ICD-10 · PDGM grouping
T45 Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified
All 270 codes in the T45 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
270
Can lead a claim
180
Cannot lead a claim
90
What CMS assigns to T45
180 of the 270 codes group to MMTA - Other; 90 are assigned no clinical group. None of the 270 is assigned a comorbidity subgroup. 180 of the 270 can lead a claim.
Every code in T45
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| T45.0 Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs | ||||
| T45.0X Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs | ||||
| T45.0X1 Poisoning by antiallergic and antiemetic drugs, accidental (unintentional) | ||||
| T45.0X1A | Poisoning by antiallergic and antiemetic drugs, accidental (unintentional), initial encounterCMS: Poisoning by antiallerg/antiemetic, accidental, init | Can lead a claim | A | None |
| T45.0X1D | Poisoning by antiallergic and antiemetic drugs, accidental (unintentional), subsequent encounterCMS: Poisoning by antiallerg/antiemetic, accidental, subs | Can lead a claim | A | None |
| T45.0X1S | Poisoning by antiallergic and antiemetic drugs, accidental (unintentional), sequelaCMS: Poisoning by antiallerg/antiemetic, accidental, sequela | Can lead a claim | A | None |
| T45.0X2 Poisoning by antiallergic and antiemetic drugs, intentional self-harm | ||||
| T45.0X2A | Poisoning by antiallergic and antiemetic drugs, intentional self-harm, initial encounterCMS: Poisoning by antiallerg/antiemetic, self-harm, init | Can lead a claim | A | None |
| T45.0X2D | Poisoning by antiallergic and antiemetic drugs, intentional self-harm, subsequent encounterCMS: Poisoning by antiallerg/antiemetic, self-harm, subs | Can lead a claim | A | None |
| T45.0X2S | Poisoning by antiallergic and antiemetic drugs, intentional self-harm, sequelaCMS: Poisoning by antiallerg/antiemetic, self-harm, sequela | Can lead a claim | A | None |
| T45.0X3 Poisoning by antiallergic and antiemetic drugs, assault | ||||
| T45.0X3A | Poisoning by antiallergic and antiemetic drugs, assault, initial encounterCMS: Poisoning by antiallerg/antiemetic, assault, init | Can lead a claim | A | None |
| T45.0X3D | Poisoning by antiallergic and antiemetic drugs, assault, subsequent encounterCMS: Poisoning by antiallerg/antiemetic, assault, subs | Can lead a claim | A | None |
| T45.0X3S | Poisoning by antiallergic and antiemetic drugs, assault, sequelaCMS: Poisoning by antiallerg/antiemetic, assault, sequela | Can lead a claim | A | None |
| T45.0X4 Poisoning by antiallergic and antiemetic drugs, undetermined | ||||
| T45.0X4A | Poisoning by antiallergic and antiemetic drugs, undetermined, initial encounterCMS: Poisoning by antiallerg/antiemetic, undetermined, init | Can lead a claim | A | None |
| T45.0X4D | Poisoning by antiallergic and antiemetic drugs, undetermined, subsequent encounterCMS: Poisoning by antiallerg/antiemetic, undetermined, subs | Can lead a claim | A | None |
| T45.0X4S | Poisoning by antiallergic and antiemetic drugs, undetermined, sequelaCMS: Poisoning by antiallerg/antiemetic, undetermined, sequela | Can lead a claim | A | None |
| T45.0X5 Adverse effect of antiallergic and antiemetic drugs | ||||
| T45.0X5A | Adverse effect of antiallergic and antiemetic drugs, initial encounterCMS: Adverse effect of antiallergic and antiemetic drugs, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.0X5D | Adverse effect of antiallergic and antiemetic drugs, subsequent encounterCMS: Adverse effect of antiallergic and antiemetic drugs, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.0X5S | Adverse effect of antiallergic and antiemetic drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.0X6 Underdosing of antiallergic and antiemetic drugs | ||||
| T45.0X6A | Underdosing of antiallergic and antiemetic drugs, initial encounterCMS: Underdosing of antiallergic and antiemetic drugs, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.0X6D | Underdosing of antiallergic and antiemetic drugs, subsequent encounterCMS: Underdosing of antiallergic and antiemetic drugs, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.0X6S | Underdosing of antiallergic and antiemetic drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.1 Poisoning by, adverse effect of and underdosing of antineoplastic and immunosuppressive drugs | ||||
| T45.1X Poisoning by, adverse effect of and underdosing of antineoplastic and immunosuppressive drugs | ||||
| T45.1X1 Poisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional) | ||||
| T45.1X1A | Poisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), initial encounterCMS: Poisoning by antineopl and immunosup drugs, acc, init | Can lead a claim | A | None |
| T45.1X1D | Poisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), subsequent encounterCMS: Poisoning by antineopl and immunosup drugs, acc, subs | Can lead a claim | A | None |
| T45.1X1S | Poisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), sequelaCMS: Poisoning by antineopl and immunosup drugs, acc, sequela | Can lead a claim | A | None |
| T45.1X2 Poisoning by antineoplastic and immunosuppressive drugs, intentional self-harm | ||||
| T45.1X2A | Poisoning by antineoplastic and immunosuppressive drugs, intentional self-harm, initial encounterCMS: Poisoning by antineopl and immunosup drugs, self-harm, init | Can lead a claim | A | None |
| T45.1X2D | Poisoning by antineoplastic and immunosuppressive drugs, intentional self-harm, subsequent encounterCMS: Poisoning by antineopl and immunosup drugs, self-harm, subs | Can lead a claim | A | None |
| T45.1X2S | Poisoning by antineoplastic and immunosuppressive drugs, intentional self-harm, sequelaCMS: Poisn by antineopl and immunosup drugs, self-harm, sequela | Can lead a claim | A | None |
| T45.1X3 Poisoning by antineoplastic and immunosuppressive drugs, assault | ||||
| T45.1X3A | Poisoning by antineoplastic and immunosuppressive drugs, assault, initial encounterCMS: Poisoning by antineopl and immunosup drugs, assault, init | Can lead a claim | A | None |
| T45.1X3D | Poisoning by antineoplastic and immunosuppressive drugs, assault, subsequent encounterCMS: Poisoning by antineopl and immunosup drugs, assault, subs | Can lead a claim | A | None |
| T45.1X3S | Poisoning by antineoplastic and immunosuppressive drugs, assault, sequelaCMS: Poisoning by antineopl and immunosup drugs, assault, sequela | Can lead a claim | A | None |
| T45.1X4 Poisoning by antineoplastic and immunosuppressive drugs, undetermined | ||||
| T45.1X4A | Poisoning by antineoplastic and immunosuppressive drugs, undetermined, initial encounterCMS: Poisoning by antineopl and immunosup drugs, undet, init | Can lead a claim | A | None |
