ICD-10 · PDGM grouping
T41 Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
All 126 codes in the T41 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.
Codes in family
126
Can lead a claim
84
Cannot lead a claim
42
What CMS assigns to T41
84 of the 126 codes group to MMTA - Other; 42 are assigned no clinical group. None of the 126 is assigned a comorbidity subgroup. 84 of the 126 can lead a claim.
Every code in T41
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 |
|---|---|---|---|---|
| T41.0 Poisoning by, adverse effect of and underdosing of inhaled anesthetics | ||||
| T41.0X Poisoning by, adverse effect of and underdosing of inhaled anesthetics | ||||
| T41.0X1 Poisoning by inhaled anesthetics, accidental (unintentional) | ||||
| T41.0X1A | Poisoning by inhaled anesthetics, accidental (unintentional), initial encounterCMS: Poisoning by inhaled anesthetics, accidental, init | Can lead a claim | A | None |
| T41.0X1D | Poisoning by inhaled anesthetics, accidental (unintentional), subsequent encounterCMS: Poisoning by inhaled anesthetics, accidental, subs | Can lead a claim | A | None |
| T41.0X1S | Poisoning by inhaled anesthetics, accidental (unintentional), sequelaCMS: Poisoning by inhaled anesthetics, accidental, sequela | Can lead a claim | A | None |
| T41.0X2 Poisoning by inhaled anesthetics, intentional self-harm | ||||
| T41.0X2A | Poisoning by inhaled anesthetics, intentional self-harm, initial encounterCMS: Poisoning by inhaled anesthetics, self-harm, init | Can lead a claim | A | None |
| T41.0X2D | Poisoning by inhaled anesthetics, intentional self-harm, subsequent encounterCMS: Poisoning by inhaled anesthetics, self-harm, subs | Can lead a claim | A | None |
| T41.0X2S | Poisoning by inhaled anesthetics, intentional self-harm, sequelaCMS: Poisoning by inhaled anesthetics, self-harm, sequela | Can lead a claim | A | None |
| T41.0X3 Poisoning by inhaled anesthetics, assault | ||||
| T41.0X3A | Poisoning by inhaled anesthetics, assault, initial encounter | Can lead a claim | A | None |
| T41.0X3D | Poisoning by inhaled anesthetics, assault, subsequent encounterCMS: Poisoning by inhaled anesthetics, assault, subs encntr | Can lead a claim | A | None |
| T41.0X3S | Poisoning by inhaled anesthetics, assault, sequela | Can lead a claim | A | None |
| T41.0X4 Poisoning by inhaled anesthetics, undetermined | ||||
| T41.0X4A | Poisoning by inhaled anesthetics, undetermined, initial encounterCMS: Poisoning by inhaled anesthetics, undetermined, init encntr | Can lead a claim | A | None |
| T41.0X4D | Poisoning by inhaled anesthetics, undetermined, subsequent encounterCMS: Poisoning by inhaled anesthetics, undetermined, subs encntr | Can lead a claim | A | None |
| T41.0X4S | Poisoning by inhaled anesthetics, undetermined, sequela | Can lead a claim | A | None |
| T41.0X5 Adverse effect of inhaled anesthetics | ||||
| T41.0X5A | Adverse effect of inhaled anesthetics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.0X5D | Adverse effect of inhaled anesthetics, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.0X5S | Adverse effect of inhaled anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.0X6 Underdosing of inhaled anesthetics | ||||
| T41.0X6A | Underdosing of inhaled anesthetics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.0X6D | Underdosing of inhaled anesthetics, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.0X6S | Underdosing of inhaled anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.1 Poisoning by, adverse effect of and underdosing of intravenous anesthetics | ||||
| T41.1X Poisoning by, adverse effect of and underdosing of intravenous anesthetics | ||||
| T41.1X1 Poisoning by intravenous anesthetics, accidental (unintentional) | ||||
| T41.1X1A | Poisoning by intravenous anesthetics, accidental (unintentional), initial encounterCMS: Poisoning by intravenous anesthetics, accidental, init | Can lead a claim | A | None |
| T41.1X1D | Poisoning by intravenous anesthetics, accidental (unintentional), subsequent encounterCMS: Poisoning by intravenous anesthetics, accidental, subs | Can lead a claim | A | None |
| T41.1X1S | Poisoning by intravenous anesthetics, accidental (unintentional), sequelaCMS: Poisoning by intravenous anesthetics, accidental, sequela | Can lead a claim | A | None |
| T41.1X2 Poisoning by intravenous anesthetics, intentional self-harm | ||||
| T41.1X2A | Poisoning by intravenous anesthetics, intentional self-harm, initial encounterCMS: Poisoning by intravenous anesthetics, self-harm, init | Can lead a claim | A | None |
| T41.1X2D | Poisoning by intravenous anesthetics, intentional self-harm, subsequent encounterCMS: Poisoning by intravenous anesthetics, self-harm, subs | Can lead a claim | A | None |
| T41.1X2S | Poisoning by intravenous anesthetics, intentional self-harm, sequelaCMS: Poisoning by intravenous anesthetics, self-harm, sequela | Can lead a claim | A | None |
| T41.1X3 Poisoning by intravenous anesthetics, assault | ||||
| T41.1X3A | Poisoning by intravenous anesthetics, assault, initial encounterCMS: Poisoning by intravenous anesthetics, assault, init encntr | Can lead a claim | A | None |
| T41.1X3D | Poisoning by intravenous anesthetics, assault, subsequent encounterCMS: Poisoning by intravenous anesthetics, assault, subs encntr | Can lead a claim | A | None |
| T41.1X3S | Poisoning by intravenous anesthetics, assault, sequela | Can lead a claim | A | None |
| T41.1X4 Poisoning by intravenous anesthetics, undetermined | ||||
| T41.1X4A | Poisoning by intravenous anesthetics, undetermined, initial encounterCMS: Poisoning by intravenous anesthetics, undetermined, init | Can lead a claim | A | None |
| T41.1X4D | Poisoning by intravenous anesthetics, undetermined, subsequent encounterCMS: Poisoning by intravenous anesthetics, undetermined, subs | Can lead a claim | A | None |
| T41.1X4S | Poisoning by intravenous anesthetics, undetermined, sequela | Can lead a claim | A | None |
| T41.1X5 Adverse effect of intravenous anesthetics | ||||
| T41.1X5A | Adverse effect of intravenous anesthetics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.1X5D | Adverse effect of intravenous anesthetics, subsequent encounterCMS: Adverse effect of intravenous anesthetics, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.1X5S | Adverse effect of intravenous anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.1X6 Underdosing of intravenous anesthetics | ||||
| T41.1X6A | Underdosing of intravenous anesthetics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.1X6D | Underdosing of intravenous anesthetics, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.1X6S | Underdosing of intravenous anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.2 Poisoning by, adverse effect of and underdosing of other and unspecified general anesthetics | ||||
| T41.20 Poisoning by, adverse effect of and underdosing of unspecified general anesthetics | ||||
| T41.201 Poisoning by unspecified general anesthetics, accidental (unintentional) | ||||
| T41.201A | Poisoning by unspecified general anesthetics, accidental (unintentional), initial encounterCMS: Poisoning by unsp general anesthetics, accidental, init | Can lead a claim | A | None |
| T41.201D | Poisoning by unspecified general anesthetics, accidental (unintentional), subsequent encounterCMS: Poisoning by unsp general anesthetics, accidental, subs | Can lead a claim | A | None |
| T41.201S | Poisoning by unspecified general anesthetics, accidental (unintentional), sequelaCMS: Poisoning by unsp general anesthetics, accidental, sequela | Can lead a claim | A | None |
| T41.202 Poisoning by unspecified general anesthetics, intentional self-harm | ||||
| T41.202A | Poisoning by unspecified general anesthetics, intentional self-harm, initial encounterCMS: Poisoning by unsp general anesthetics, self-harm, init | Can lead a claim | A | None |
| T41.202D | Poisoning by unspecified general anesthetics, intentional self-harm, subsequent encounterCMS: Poisoning by unsp general anesthetics, self-harm, subs | Can lead a claim | A | None |
| T41.202S | Poisoning by unspecified general anesthetics, intentional self-harm, sequelaCMS: Poisoning by unsp general anesthetics, self-harm, sequela | Can lead a claim | A | None |
| T41.203 Poisoning by unspecified general anesthetics, assault | ||||
| T41.203A | Poisoning by unspecified general anesthetics, assault, initial encounterCMS: Poisoning by unsp general anesthetics, assault, init encntr | Can lead a claim | A | None |
| T41.203D | Poisoning by unspecified general anesthetics, assault, subsequent encounterCMS: Poisoning by unsp general anesthetics, assault, subs encntr | Can lead a claim | A | None |
| T41.203S | Poisoning by unspecified general anesthetics, assault, sequelaCMS: Poisoning by unsp general anesthetics, assault, sequela | Can lead a claim | A | None |
| T41.204 Poisoning by unspecified general anesthetics, undetermined | ||||
| T41.204A | Poisoning by unspecified general anesthetics, undetermined, initial encounterCMS: Poisoning by unsp general anesthetics, undetermined, init | Can lead a claim | A | None |