| T45.1X4D | Poisoning by antineoplastic and immunosuppressive drugs, undetermined, subsequent encounterCMS: Poisoning by antineopl and immunosup drugs, undet, subs | Can lead a claim | A | None |
| T45.1X4S | Poisoning by antineoplastic and immunosuppressive drugs, undetermined, sequelaCMS: Poisoning by antineopl and immunosup drugs, undet, sequela | Can lead a claim | A | None |
| T45.1X5 Adverse effect of antineoplastic and immunosuppressive drugs | ||||
| T45.1X5A | Adverse effect of antineoplastic and immunosuppressive drugs, initial encounterCMS: Adverse effect of antineoplastic and immunosup drugs, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.1X5D | Adverse effect of antineoplastic and immunosuppressive drugs, subsequent encounterCMS: Adverse effect of antineoplastic and immunosup drugs, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.1X5S | Adverse effect of antineoplastic and immunosuppressive drugs, sequelaCMS: Adverse effect of antineopl and immunosup drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.1X6 Underdosing of antineoplastic and immunosuppressive drugs | ||||
| T45.1X6A | Underdosing of antineoplastic and immunosuppressive drugs, initial encounterCMS: Underdosing of antineoplastic and immunosup drugs, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.1X6D | Underdosing of antineoplastic and immunosuppressive drugs, subsequent encounterCMS: Underdosing of antineoplastic and immunosup drugs, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.1X6S | Underdosing of antineoplastic and immunosuppressive drugs, sequelaCMS: Underdosing of antineoplastic and immunosup drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.2 Poisoning by, adverse effect of and underdosing of vitamins | ||||
| T45.2X Poisoning by, adverse effect of and underdosing of vitamins | ||||
| T45.2X1 Poisoning by vitamins, accidental (unintentional) | ||||
| T45.2X1A | Poisoning by vitamins, accidental (unintentional), initial encounterCMS: Poisoning by vitamins, accidental (unintentional), init | Can lead a claim | A | None |
| T45.2X1D | Poisoning by vitamins, accidental (unintentional), subsequent encounterCMS: Poisoning by vitamins, accidental (unintentional), subs | Can lead a claim | A | None |
| T45.2X1S | Poisoning by vitamins, accidental (unintentional), sequela | Can lead a claim | A | None |
| T45.2X2 Poisoning by vitamins, intentional self-harm | ||||
| T45.2X2A | Poisoning by vitamins, intentional self-harm, initial encounterCMS: Poisoning by vitamins, intentional self-harm, init encntr | Can lead a claim | A | None |
| T45.2X2D | Poisoning by vitamins, intentional self-harm, subsequent encounterCMS: Poisoning by vitamins, intentional self-harm, subs encntr | Can lead a claim | A | None |
| T45.2X2S | Poisoning by vitamins, intentional self-harm, sequela | Can lead a claim | A | None |
| T45.2X3 Poisoning by vitamins, assault | ||||
| T45.2X3A | Poisoning by vitamins, assault, initial encounter | Can lead a claim | A | None |
| T45.2X3D | Poisoning by vitamins, assault, subsequent encounter | Can lead a claim | A | None |
| T45.2X3S | Poisoning by vitamins, assault, sequela | Can lead a claim | A | None |
| T45.2X4 Poisoning by vitamins, undetermined | ||||
| T45.2X4A | Poisoning by vitamins, undetermined, initial encounter | Can lead a claim | A | None |
| T45.2X4D | Poisoning by vitamins, undetermined, subsequent encounter | Can lead a claim | A | None |
| T45.2X4S | Poisoning by vitamins, undetermined, sequela | Can lead a claim | A | None |
| T45.2X5 Adverse effect of vitamins | ||||
| T45.2X5A | Adverse effect of vitamins, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.2X5D | Adverse effect of vitamins, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.2X5S | Adverse effect of vitamins, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.2X6 Underdosing of vitamins | ||||
| T45.2X6A | Underdosing of vitamins, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.2X6D | Underdosing of vitamins, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.2X6S | Underdosing of vitamins, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.3 Poisoning by, adverse effect of and underdosing of enzymes | ||||
| T45.3X Poisoning by, adverse effect of and underdosing of enzymes | ||||
| T45.3X1 Poisoning by enzymes, accidental (unintentional) | ||||
| T45.3X1A | Poisoning by enzymes, accidental (unintentional), initial encounterCMS: Poisoning by enzymes, accidental (unintentional), init | Can lead a claim | A | None |
| T45.3X1D | Poisoning by enzymes, accidental (unintentional), subsequent encounterCMS: Poisoning by enzymes, accidental (unintentional), subs | Can lead a claim | A | None |
| T45.3X1S | Poisoning by enzymes, accidental (unintentional), sequela | Can lead a claim | A | None |
| T45.3X2 Poisoning by enzymes, intentional self-harm | ||||
| T45.3X2A | Poisoning by enzymes, intentional self-harm, initial encounterCMS: Poisoning by enzymes, intentional self-harm, init encntr | Can lead a claim | A | None |
| T45.3X2D | Poisoning by enzymes, intentional self-harm, subsequent encounterCMS: Poisoning by enzymes, intentional self-harm, subs encntr | Can lead a claim | A | None |
| T45.3X2S | Poisoning by enzymes, intentional self-harm, sequela | Can lead a claim | A | None |
| T45.3X3 Poisoning by enzymes, assault | ||||
| T45.3X3A | Poisoning by enzymes, assault, initial encounter | Can lead a claim | A | None |
| T45.3X3D | Poisoning by enzymes, assault, subsequent encounter | Can lead a claim | A | None |
| T45.3X3S | Poisoning by enzymes, assault, sequela | Can lead a claim | A | None |
| T45.3X4 Poisoning by enzymes, undetermined | ||||
| T45.3X4A | Poisoning by enzymes, undetermined, initial encounter | Can lead a claim | A | None |
| T45.3X4D | Poisoning by enzymes, undetermined, subsequent encounter | Can lead a claim | A | None |
| T45.3X4S | Poisoning by enzymes, undetermined, sequela | Can lead a claim | A | None |
| T45.3X5 Adverse effect of enzymes | ||||
| T45.3X5A | Adverse effect of enzymes, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.3X5D | Adverse effect of enzymes, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.3X5S | Adverse effect of enzymes, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.3X6 Underdosing of enzymes | ||||
| T45.3X6A | Underdosing of enzymes, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.3X6D | Underdosing of enzymes, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.3X6S | Underdosing of enzymes, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.4 Poisoning by, adverse effect of and underdosing of iron and its compounds | ||||