| T41.204D | Poisoning by unspecified general anesthetics, undetermined, subsequent encounterCMS: Poisoning by unsp general anesthetics, undetermined, subs | Can lead a claim | A | None |
| T41.204S | Poisoning by unspecified general anesthetics, undetermined, sequelaCMS: Poisoning by unsp general anesthetics, undetermined, sequela | Can lead a claim | A | None |
| T41.205 Adverse effect of unspecified general anesthetics | ||||
| T41.205A | Adverse effect of unspecified general anesthetics, initial encounterCMS: Adverse effect of unsp general anesthetics, init encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.205D | Adverse effect of unspecified general anesthetics, subsequent encounterCMS: Adverse effect of unsp general anesthetics, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.205S | Adverse effect of unspecified general anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.206 Underdosing of unspecified general anesthetics | ||||
| T41.206A | Underdosing of unspecified general anesthetics, initial encounterCMS: Underdosing of unspecified general anesthetics, init encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.206D | Underdosing of unspecified general anesthetics, subsequent encounterCMS: Underdosing of unspecified general anesthetics, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.206S | Underdosing of unspecified general anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.29 Poisoning by, adverse effect of and underdosing of other general anesthetics | ||||
| T41.291 Poisoning by other general anesthetics, accidental (unintentional) | ||||
| T41.291A | Poisoning by other general anesthetics, accidental (unintentional), initial encounterCMS: Poisoning by oth general anesthetics, accidental, init | Can lead a claim | A | None |
| T41.291D | Poisoning by other general anesthetics, accidental (unintentional), subsequent encounterCMS: Poisoning by oth general anesthetics, accidental, subs | Can lead a claim | A | None |
| T41.291S | Poisoning by other general anesthetics, accidental (unintentional), sequelaCMS: Poisoning by oth general anesthetics, accidental, sequela | Can lead a claim | A | None |
| T41.292 Poisoning by other general anesthetics, intentional self-harm | ||||
| T41.292A | Poisoning by other general anesthetics, intentional self-harm, initial encounterCMS: Poisoning by oth general anesthetics, self-harm, init | Can lead a claim | A | None |
| T41.292D | Poisoning by other general anesthetics, intentional self-harm, subsequent encounterCMS: Poisoning by oth general anesthetics, self-harm, subs | Can lead a claim | A | None |
| T41.292S | Poisoning by other general anesthetics, intentional self-harm, sequelaCMS: Poisoning by oth general anesthetics, self-harm, sequela | Can lead a claim | A | None |
| T41.293 Poisoning by other general anesthetics, assault | ||||
| T41.293A | Poisoning by other general anesthetics, assault, initial encounterCMS: Poisoning by other general anesthetics, assault, init encntr | Can lead a claim | A | None |
| T41.293D | Poisoning by other general anesthetics, assault, subsequent encounterCMS: Poisoning by other general anesthetics, assault, subs encntr | Can lead a claim | A | None |
| T41.293S | Poisoning by other general anesthetics, assault, sequela | Can lead a claim | A | None |
| T41.294 Poisoning by other general anesthetics, undetermined | ||||
| T41.294A | Poisoning by other general anesthetics, undetermined, initial encounterCMS: Poisoning by oth general anesthetics, undetermined, init | Can lead a claim | A | None |
| T41.294D | Poisoning by other general anesthetics, undetermined, subsequent encounterCMS: Poisoning by oth general anesthetics, undetermined, subs | Can lead a claim | A | None |
| T41.294S | Poisoning by other general anesthetics, undetermined, sequelaCMS: Poisoning by oth general anesthetics, undetermined, sequela | Can lead a claim | A | None |
| T41.295 Adverse effect of other general anesthetics | ||||
| T41.295A | Adverse effect of other general anesthetics, initial encounterCMS: Adverse effect of other general anesthetics, init encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.295D | Adverse effect of other general anesthetics, subsequent encounterCMS: Adverse effect of other general anesthetics, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.295S | Adverse effect of other general anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.296 Underdosing of other general anesthetics | ||||