| T45.4X Poisoning by, adverse effect of and underdosing of iron and its compounds | ||||
| T45.4X1 Poisoning by iron and its compounds, accidental (unintentional) | ||||
| T45.4X1A | Poisoning by iron and its compounds, accidental (unintentional), initial encounterCMS: Poisoning by iron and its compounds, accidental, init | Can lead a claim | A | None |
| T45.4X1D | Poisoning by iron and its compounds, accidental (unintentional), subsequent encounterCMS: Poisoning by iron and its compounds, accidental, subs | Can lead a claim | A | None |
| T45.4X1S | Poisoning by iron and its compounds, accidental (unintentional), sequelaCMS: Poisoning by iron and its compounds, accidental, sequela | Can lead a claim | A | None |
| T45.4X2 Poisoning by iron and its compounds, intentional self-harm | ||||
| T45.4X2A | Poisoning by iron and its compounds, intentional self-harm, initial encounterCMS: Poisoning by iron and its compounds, self-harm, init | Can lead a claim | A | None |
| T45.4X2D | Poisoning by iron and its compounds, intentional self-harm, subsequent encounterCMS: Poisoning by iron and its compounds, self-harm, subs | Can lead a claim | A | None |
| T45.4X2S | Poisoning by iron and its compounds, intentional self-harm, sequelaCMS: Poisoning by iron and its compounds, self-harm, sequela | Can lead a claim | A | None |
| T45.4X3 Poisoning by iron and its compounds, assault | ||||
| T45.4X3A | Poisoning by iron and its compounds, assault, initial encounterCMS: Poisoning by iron and its compounds, assault, init encntr | Can lead a claim | A | None |
| T45.4X3D | Poisoning by iron and its compounds, assault, subsequent encounterCMS: Poisoning by iron and its compounds, assault, subs encntr | Can lead a claim | A | None |
| T45.4X3S | Poisoning by iron and its compounds, assault, sequela | Can lead a claim | A | None |
| T45.4X4 Poisoning by iron and its compounds, undetermined | ||||
| T45.4X4A | Poisoning by iron and its compounds, undetermined, initial encounterCMS: Poisoning by iron and its compounds, undetermined, init | Can lead a claim | A | None |
| T45.4X4D | Poisoning by iron and its compounds, undetermined, subsequent encounterCMS: Poisoning by iron and its compounds, undetermined, subs | Can lead a claim | A | None |
| T45.4X4S | Poisoning by iron and its compounds, undetermined, sequela | Can lead a claim | A | None |
| T45.4X5 Adverse effect of iron and its compounds | ||||
| T45.4X5A | Adverse effect of iron and its compounds, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.4X5D | Adverse effect of iron and its compounds, subsequent encounterCMS: Adverse effect of iron and its compounds, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.4X5S | Adverse effect of iron and its compounds, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.4X6 Underdosing of iron and its compounds | ||||
| T45.4X6A | Underdosing of iron and its compounds, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.4X6D | Underdosing of iron and its compounds, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.4X6S | Underdosing of iron and its compounds, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.5 Poisoning by, adverse effect of and underdosing of anticoagulants and antithrombotic drugs | ||||
| T45.51 Poisoning by, adverse effect of and underdosing of anticoagulants | ||||
| T45.511 Poisoning by anticoagulants, accidental (unintentional) | ||||
| T45.511A | Poisoning by anticoagulants, accidental (unintentional), initial encounterCMS: Poisoning by anticoagulants, accidental, init | Can lead a claim | A | None |
| T45.511D | Poisoning by anticoagulants, accidental (unintentional), subsequent encounterCMS: Poisoning by anticoagulants, accidental, subs | Can lead a claim | A | None |
| T45.511S | Poisoning by anticoagulants, accidental (unintentional), sequelaCMS: Poisoning by anticoagulants, accidental, sequela | Can lead a claim | A | None |
| T45.512 Poisoning by anticoagulants, intentional self-harm | ||||
| T45.512A | Poisoning by anticoagulants, intentional self-harm, initial encounterCMS: Poisoning by anticoagulants, intentional self-harm, init | Can lead a claim | A | None |
| T45.512D | Poisoning by anticoagulants, intentional self-harm, subsequent encounterCMS: Poisoning by anticoagulants, intentional self-harm, subs | Can lead a claim | A | None |
| T45.512S | Poisoning by anticoagulants, intentional self-harm, sequela | Can lead a claim | A | None |
| T45.513 Poisoning by anticoagulants, assault | ||||
| T45.513A | Poisoning by anticoagulants, assault, initial encounter | Can lead a claim | A | None |
| T45.513D | Poisoning by anticoagulants, assault, subsequent encounter | Can lead a claim | A | None |
| T45.513S | Poisoning by anticoagulants, assault, sequela | Can lead a claim | A | None |
| T45.514 Poisoning by anticoagulants, undetermined | ||||
| T45.514A | Poisoning by anticoagulants, undetermined, initial encounter | Can lead a claim | A | None |
| T45.514D | Poisoning by anticoagulants, undetermined, subsequent encounterCMS: Poisoning by anticoagulants, undetermined, subs encntr | Can lead a claim | A | None |
| T45.514S | Poisoning by anticoagulants, undetermined, sequela | Can lead a claim | A | None |
| T45.515 Adverse effect of anticoagulants | ||||
| T45.515A | Adverse effect of anticoagulants, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.515D | Adverse effect of anticoagulants, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.515S | Adverse effect of anticoagulants, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.516 Underdosing of anticoagulants | ||||
| T45.516A | Underdosing of anticoagulants, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.516D | Underdosing of anticoagulants, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.516S | Underdosing of anticoagulants, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.52 Poisoning by, adverse effect of and underdosing of antithrombotic drugs | ||||
| T45.521 Poisoning by antithrombotic drugs, accidental (unintentional) | ||||
| T45.521A | Poisoning by antithrombotic drugs, accidental (unintentional), initial encounterCMS: Poisoning by antithrombotic drugs, accidental, init | Can lead a claim | A | None |
| T45.521D | Poisoning by antithrombotic drugs, accidental (unintentional), subsequent encounterCMS: Poisoning by antithrombotic drugs, accidental, subs | Can lead a claim | A | None |
| T45.521S | Poisoning by antithrombotic drugs, accidental (unintentional), sequelaCMS: Poisoning by antithrombotic drugs, accidental, sequela | Can lead a claim | A | None |
| T45.522 Poisoning by antithrombotic drugs, intentional self-harm | ||||