| T41.296A | Underdosing of other general anesthetics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.296D | Underdosing of other general anesthetics, subsequent encounterCMS: Underdosing of other general anesthetics, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.296S | Underdosing of other general anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.3 Poisoning by, adverse effect of and underdosing of local anesthetics | ||||
| T41.3X Poisoning by, adverse effect of and underdosing of local anesthetics | ||||
| T41.3X1 Poisoning by local anesthetics, accidental (unintentional) | ||||
| T41.3X1A | Poisoning by local anesthetics, accidental (unintentional), initial encounterCMS: Poisoning by local anesthetics, accidental, init | Can lead a claim | A | None |
| T41.3X1D | Poisoning by local anesthetics, accidental (unintentional), subsequent encounterCMS: Poisoning by local anesthetics, accidental, subs | Can lead a claim | A | None |
| T41.3X1S | Poisoning by local anesthetics, accidental (unintentional), sequelaCMS: Poisoning by local anesthetics, accidental, sequela | Can lead a claim | A | None |
| T41.3X2 Poisoning by local anesthetics, intentional self-harm | ||||
| T41.3X2A | Poisoning by local anesthetics, intentional self-harm, initial encounterCMS: Poisoning by local anesthetics, intentional self-harm, init | Can lead a claim | A | None |
| T41.3X2D | Poisoning by local anesthetics, intentional self-harm, subsequent encounterCMS: Poisoning by local anesthetics, intentional self-harm, subs | Can lead a claim | A | None |
| T41.3X2S | Poisoning by local anesthetics, intentional self-harm, sequelaCMS: Poisoning by local anesthetics, self-harm, sequela | Can lead a claim | A | None |
| T41.3X3 Poisoning by local anesthetics, assault | ||||
| T41.3X3A | Poisoning by local anesthetics, assault, initial encounter | Can lead a claim | A | None |
| T41.3X3D | Poisoning by local anesthetics, assault, subsequent encounterCMS: Poisoning by local anesthetics, assault, subs encntr | Can lead a claim | A | None |
| T41.3X3S | Poisoning by local anesthetics, assault, sequela | Can lead a claim | A | None |
| T41.3X4 Poisoning by local anesthetics, undetermined | ||||
| T41.3X4A | Poisoning by local anesthetics, undetermined, initial encounterCMS: Poisoning by local anesthetics, undetermined, init encntr | Can lead a claim | A | None |
| T41.3X4D | Poisoning by local anesthetics, undetermined, subsequent encounterCMS: Poisoning by local anesthetics, undetermined, subs encntr | Can lead a claim | A | None |
| T41.3X4S | Poisoning by local anesthetics, undetermined, sequela | Can lead a claim | A | None |
| T41.3X5 Adverse effect of local anesthetics | ||||
| T41.3X5A | Adverse effect of local anesthetics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.3X5D | Adverse effect of local anesthetics, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.3X5S | Adverse effect of local anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.3X6 Underdosing of local anesthetics | ||||
| T41.3X6A | Underdosing of local anesthetics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.3X6D | Underdosing of local anesthetics, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.3X6S | Underdosing of local anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.4 Poisoning by, adverse effect of and underdosing of unspecified anesthetic | ||||
| T41.41 Poisoning by unspecified anesthetic, accidental (unintentional) | ||||
| T41.41XA | Poisoning by unspecified anesthetic, accidental (unintentional), initial encounterCMS: Poisoning by unsp anesthetic, accidental, init | Can lead a claim | A | None |
| T41.41XD | Poisoning by unspecified anesthetic, accidental (unintentional), subsequent encounterCMS: Poisoning by unsp anesthetic, accidental, subs | Can lead a claim | A | None |
| T41.41XS | Poisoning by unspecified anesthetic, accidental (unintentional), sequelaCMS: Poisoning by unsp anesthetic, accidental, sequela | Can lead a claim | A | None |
| T41.42 Poisoning by unspecified anesthetic, intentional self-harm | ||||
| T41.42XA | Poisoning by unspecified anesthetic, intentional self-harm, initial encounterCMS: Poisoning by unsp anesthetic, intentional self-harm, init | Can lead a claim | A | None |
| T41.42XD | Poisoning by unspecified anesthetic, intentional self-harm, subsequent encounterCMS: Poisoning by unsp anesthetic, intentional self-harm, subs | Can lead a claim | A | None |
| T41.42XS | Poisoning by unspecified anesthetic, intentional self-harm, sequelaCMS: Poisoning by unsp anesthetic, intentional self-harm, sequela | Can lead a claim | A | None |
| T41.43 Poisoning by unspecified anesthetic, assault | ||||
| T41.43XA | Poisoning by unspecified anesthetic, assault, initial encounterCMS: Poisoning by unspecified anesthetic, assault, init encntr | Can lead a claim | A | None |