| T45.522A | Poisoning by antithrombotic drugs, intentional self-harm, initial encounterCMS: Poisoning by antithrombotic drugs, self-harm, init | Can lead a claim | A | None |
| T45.522D | Poisoning by antithrombotic drugs, intentional self-harm, subsequent encounterCMS: Poisoning by antithrombotic drugs, self-harm, subs | Can lead a claim | A | None |
| T45.522S | Poisoning by antithrombotic drugs, intentional self-harm, sequelaCMS: Poisoning by antithrombotic drugs, self-harm, sequela | Can lead a claim | A | None |
| T45.523 Poisoning by antithrombotic drugs, assault | ||||
| T45.523A | Poisoning by antithrombotic drugs, assault, initial encounterCMS: Poisoning by antithrombotic drugs, assault, init encntr | Can lead a claim | A | None |
| T45.523D | Poisoning by antithrombotic drugs, assault, subsequent encounterCMS: Poisoning by antithrombotic drugs, assault, subs encntr | Can lead a claim | A | None |
| T45.523S | Poisoning by antithrombotic drugs, assault, sequela | Can lead a claim | A | None |
| T45.524 Poisoning by antithrombotic drugs, undetermined | ||||
| T45.524A | Poisoning by antithrombotic drugs, undetermined, initial encounterCMS: Poisoning by antithrombotic drugs, undetermined, init encntr | Can lead a claim | A | None |
| T45.524D | Poisoning by antithrombotic drugs, undetermined, subsequent encounterCMS: Poisoning by antithrombotic drugs, undetermined, subs encntr | Can lead a claim | A | None |
| T45.524S | Poisoning by antithrombotic drugs, undetermined, sequela | Can lead a claim | A | None |
| T45.525 Adverse effect of antithrombotic drugs | ||||
| T45.525A | Adverse effect of antithrombotic drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.525D | Adverse effect of antithrombotic drugs, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.525S | Adverse effect of antithrombotic drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.526 Underdosing of antithrombotic drugs | ||||
| T45.526A | Underdosing of antithrombotic drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.526D | Underdosing of antithrombotic drugs, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.526S | Underdosing of antithrombotic drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.6 Poisoning by, adverse effect of and underdosing of fibrinolysis-affecting drugs | ||||
| T45.60 Poisoning by, adverse effect of and underdosing of unspecified fibrinolysis-affecting drugs | ||||
| T45.601 Poisoning by unspecified fibrinolysis-affecting drugs, accidental (unintentional) | ||||
| T45.601A | Poisoning by unspecified fibrinolysis-affecting drugs, accidental (unintentional), initial encounterCMS: Poisoning by unsp fibrin-affct drugs, accidental, init | Can lead a claim | A | None |
| T45.601D | Poisoning by unspecified fibrinolysis-affecting drugs, accidental (unintentional), subsequent encounterCMS: Poisoning by unsp fibrin-affct drugs, accidental, subs | Can lead a claim | A | None |
| T45.601S | Poisoning by unspecified fibrinolysis-affecting drugs, accidental (unintentional), sequelaCMS: Poisoning by unsp fibrin-affct drugs, accidental, sequela | Can lead a claim | A | None |
| T45.602 Poisoning by unspecified fibrinolysis-affecting drugs, intentional self-harm | ||||
| T45.602A | Poisoning by unspecified fibrinolysis-affecting drugs, intentional self-harm, initial encounterCMS: Poisoning by unsp fibrin-affct drugs, self-harm, init | Can lead a claim | A | None |
| T45.602D | Poisoning by unspecified fibrinolysis-affecting drugs, intentional self-harm, subsequent encounterCMS: Poisoning by unsp fibrin-affct drugs, self-harm, subs | Can lead a claim | A | None |
| T45.602S | Poisoning by unspecified fibrinolysis-affecting drugs, intentional self-harm, sequelaCMS: Poisoning by unsp fibrin-affct drugs, self-harm, sequela | Can lead a claim | A | None |
| T45.603 Poisoning by unspecified fibrinolysis-affecting drugs, assault | ||||
| T45.603A | Poisoning by unspecified fibrinolysis-affecting drugs, assault, initial encounterCMS: Poisoning by unsp fibrin-affct drugs, assault, init | Can lead a claim | A | None |
| T45.603D | Poisoning by unspecified fibrinolysis-affecting drugs, assault, subsequent encounterCMS: Poisoning by unsp fibrin-affct drugs, assault, subs | Can lead a claim | A | None |
| T45.603S | Poisoning by unspecified fibrinolysis-affecting drugs, assault, sequelaCMS: Poisoning by unsp fibrin-affct drugs, assault, sequela | Can lead a claim | A | None |
| T45.604 Poisoning by unspecified fibrinolysis-affecting drugs, undetermined | ||||
| T45.604A | Poisoning by unspecified fibrinolysis-affecting drugs, undetermined, initial encounterCMS: Poisoning by unsp fibrin-affct drugs, undetermined, init | Can lead a claim | A | None |
| T45.604D | Poisoning by unspecified fibrinolysis-affecting drugs, undetermined, subsequent encounterCMS: Poisoning by unsp fibrin-affct drugs, undetermined, subs | Can lead a claim | A | None |
| T45.604S | Poisoning by unspecified fibrinolysis-affecting drugs, undetermined, sequelaCMS: Poisoning by unsp fibrin-affct drugs, undetermined, sequela | Can lead a claim | A | None |
| T45.605 Adverse effect of unspecified fibrinolysis-affecting drugs | ||||
| T45.605A | Adverse effect of unspecified fibrinolysis-affecting drugs, initial encounterCMS: Adverse effect of unsp fibrinolysis-affecting drugs, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.605D | Adverse effect of unspecified fibrinolysis-affecting drugs, subsequent encounterCMS: Adverse effect of unsp fibrinolysis-affecting drugs, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.605S | Adverse effect of unspecified fibrinolysis-affecting drugs, sequelaCMS: Adverse effect of unsp fibrinolysis-affecting drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.606 Underdosing of unspecified fibrinolysis-affecting drugs | ||||
| T45.606A | Underdosing of unspecified fibrinolysis-affecting drugs, initial encounterCMS: Underdosing of unsp fibrinolysis-affecting drugs, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.606D | Underdosing of unspecified fibrinolysis-affecting drugs, subsequent encounterCMS: Underdosing of unsp fibrinolysis-affecting drugs, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.606S | Underdosing of unspecified fibrinolysis-affecting drugs, sequelaCMS: Underdosing of unsp fibrinolysis-affecting drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.61 Poisoning by, adverse effect of and underdosing of thrombolytic drugs | ||||
| T45.611 Poisoning by thrombolytic drug, accidental (unintentional) | ||||
| T45.611A | Poisoning by thrombolytic drug, accidental (unintentional), initial encounterCMS: Poisoning by thrombolytic drug, accidental, init | Can lead a claim | A | None |
| T45.611D | Poisoning by thrombolytic drug, accidental (unintentional), subsequent encounterCMS: Poisoning by thrombolytic drug, accidental, subs | Can lead a claim | A | None |
| T45.611S | Poisoning by thrombolytic drug, accidental (unintentional), sequelaCMS: Poisoning by thrombolytic drug, accidental, sequela | Can lead a claim | A | None |
| T45.612 Poisoning by thrombolytic drug, intentional self-harm | ||||
| T45.612A | Poisoning by thrombolytic drug, intentional self-harm, initial encounterCMS: Poisoning by thrombolytic drug, intentional self-harm, init | Can lead a claim | A | None |
| T45.612D | Poisoning by thrombolytic drug, intentional self-harm, subsequent encounterCMS: Poisoning by thrombolytic drug, intentional self-harm, subs | Can lead a claim | A | None |
| T45.612S | Poisoning by thrombolytic drug, intentional self-harm, sequelaCMS: Poisoning by thrombolytic drug, self-harm, sequela | Can lead a claim | A | None |
| T45.613 Poisoning by thrombolytic drug, assault | ||||
| T45.613A | Poisoning by thrombolytic drug, assault, initial encounter | Can lead a claim | A | None |
| T45.613D | Poisoning by thrombolytic drug, assault, subsequent encounterCMS: Poisoning by thrombolytic drug, assault, subs encntr | Can lead a claim | A | None |
| T45.613S | Poisoning by thrombolytic drug, assault, sequela | Can lead a claim | A | None |
| T45.614 Poisoning by thrombolytic drug, undetermined | ||||
| T45.614A | Poisoning by thrombolytic drug, undetermined, initial encounterCMS: Poisoning by thrombolytic drug, undetermined, init encntr | Can lead a claim | A | None |
| T45.614D | Poisoning by thrombolytic drug, undetermined, subsequent encounterCMS: Poisoning by thrombolytic drug, undetermined, subs encntr | Can lead a claim | A | None |
| T45.614S | Poisoning by thrombolytic drug, undetermined, sequela | Can lead a claim | A | None |
| T45.615 Adverse effect of thrombolytic drugs | ||||
| T45.615A | Adverse effect of thrombolytic drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.615D | Adverse effect of thrombolytic drugs, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.615S | Adverse effect of thrombolytic drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.616 Underdosing of thrombolytic drugs | ||||
| T45.616A | Underdosing of thrombolytic drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.616D | Underdosing of thrombolytic drugs, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.616S | Underdosing of thrombolytic drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.62 Poisoning by, adverse effect of and underdosing of hemostatic drugs | ||||
| T45.621 Poisoning by hemostatic drug, accidental (unintentional) | ||||
| T45.621A | Poisoning by hemostatic drug, accidental (unintentional), initial encounterCMS: Poisoning by hemostatic drug, accidental, init | Can lead a claim | A | None |
| T45.621D | Poisoning by hemostatic drug, accidental (unintentional), subsequent encounterCMS: Poisoning by hemostatic drug, accidental, subs | Can lead a claim | A | None |
| T45.621S | Poisoning by hemostatic drug, accidental (unintentional), sequelaCMS: Poisoning by hemostatic drug, accidental, sequela | Can lead a claim | A | None |
| T45.622 Poisoning by hemostatic drug, intentional self-harm | ||||
| T45.622A | Poisoning by hemostatic drug, intentional self-harm, initial encounterCMS: Poisoning by hemostatic drug, intentional self-harm, init | Can lead a claim | A | None |
| T45.622D | Poisoning by hemostatic drug, intentional self-harm, subsequent encounterCMS: Poisoning by hemostatic drug, intentional self-harm, subs | Can lead a claim | A | None |
| T45.622S | Poisoning by hemostatic drug, intentional self-harm, sequela | Can lead a claim | A | None |
| T45.623 Poisoning by hemostatic drug, assault | ||||
| T45.623A | Poisoning by hemostatic drug, assault, initial encounter | Can lead a claim | A | None |
| T45.623D | Poisoning by hemostatic drug, assault, subsequent encounter | Can lead a claim | A | None |
| T45.623S | Poisoning by hemostatic drug, assault, sequela | Can lead a claim | A | None |
| T45.624 Poisoning by hemostatic drug, undetermined | ||||
| T45.624A | Poisoning by hemostatic drug, undetermined, initial encounterCMS: Poisoning by hemostatic drug, undetermined, init encntr | Can lead a claim | A | None |
| T45.624D | Poisoning by hemostatic drug, undetermined, subsequent encounterCMS: Poisoning by hemostatic drug, undetermined, subs encntr | Can lead a claim | A | None |
| T45.624S | Poisoning by hemostatic drug, undetermined, sequela | Can lead a claim | A | None |
| T45.625 Adverse effect of hemostatic drug | ||||
| T45.625A | Adverse effect of hemostatic drug, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.625D | Adverse effect of hemostatic drug, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.625S | Adverse effect of hemostatic drug, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.626 Underdosing of hemostatic drugs | ||||
| T45.626A | Underdosing of hemostatic drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.626D | Underdosing of hemostatic drugs, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.626S | Underdosing of hemostatic drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.69 Poisoning by, adverse effect of and underdosing of other fibrinolysis-affecting drugs | ||||
| T45.691 Poisoning by other fibrinolysis-affecting drugs, accidental (unintentional) | ||||
| T45.691A | Poisoning by other fibrinolysis-affecting drugs, accidental (unintentional), initial encounterCMS: Poisoning by oth fibrin-affct drugs, accidental, init | Can lead a claim | A | None |
| T45.691D | Poisoning by other fibrinolysis-affecting drugs, accidental (unintentional), subsequent encounterCMS: Poisoning by oth fibrin-affct drugs, accidental, subs | Can lead a claim | A | None |
| T45.691S | Poisoning by other fibrinolysis-affecting drugs, accidental (unintentional), sequelaCMS: Poisoning by oth fibrin-affct drugs, accidental, sequela | Can lead a claim | A | None |
| T45.692 Poisoning by other fibrinolysis-affecting drugs, intentional self-harm | ||||
| T45.692A | Poisoning by other fibrinolysis-affecting drugs, intentional self-harm, initial encounterCMS: Poisoning by oth fibrin-affct drugs, self-harm, init | Can lead a claim | A | None |
| T45.692D | Poisoning by other fibrinolysis-affecting drugs, intentional self-harm, subsequent encounterCMS: Poisoning by oth fibrin-affct drugs, self-harm, subs | Can lead a claim | A | None |
| T45.692S | Poisoning by other fibrinolysis-affecting drugs, intentional self-harm, sequelaCMS: Poisoning by oth fibrin-affct drugs, self-harm, sequela | Can lead a claim | A | None |
| T45.693 Poisoning by other fibrinolysis-affecting drugs, assault | ||||
| T45.693A | Poisoning by other fibrinolysis-affecting drugs, assault, initial encounterCMS: Poisoning by oth fibrinolysis-affecting drugs, assault, init | Can lead a claim | A | None |
| T45.693D | Poisoning by other fibrinolysis-affecting drugs, assault, subsequent encounterCMS: Poisoning by oth fibrinolysis-affecting drugs, assault, subs | Can lead a claim | A | None |
| T45.693S | Poisoning by other fibrinolysis-affecting drugs, assault, sequelaCMS: Poisoning by oth fibrin-affct drugs, assault, sequela | Can lead a claim | A | None |
| T45.694 Poisoning by other fibrinolysis-affecting drugs, undetermined | ||||
| T45.694A | Poisoning by other fibrinolysis-affecting drugs, undetermined, initial encounterCMS: Poisoning by oth fibrin-affct drugs, undetermined, init | Can lead a claim | A | None |
| T45.694D | Poisoning by other fibrinolysis-affecting drugs, undetermined, subsequent encounterCMS: Poisoning by oth fibrin-affct drugs, undetermined, subs | Can lead a claim | A | None |
| T45.694S | Poisoning by other fibrinolysis-affecting drugs, undetermined, sequelaCMS: Poisoning by oth fibrin-affct drugs, undetermined, sequela | Can lead a claim | A | None |
| T45.695 Adverse effect of other fibrinolysis-affecting drugs | ||||
| T45.695A | Adverse effect of other fibrinolysis-affecting drugs, initial encounterCMS: Adverse effect of oth fibrinolysis-affecting drugs, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.695D | Adverse effect of other fibrinolysis-affecting drugs, subsequent encounterCMS: Adverse effect of oth fibrinolysis-affecting drugs, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.695S | Adverse effect of other fibrinolysis-affecting drugs, sequelaCMS: Adverse effect of oth fibrinolysis-affecting drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.696 Underdosing of other fibrinolysis-affecting drugs | ||||
| T45.696A | Underdosing of other fibrinolysis-affecting drugs, initial encounterCMS: Underdosing of oth fibrinolysis-affecting drugs, init encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.696D | Underdosing of other fibrinolysis-affecting drugs, subsequent encounterCMS: Underdosing of oth fibrinolysis-affecting drugs, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.696S | Underdosing of other fibrinolysis-affecting drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.7 Poisoning by, adverse effect of and underdosing of anticoagulant antagonists, vitamin K and other coagulants | ||||
| T45.7X Poisoning by, adverse effect of and underdosing of anticoagulant antagonists, vitamin K and other coagulants | ||||
| T45.7X1 Poisoning by anticoagulant antagonists, vitamin K and other coagulants, accidental (unintentional) | ||||
| T45.7X1A | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, accidental (unintentional), initial encounterCMS: Poisn by anticoag antag, vitamin K and oth coag, acc, init | Can lead a claim | A | None |
| T45.7X1D | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, accidental (unintentional), subsequent encounterCMS: Poisn by anticoag antag, vitamin K and oth coag, acc, subs | Can lead a claim | A | None |
| T45.7X1S | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, accidental (unintentional), sequelaCMS: Poisn by anticoag antag, vit K and oth coag, acc, sequela | Can lead a claim | A | None |
| T45.7X2 Poisoning by anticoagulant antagonists, vitamin K and other coagulants, intentional self-harm | ||||
| T45.7X2A | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, intentional self-harm, initial encounterCMS: Poisn by anticoag antag, vit K and oth coag, slf-hrm, init | Can lead a claim | A | None |
| T45.7X2D | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, intentional self-harm, subsequent encounterCMS: Poisn by anticoag antag, vit K and oth coag, slf-hrm, subs | Can lead a claim | A | None |
| T45.7X2S | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, intentional self-harm, sequelaCMS: Poisn by anticoag antag, vit K and oth coag, slf-hrm, sqla | Can lead a claim | A | None |
| T45.7X3 Poisoning by anticoagulant antagonists, vitamin K and other coagulants, assault | ||||
| T45.7X3A | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, assault, initial encounterCMS: Poisn by anticoag antag, vit K and oth coag, assault, init | Can lead a claim | A | None |
| T45.7X3D | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, assault, subsequent encounterCMS: Poisn by anticoag antag, vit K and oth coag, assault, subs | Can lead a claim | A | None |
| T45.7X3S | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, assault, sequelaCMS: Poisn by anticoag antag, vit K and oth coag, asslt, sequela | Can lead a claim | A | None |
| T45.7X4 Poisoning by anticoagulant antagonists, vitamin K and other coagulants, undetermined | ||||
| T45.7X4A | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, undetermined, initial encounterCMS: Poisn by anticoag antag, vitamin K and oth coag, undet, init | Can lead a claim | A | None |
| T45.7X4D | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, undetermined, subsequent encounterCMS: Poisn by anticoag antag, vitamin K and oth coag, undet, subs | Can lead a claim | A | None |
| T45.7X4S | Poisoning by anticoagulant antagonists, vitamin K and other coagulants, undetermined, sequelaCMS: Poisn by anticoag antag, vit K and oth coag, undet, sequela | Can lead a claim | A | None |
| T45.7X5 Adverse effect of anticoagulant antagonists, vitamin K and other coagulants | ||||
| T45.7X5A | Adverse effect of anticoagulant antagonists, vitamin K and other coagulants, initial encounterCMS: Adverse effect of anticoag antag, vit K and oth coag, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.7X5D | Adverse effect of anticoagulant antagonists, vitamin K and other coagulants, subsequent encounterCMS: Adverse effect of anticoag antag, vit K and oth coag, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.7X5S | Adverse effect of anticoagulant antagonists, vitamin K and other coagulants, sequelaCMS: Advrs effect of anticoag antag, vit K and oth coag, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.7X6 Underdosing of anticoagulant antagonist, vitamin K and other coagulants | ||||
| T45.7X6A | Underdosing of anticoagulant antagonist, vitamin K and other coagulants, initial encounterCMS: Undrdose of anticoag antagonist, vit K and oth coag, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.7X6D | Underdosing of anticoagulant antagonist, vitamin K and other coagulants, subsequent encounterCMS: Undrdose of anticoag antagonist, vit K and oth coag, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.7X6S | Underdosing of anticoagulant antagonist, vitamin K and other coagulants, sequelaCMS: Undrdose of anticoag antagonist, vit K and oth coag, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.8 Poisoning by, adverse effect of and underdosing of other primarily systemic and hematological agents | ||||
| T45.8X Poisoning by, adverse effect of and underdosing of other primarily systemic and hematological agents | ||||
| T45.8X1 Poisoning by other primarily systemic and hematological agents, accidental (unintentional) | ||||
| T45.8X1A | Poisoning by other primarily systemic and hematological agents, accidental (unintentional), initial encounterCMS: Poisn by oth prim systemic and hematolog agents, acc, init | Can lead a claim | A | None |
| T45.8X1D | Poisoning by other primarily systemic and hematological agents, accidental (unintentional), subsequent encounterCMS: Poisn by oth prim systemic and hematolog agents, acc, subs | Can lead a claim | A | None |
| T45.8X1S | Poisoning by other primarily systemic and hematological agents, accidental (unintentional), sequelaCMS: Poisn by oth prim sys and hematolog agents, acc, sequela | Can lead a claim | A | None |
| T45.8X2 Poisoning by other primarily systemic and hematological agents, intentional self-harm | ||||
| T45.8X2A | Poisoning by other primarily systemic and hematological agents, intentional self-harm, initial encounterCMS: Poisn by oth prim sys and hematolog agents, slf-hrm, init | Can lead a claim | A | None |
| T45.8X2D | Poisoning by other primarily systemic and hematological agents, intentional self-harm, subsequent encounterCMS: Poisn by oth prim sys and hematolog agents, slf-hrm, subs | Can lead a claim | A | None |
| T45.8X2S | Poisoning by other primarily systemic and hematological agents, intentional self-harm, sequelaCMS: Poisn by oth prim sys and hematolog agents, slf-hrm, sequela | Can lead a claim | A | None |
| T45.8X3 Poisoning by other primarily systemic and hematological agents, assault | ||||
| T45.8X3A | Poisoning by other primarily systemic and hematological agents, assault, initial encounterCMS: Poisn by oth prim sys and hematolog agents, assault, init | Can lead a claim | A | None |
| T45.8X3D | Poisoning by other primarily systemic and hematological agents, assault, subsequent encounterCMS: Poisn by oth prim sys and hematolog agents, assault, subs | Can lead a claim | A | None |
| T45.8X3S | Poisoning by other primarily systemic and hematological agents, assault, sequelaCMS: Poisn by oth prim sys and hematolog agents, assault, sequela | Can lead a claim | A | None |
| T45.8X4 Poisoning by other primarily systemic and hematological agents, undetermined | ||||
| T45.8X4A | Poisoning by other primarily systemic and hematological agents, undetermined, initial encounterCMS: Poisn by oth prim systemic and hematolog agents, undet, init | Can lead a claim | A | None |
| T45.8X4D | Poisoning by other primarily systemic and hematological agents, undetermined, subsequent encounterCMS: Poisn by oth prim systemic and hematolog agents, undet, subs | Can lead a claim | A | None |
| T45.8X4S | Poisoning by other primarily systemic and hematological agents, undetermined, sequelaCMS: Poisn by oth prim sys and hematolog agents, undet, sequela | Can lead a claim | A | None |
| T45.8X5 Adverse effect of other primarily systemic and hematological agents | ||||
| T45.8X5A | Adverse effect of other primarily systemic and hematological agents, initial encounterCMS: Adverse effect of prim systemic and hematolog agents, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.8X5D | Adverse effect of other primarily systemic and hematological agents, subsequent encounterCMS: Adverse effect of prim systemic and hematolog agents, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.8X5S | Adverse effect of other primarily systemic and hematological agents, sequelaCMS: Adverse effect of prim sys and hematolog agents, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.8X6 Underdosing of other primarily systemic and hematological agents | ||||
| T45.8X6A | Underdosing of other primarily systemic and hematological agents, initial encounterCMS: Underdosing of primarily systemic and hematolog agents, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.8X6D | Underdosing of other primarily systemic and hematological agents, subsequent encounterCMS: Underdosing of primarily systemic and hematolog agents, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.8X6S | Underdosing of other primarily systemic and hematological agents, sequelaCMS: Undrdose of primarily systemic and hematolog agents, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.9 Poisoning by, adverse effect of and underdosing of unspecified primarily systemic and hematological agent | ||||
| T45.91 Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional) | ||||
| T45.91XA | Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), initial encounterCMS: Poisn by unsp prim systemic and hematolog agent, acc, init | Can lead a claim | A | None |
| T45.91XD | Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), subsequent encounterCMS: Poisn by unsp prim systemic and hematolog agent, acc, subs | Can lead a claim | A | None |
| T45.91XS | Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), sequelaCMS: Poisn by unsp prim sys and hematolog agent, acc, sequela | Can lead a claim | A | None |
| T45.92 Poisoning by unspecified primarily systemic and hematological agent, intentional self-harm | ||||
| T45.92XA | Poisoning by unspecified primarily systemic and hematological agent, intentional self-harm, initial encounterCMS: Poisn by unsp prim sys and hematolog agent, slf-hrm, init | Can lead a claim | A | None |
| T45.92XD | Poisoning by unspecified primarily systemic and hematological agent, intentional self-harm, subsequent encounterCMS: Poisn by unsp prim sys and hematolog agent, slf-hrm, subs | Can lead a claim | A | None |
| T45.92XS | Poisoning by unspecified primarily systemic and hematological agent, intentional self-harm, sequelaCMS: Poisn by unsp prim sys and hematolog agent, slf-hrm, sequela | Can lead a claim | A | None |
| T45.93 Poisoning by unspecified primarily systemic and hematological agent, assault | ||||
| T45.93XA | Poisoning by unspecified primarily systemic and hematological agent, assault, initial encounterCMS: Poisn by unsp prim sys and hematolog agent, assault, init | Can lead a claim | A | None |
| T45.93XD | Poisoning by unspecified primarily systemic and hematological agent, assault, subsequent encounterCMS: Poisn by unsp prim sys and hematolog agent, assault, subs | Can lead a claim | A | None |
| T45.93XS | Poisoning by unspecified primarily systemic and hematological agent, assault, sequelaCMS: Poisn by unsp prim sys and hematolog agent, assault, sequela | Can lead a claim | A | None |
| T45.94 Poisoning by unspecified primarily systemic and hematological agent, undetermined | ||||
| T45.94XA | Poisoning by unspecified primarily systemic and hematological agent, undetermined, initial encounterCMS: Poisn by unsp prim systemic and hematolog agent, undet, init | Can lead a claim | A | None |
| T45.94XD | Poisoning by unspecified primarily systemic and hematological agent, undetermined, subsequent encounterCMS: Poisn by unsp prim systemic and hematolog agent, undet, subs | Can lead a claim | A | None |
| T45.94XS | Poisoning by unspecified primarily systemic and hematological agent, undetermined, sequelaCMS: Poisn by unsp prim sys and hematolog agent, undet, sequela | Can lead a claim | A | None |
| T45.95 Adverse effect of unspecified primarily systemic and hematological agent | ||||
| T45.95XA | Adverse effect of unspecified primarily systemic and hematological agent, initial encounterCMS: Adverse effect of unsp prim sys and hematolog agent, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.95XD | Adverse effect of unspecified primarily systemic and hematological agent, subsequent encounterCMS: Adverse effect of unsp prim sys and hematolog agent, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.95XS | Adverse effect of unspecified primarily systemic and hematological agent, sequelaCMS: Adverse effect of unsp prim sys and hematolog agent, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.96 Underdosing of unspecified primarily systemic and hematological agent | ||||
| T45.96XA | Underdosing of unspecified primarily systemic and hematological agent, initial encounterCMS: Undrdose of unsp prim systemic and hematolog agent, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.96XD | Underdosing of unspecified primarily systemic and hematological agent, subsequent encounterCMS: Undrdose of unsp prim systemic and hematolog agent, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.96XS | Underdosing of unspecified primarily systemic and hematological agent, sequelaCMS: Undrdose of unsp prim systemic and hematolog agent, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T45.A Poisoning by, adverse effect of and underdosing of immune checkpoint inhibitors and immunostimulant drugs | ||||
| T45.AX Poisoning by, adverse effect of and underdosing of immune checkpoint inhibitors and immunostimulant drugs | ||||
| T45.AX1 Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional) | ||||
| T45.AX1A | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional), initial encounterCMS: Poisn by immune chkpt inhibtr/immunostim drugs, acc, init | Can lead a claim | A | None |
| T45.AX1D | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional), subsequent encounterCMS: Poisn by immune chkpt inhibtr/immunostim drugs, acc, subs | Can lead a claim | A | None |
| T45.AX1S | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional), sequelaCMS: Poisn by immune chkpt inhibtr/immunostim drugs, acc, sqla | Can lead a claim | A | None |
| T45.AX2 Poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm | ||||
| T45.AX2A | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm, initial encounterCMS: Poisn by immune chkpt inhibtr/immunostim drugs,slf-hrm,init | Can lead a claim | A | None |
| T45.AX2D | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm, subsequent encounterCMS: Poisn by immune chkpt inhibtr/immunostim drugs,slf-hrm,subs | Can lead a claim | A | None |
| T45.AX2S | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm, sequelaCMS: Poisn by immune chkpt inhibtr/immunostim drugs,slf-hrm,sqla | Can lead a claim | A | None |
| T45.AX3 Poisoning by immune checkpoint inhibitors and immunostimulant drugs, assault | ||||
| T45.AX3A | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, assault, initial encounterCMS: Poisn by immune chkpt inhibtr/immunostim drugs, asslt, init | Can lead a claim | A | None |
| T45.AX3D | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, assault, subsequent encounterCMS: Poisn by immune chkpt inhibtr/immunostim drugs, asslt, subs | Can lead a claim | A | None |
| T45.AX3S | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, assault, sequelaCMS: Poisn by immune chkpt inhibtr/immunostim drugs, asslt, sqla | Can lead a claim | A | None |
| T45.AX4 Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined | ||||
| T45.AX4A | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined, initial encounterCMS: Poisn by immune chkpt inhibtr/immunostim drugs, undet, init | Can lead a claim | A | None |
| T45.AX4D | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined, subsequent encounterCMS: Poisn by immune chkpt inhibtr/immunostim drugs, undet, subs | Can lead a claim | A | None |
| T45.AX4S | Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined, sequelaCMS: Poisn by immune chkpt inhibtr/immunostim drugs, undet, sqla | Can lead a claim | A | None |
| T45.AX5 Adverse effect of immune checkpoint inhibitors and immunostimulant drugs | ||||
| T45.AX5A | Adverse effect of immune checkpoint inhibitors and immunostimulant drugs, initial encounterCMS: Advrs effect of immune chkpt inhibtr/immunostim drugs, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T45.AX5D | Adverse effect of immune checkpoint inhibitors and immunostimulant drugs, subsequent encounterCMS: Advrs effect of immune chkpt inhibtr/immunostim drugs, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T45.AX5S | Adverse effect of immune checkpoint inhibitors and immunostimulant drugs, sequelaCMS: Advrs effect of immune chkpt inhibtr/immunostim drugs, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T45.AX6 Underdosing of immune checkpoint inhibitors and immunostimulant drugs | ||||
| T45.AX6A | Underdosing of immune checkpoint inhibitors and immunostimulant drugs, initial encounterCMS: Undrdose of immune checkpoint inhibtr/immunostim drugs, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T45.AX6D | Underdosing of immune checkpoint inhibitors and immunostimulant drugs, subsequent encounterCMS: Undrdose of immune checkpoint inhibtr/immunostim drugs, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T45.AX6S | Underdosing of immune checkpoint inhibitors and immunostimulant drugs, sequelaCMS: Undrdose of immune chkpt inhibtr/immunostim drugs, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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