| T41.43XD | Poisoning by unspecified anesthetic, assault, subsequent encounterCMS: Poisoning by unspecified anesthetic, assault, subs encntr | Can lead a claim | A | None |
| T41.43XS | Poisoning by unspecified anesthetic, assault, sequela | Can lead a claim | A | None |
| T41.44 Poisoning by unspecified anesthetic, undetermined | ||||
| T41.44XA | Poisoning by unspecified anesthetic, undetermined, initial encounterCMS: Poisoning by unsp anesthetic, undetermined, init encntr | Can lead a claim | A | None |
| T41.44XD | Poisoning by unspecified anesthetic, undetermined, subsequent encounterCMS: Poisoning by unsp anesthetic, undetermined, subs encntr | Can lead a claim | A | None |
| T41.44XS | Poisoning by unspecified anesthetic, undetermined, sequela | Can lead a claim | A | None |
| T41.45 Adverse effect of unspecified anesthetic | ||||
| T41.45XA | Adverse effect of unspecified anesthetic, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.45XD | Adverse effect of unspecified anesthetic, subsequent encounterCMS: Adverse effect of unspecified anesthetic, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.45XS | Adverse effect of unspecified anesthetic, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.46 Underdosing of unspecified anesthetics | ||||
| T41.46XA | Underdosing of unspecified anesthetics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.46XD | Underdosing of unspecified anesthetics, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.46XS | Underdosing of unspecified anesthetics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.5 Poisoning by, adverse effect of and underdosing of therapeutic gases | ||||
| T41.5X Poisoning by, adverse effect of and underdosing of therapeutic gases | ||||
| T41.5X1 Poisoning by therapeutic gases, accidental (unintentional) | ||||
| T41.5X1A | Poisoning by therapeutic gases, accidental (unintentional), initial encounterCMS: Poisoning by therapeutic gases, accidental, init | Can lead a claim | A | None |
| T41.5X1D | Poisoning by therapeutic gases, accidental (unintentional), subsequent encounterCMS: Poisoning by therapeutic gases, accidental, subs | Can lead a claim | A | None |
| T41.5X1S | Poisoning by therapeutic gases, accidental (unintentional), sequelaCMS: Poisoning by therapeutic gases, accidental, sequela | Can lead a claim | A | None |
| T41.5X2 Poisoning by therapeutic gases, intentional self-harm | ||||
| T41.5X2A | Poisoning by therapeutic gases, intentional self-harm, initial encounterCMS: Poisoning by therapeutic gases, intentional self-harm, init | Can lead a claim | A | None |
| T41.5X2D | Poisoning by therapeutic gases, intentional self-harm, subsequent encounterCMS: Poisoning by therapeutic gases, intentional self-harm, subs | Can lead a claim | A | None |
| T41.5X2S | Poisoning by therapeutic gases, intentional self-harm, sequelaCMS: Poisoning by therapeutic gases, self-harm, sequela | Can lead a claim | A | None |
| T41.5X3 Poisoning by therapeutic gases, assault | ||||
| T41.5X3A | Poisoning by therapeutic gases, assault, initial encounter | Can lead a claim | A | None |
| T41.5X3D | Poisoning by therapeutic gases, assault, subsequent encounterCMS: Poisoning by therapeutic gases, assault, subs encntr | Can lead a claim | A | None |
| T41.5X3S | Poisoning by therapeutic gases, assault, sequela | Can lead a claim | A | None |
| T41.5X4 Poisoning by therapeutic gases, undetermined | ||||
| T41.5X4A | Poisoning by therapeutic gases, undetermined, initial encounterCMS: Poisoning by therapeutic gases, undetermined, init encntr | Can lead a claim | A | None |
| T41.5X4D | Poisoning by therapeutic gases, undetermined, subsequent encounterCMS: Poisoning by therapeutic gases, undetermined, subs encntr | Can lead a claim | A | None |
| T41.5X4S | Poisoning by therapeutic gases, undetermined, sequela | Can lead a claim | A | None |
| T41.5X5 Adverse effect of therapeutic gases | ||||
| T41.5X5A | Adverse effect of therapeutic gases, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.5X5D | Adverse effect of therapeutic gases, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.5X5S | Adverse effect of therapeutic gases, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.5X6 Underdosing of therapeutic gases | ||||
| T41.5X6A | Underdosing of therapeutic gases, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.5X6D | Underdosing of therapeutic gases, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T41.5X6S | Underdosing of therapeutic gases, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue