ICD-10 · PDGM grouping
T37 Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics
All 144 codes in the T37 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
144
Can lead a claim
96
Cannot lead a claim
48
What CMS assigns to T37
96 of the 144 codes group to MMTA - Other; 48 are assigned no clinical group. None of the 144 is assigned a comorbidity subgroup. 96 of the 144 can lead a claim.
Every code in T37
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 |
|---|---|---|---|---|
| T37.0 Poisoning by, adverse effect of and underdosing of sulfonamides | ||||
| T37.0X Poisoning by, adverse effect of and underdosing of sulfonamides | ||||
| T37.0X1 Poisoning by sulfonamides, accidental (unintentional) | ||||
| T37.0X1A | Poisoning by sulfonamides, accidental (unintentional), initial encounterCMS: Poisoning by sulfonamides, accidental (unintentional), init | Can lead a claim | A | None |
| T37.0X1D | Poisoning by sulfonamides, accidental (unintentional), subsequent encounterCMS: Poisoning by sulfonamides, accidental (unintentional), subs | Can lead a claim | A | None |
| T37.0X1S | Poisoning by sulfonamides, accidental (unintentional), sequelaCMS: Poisoning by sulfonamides, accidental, sequela | Can lead a claim | A | None |
| T37.0X2 Poisoning by sulfonamides, intentional self-harm | ||||
| T37.0X2A | Poisoning by sulfonamides, intentional self-harm, initial encounterCMS: Poisoning by sulfonamides, intentional self-harm, init | Can lead a claim | A | None |
| T37.0X2D | Poisoning by sulfonamides, intentional self-harm, subsequent encounterCMS: Poisoning by sulfonamides, intentional self-harm, subs | Can lead a claim | A | None |
| T37.0X2S | Poisoning by sulfonamides, intentional self-harm, sequela | Can lead a claim | A | None |
| T37.0X3 Poisoning by sulfonamides, assault | ||||
| T37.0X3A | Poisoning by sulfonamides, assault, initial encounter | Can lead a claim | A | None |
| T37.0X3D | Poisoning by sulfonamides, assault, subsequent encounter | Can lead a claim | A | None |
| T37.0X3S | Poisoning by sulfonamides, assault, sequela | Can lead a claim | A | None |
| T37.0X4 Poisoning by sulfonamides, undetermined | ||||
| T37.0X4A | Poisoning by sulfonamides, undetermined, initial encounter | Can lead a claim | A | None |
| T37.0X4D | Poisoning by sulfonamides, undetermined, subsequent encounterCMS: Poisoning by sulfonamides, undetermined, subs encntr | Can lead a claim | A | None |
| T37.0X4S | Poisoning by sulfonamides, undetermined, sequela | Can lead a claim | A | None |
| T37.0X5 Adverse effect of sulfonamides | ||||
| T37.0X5A | Adverse effect of sulfonamides, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.0X5D | Adverse effect of sulfonamides, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.0X5S | Adverse effect of sulfonamides, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.0X6 Underdosing of sulfonamides | ||||
| T37.0X6A | Underdosing of sulfonamides, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.0X6D | Underdosing of sulfonamides, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.0X6S | Underdosing of sulfonamides, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.1 Poisoning by, adverse effect of and underdosing of antimycobacterial drugs | ||||
| T37.1X Poisoning by, adverse effect of and underdosing of antimycobacterial drugs | ||||
| T37.1X1 Poisoning by antimycobacterial drugs, accidental (unintentional) | ||||
| T37.1X1A | Poisoning by antimycobacterial drugs, accidental (unintentional), initial encounterCMS: Poisoning by antimycobac drugs, accidental, init | Can lead a claim | A | None |
| T37.1X1D | Poisoning by antimycobacterial drugs, accidental (unintentional), subsequent encounterCMS: Poisoning by antimycobac drugs, accidental, subs | Can lead a claim | A | None |
| T37.1X1S | Poisoning by antimycobacterial drugs, accidental (unintentional), sequelaCMS: Poisoning by antimycobac drugs, accidental, sequela | Can lead a claim | A | None |
| T37.1X2 Poisoning by antimycobacterial drugs, intentional self-harm | ||||
| T37.1X2A | Poisoning by antimycobacterial drugs, intentional self-harm, initial encounterCMS: Poisoning by antimycobacterial drugs, self-harm, init | Can lead a claim | A | None |
| T37.1X2D | Poisoning by antimycobacterial drugs, intentional self-harm, subsequent encounterCMS: Poisoning by antimycobacterial drugs, self-harm, subs | Can lead a claim | A | None |
| T37.1X2S | Poisoning by antimycobacterial drugs, intentional self-harm, sequelaCMS: Poisoning by antimycobacterial drugs, self-harm, sequela | Can lead a claim | A | None |
| T37.1X3 Poisoning by antimycobacterial drugs, assault | ||||
| T37.1X3A | Poisoning by antimycobacterial drugs, assault, initial encounterCMS: Poisoning by antimycobacterial drugs, assault, init encntr | Can lead a claim | A | None |
| T37.1X3D | Poisoning by antimycobacterial drugs, assault, subsequent encounterCMS: Poisoning by antimycobacterial drugs, assault, subs encntr | Can lead a claim | A | None |
| T37.1X3S | Poisoning by antimycobacterial drugs, assault, sequela | Can lead a claim | A | None |
| T37.1X4 Poisoning by antimycobacterial drugs, undetermined | ||||
| T37.1X4A | Poisoning by antimycobacterial drugs, undetermined, initial encounterCMS: Poisoning by antimycobacterial drugs, undetermined, init | Can lead a claim | A | None |
| T37.1X4D | Poisoning by antimycobacterial drugs, undetermined, subsequent encounterCMS: Poisoning by antimycobacterial drugs, undetermined, subs | Can lead a claim | A | None |
| T37.1X4S | Poisoning by antimycobacterial drugs, undetermined, sequela | Can lead a claim | A | None |
| T37.1X5 Adverse effect of antimycobacterial drugs | ||||
| T37.1X5A | Adverse effect of antimycobacterial drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.1X5D | Adverse effect of antimycobacterial drugs, subsequent encounterCMS: Adverse effect of antimycobacterial drugs, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.1X5S | Adverse effect of antimycobacterial drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.1X6 Underdosing of antimycobacterial drugs | ||||
| T37.1X6A | Underdosing of antimycobacterial drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.1X6D | Underdosing of antimycobacterial drugs, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.1X6S | Underdosing of antimycobacterial drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.2 Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa | ||||
| T37.2X Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa | ||||
| T37.2X1 Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional) | ||||
| T37.2X1A | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), initial encounterCMS: Poisn by antimalari/drugs acting on bld protzoa, acc, init | Can lead a claim | A | None |
| T37.2X1D | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), subsequent encounterCMS: Poisn by antimalari/drugs acting on bld protzoa, acc, subs | Can lead a claim | A | None |
| T37.2X1S | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), sequelaCMS: Poisn by antimalari/drugs acting on bld protzoa, acc, sqla | Can lead a claim | A | None |
| T37.2X2 Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm | ||||
| T37.2X2A | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, initial encounterCMS: Poisn by antimalari/drugs act on bld protzoa, slf-hrm, init | Can lead a claim | A | None |
| T37.2X2D | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, subsequent encounterCMS: Poisn by antimalari/drugs act on bld protzoa, slf-hrm, subs | Can lead a claim | A | None |
| T37.2X2S | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, sequelaCMS: Poisn by antimalari/drugs act on bld protzoa, slf-hrm, sqla | Can lead a claim | A | None |
| T37.2X3 Poisoning by antimalarials and drugs acting on other blood protozoa, assault | ||||
| T37.2X3A | Poisoning by antimalarials and drugs acting on other blood protozoa, assault, initial encounterCMS: Poisn by antimalari/drugs acting on bld protzoa, asslt, init | Can lead a claim | A | None |
| T37.2X3D | Poisoning by antimalarials and drugs acting on other blood protozoa, assault, subsequent encounterCMS: Poisn by antimalari/drugs acting on bld protzoa, asslt, subs | Can lead a claim | A | None |
| T37.2X3S | Poisoning by antimalarials and drugs acting on other blood protozoa, assault, sequelaCMS: Poisn by antimalari/drugs acting on bld protzoa, asslt, sqla | Can lead a claim | A | None |
| T37.2X4 Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined | ||||
| T37.2X4A | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, initial encounterCMS: Poisn by antimalari/drugs acting on bld protzoa, undet, init | Can lead a claim | A | None |
| T37.2X4D | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, subsequent encounterCMS: Poisn by antimalari/drugs acting on bld protzoa, undet, subs | Can lead a claim | A | None |
| T37.2X4S | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, sequelaCMS: Poisn by antimalari/drugs acting on bld protzoa, undet, sqla | Can lead a claim | A | None |
| T37.2X5 Adverse effect of antimalarials and drugs acting on other blood protozoa | ||||
| T37.2X5A | Adverse effect of antimalarials and drugs acting on other blood protozoa, initial encounterCMS: Advrs effect of antimalari/drugs acting on bld protzoa, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.2X5D | Adverse effect of antimalarials and drugs acting on other blood protozoa, subsequent encounterCMS: Advrs effect of antimalari/drugs acting on bld protzoa, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.2X5S | Adverse effect of antimalarials and drugs acting on other blood protozoa, sequelaCMS: Advrs effect of antimalari/drugs acting on bld protzoa, sqla | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.2X6 Underdosing of antimalarials and drugs acting on other blood protozoa | ||||
| T37.2X6A | Underdosing of antimalarials and drugs acting on other blood protozoa, initial encounterCMS: Underdosing of antimalari/drugs acting on bld protzoa, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.2X6D | Underdosing of antimalarials and drugs acting on other blood protozoa, subsequent encounterCMS: Underdosing of antimalari/drugs acting on bld protzoa, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.2X6S | Underdosing of antimalarials and drugs acting on other blood protozoa, sequelaCMS: Undrdose of antimalari/drugs acting on bld protzoa, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.3 Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs | ||||
| T37.3X Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs | ||||
| T37.3X1 Poisoning by other antiprotozoal drugs, accidental (unintentional) | ||||
| T37.3X1A | Poisoning by other antiprotozoal drugs, accidental (unintentional), initial encounterCMS: Poisoning by oth antiprotozoal drugs, accidental, init | Can lead a claim | A | None |
| T37.3X1D | Poisoning by other antiprotozoal drugs, accidental (unintentional), subsequent encounterCMS: Poisoning by oth antiprotozoal drugs, accidental, subs | Can lead a claim | A | None |
| T37.3X1S | Poisoning by other antiprotozoal drugs, accidental (unintentional), sequelaCMS: Poisoning by oth antiprotozoal drugs, accidental, sequela | Can lead a claim | A | None |
| T37.3X2 Poisoning by other antiprotozoal drugs, intentional self-harm | ||||
| T37.3X2A | Poisoning by other antiprotozoal drugs, intentional self-harm, initial encounterCMS: Poisoning by oth antiprotozoal drugs, self-harm, init | Can lead a claim | A | None |
| T37.3X2D | Poisoning by other antiprotozoal drugs, intentional self-harm, subsequent encounterCMS: Poisoning by oth antiprotozoal drugs, self-harm, subs | Can lead a claim | A | None |
| T37.3X2S | Poisoning by other antiprotozoal drugs, intentional self-harm, sequelaCMS: Poisoning by oth antiprotozoal drugs, self-harm, sequela | Can lead a claim | A | None |
| T37.3X3 Poisoning by other antiprotozoal drugs, assault | ||||
| T37.3X3A | Poisoning by other antiprotozoal drugs, assault, initial encounterCMS: Poisoning by other antiprotozoal drugs, assault, init encntr | Can lead a claim | A | None |
| T37.3X3D | Poisoning by other antiprotozoal drugs, assault, subsequent encounterCMS: Poisoning by other antiprotozoal drugs, assault, subs encntr | Can lead a claim | A | None |
| T37.3X3S | Poisoning by other antiprotozoal drugs, assault, sequela | Can lead a claim | A | None |
| T37.3X4 Poisoning by other antiprotozoal drugs, undetermined | ||||
| T37.3X4A | Poisoning by other antiprotozoal drugs, undetermined, initial encounterCMS: Poisoning by oth antiprotozoal drugs, undetermined, init | Can lead a claim | A | None |
| T37.3X4D | Poisoning by other antiprotozoal drugs, undetermined, subsequent encounterCMS: Poisoning by oth antiprotozoal drugs, undetermined, subs | Can lead a claim | A | None |
| T37.3X4S | Poisoning by other antiprotozoal drugs, undetermined, sequelaCMS: Poisoning by oth antiprotozoal drugs, undetermined, sequela | Can lead a claim | A | None |
| T37.3X5 Adverse effect of other antiprotozoal drugs | ||||
| T37.3X5A | Adverse effect of other antiprotozoal drugs, initial encounterCMS: Adverse effect of other antiprotozoal drugs, init encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.3X5D | Adverse effect of other antiprotozoal drugs, subsequent encounterCMS: Adverse effect of other antiprotozoal drugs, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.3X5S | Adverse effect of other antiprotozoal drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.3X6 Underdosing of other antiprotozoal drugs | ||||
| T37.3X6A | Underdosing of other antiprotozoal drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.3X6D | Underdosing of other antiprotozoal drugs, subsequent encounterCMS: Underdosing of other antiprotozoal drugs, subs encntr | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.3X6S | Underdosing of other antiprotozoal drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.4 Poisoning by, adverse effect of and underdosing of anthelminthics | ||||
| T37.4X Poisoning by, adverse effect of and underdosing of anthelminthics | ||||
| T37.4X1 Poisoning by anthelminthics, accidental (unintentional) | ||||
| T37.4X1A | Poisoning by anthelminthics, accidental (unintentional), initial encounterCMS: Poisoning by anthelminthics, accidental, init | Can lead a claim | A | None |
| T37.4X1D | Poisoning by anthelminthics, accidental (unintentional), subsequent encounterCMS: Poisoning by anthelminthics, accidental, subs | Can lead a claim | A | None |
| T37.4X1S | Poisoning by anthelminthics, accidental (unintentional), sequelaCMS: Poisoning by anthelminthics, accidental, sequela | Can lead a claim | A | None |
| T37.4X2 Poisoning by anthelminthics, intentional self-harm | ||||
| T37.4X2A | Poisoning by anthelminthics, intentional self-harm, initial encounterCMS: Poisoning by anthelminthics, intentional self-harm, init | Can lead a claim | A | None |
| T37.4X2D | Poisoning by anthelminthics, intentional self-harm, subsequent encounterCMS: Poisoning by anthelminthics, intentional self-harm, subs | Can lead a claim | A | None |
| T37.4X2S | Poisoning by anthelminthics, intentional self-harm, sequela | Can lead a claim | A | None |
| T37.4X3 Poisoning by anthelminthics, assault | ||||
| T37.4X3A | Poisoning by anthelminthics, assault, initial encounter | Can lead a claim | A | None |
| T37.4X3D | Poisoning by anthelminthics, assault, subsequent encounter | Can lead a claim | A | None |
| T37.4X3S | Poisoning by anthelminthics, assault, sequela | Can lead a claim | A | None |
| T37.4X4 Poisoning by anthelminthics, undetermined | ||||
| T37.4X4A | Poisoning by anthelminthics, undetermined, initial encounter | Can lead a claim | A | None |
| T37.4X4D | Poisoning by anthelminthics, undetermined, subsequent encounterCMS: Poisoning by anthelminthics, undetermined, subs encntr | Can lead a claim | A | None |
| T37.4X4S | Poisoning by anthelminthics, undetermined, sequela | Can lead a claim | A | None |
| T37.4X5 Adverse effect of anthelminthics | ||||
| T37.4X5A | Adverse effect of anthelminthics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.4X5D | Adverse effect of anthelminthics, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.4X5S | Adverse effect of anthelminthics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.4X6 Underdosing of anthelminthics | ||||
| T37.4X6A | Underdosing of anthelminthics, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.4X6D | Underdosing of anthelminthics, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.4X6S | Underdosing of anthelminthics, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.5 Poisoning by, adverse effect of and underdosing of antiviral drugs | ||||
| T37.5X Poisoning by, adverse effect of and underdosing of antiviral drugs | ||||
| T37.5X1 Poisoning by antiviral drugs, accidental (unintentional) | ||||
| T37.5X1A | Poisoning by antiviral drugs, accidental (unintentional), initial encounterCMS: Poisoning by antiviral drugs, accidental, init | Can lead a claim | A | None |
| T37.5X1D | Poisoning by antiviral drugs, accidental (unintentional), subsequent encounterCMS: Poisoning by antiviral drugs, accidental, subs | Can lead a claim | A | None |
| T37.5X1S | Poisoning by antiviral drugs, accidental (unintentional), sequelaCMS: Poisoning by antiviral drugs, accidental, sequela | Can lead a claim | A | None |
| T37.5X2 Poisoning by antiviral drugs, intentional self-harm | ||||
| T37.5X2A | Poisoning by antiviral drugs, intentional self-harm, initial encounterCMS: Poisoning by antiviral drugs, intentional self-harm, init | Can lead a claim | A | None |
| T37.5X2D | Poisoning by antiviral drugs, intentional self-harm, subsequent encounterCMS: Poisoning by antiviral drugs, intentional self-harm, subs | Can lead a claim | A | None |
| T37.5X2S | Poisoning by antiviral drugs, intentional self-harm, sequela | Can lead a claim | A | None |
| T37.5X3 Poisoning by antiviral drugs, assault | ||||
| T37.5X3A | Poisoning by antiviral drugs, assault, initial encounter | Can lead a claim | A | None |
| T37.5X3D | Poisoning by antiviral drugs, assault, subsequent encounter | Can lead a claim | A | None |
| T37.5X3S | Poisoning by antiviral drugs, assault, sequela | Can lead a claim | A | None |
| T37.5X4 Poisoning by antiviral drugs, undetermined | ||||
| T37.5X4A | Poisoning by antiviral drugs, undetermined, initial encounterCMS: Poisoning by antiviral drugs, undetermined, init encntr | Can lead a claim | A | None |
| T37.5X4D | Poisoning by antiviral drugs, undetermined, subsequent encounterCMS: Poisoning by antiviral drugs, undetermined, subs encntr | Can lead a claim | A | None |
| T37.5X4S | Poisoning by antiviral drugs, undetermined, sequela | Can lead a claim | A | None |
| T37.5X5 Adverse effect of antiviral drugs | ||||
| T37.5X5A | Adverse effect of antiviral drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.5X5D | Adverse effect of antiviral drugs, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.5X5S | Adverse effect of antiviral drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.5X6 Underdosing of antiviral drugs | ||||
| T37.5X6A | Underdosing of antiviral drugs, initial encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.5X6D | Underdosing of antiviral drugs, subsequent encounter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.5X6S | Underdosing of antiviral drugs, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.8 Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics | ||||
| T37.8X Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics | ||||
| T37.8X1 Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional) | ||||
| T37.8X1A | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), initial encounterCMS: Poisoning by oth systemic anti-infect/parasit, acc, init | Can lead a claim | A | None |
| T37.8X1D | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), subsequent encounterCMS: Poisoning by oth systemic anti-infect/parasit, acc, subs | Can lead a claim | A | None |
| T37.8X1S | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), sequelaCMS: Poisoning by oth systemic anti-infect/parasit, acc, sequela | Can lead a claim | A | None |
| T37.8X2 Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm | ||||
| T37.8X2A | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, initial encounterCMS: Poisn by oth systemic anti-infect/parasit, self-harm, init | Can lead a claim | A | None |
| T37.8X2D | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, subsequent encounterCMS: Poisn by oth systemic anti-infect/parasit, self-harm, subs | Can lead a claim | A | None |
| T37.8X2S | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, sequelaCMS: Poisn by oth systemic anti-infect/parasit, slf-hrm, sequela | Can lead a claim | A | None |
| T37.8X3 Poisoning by other specified systemic anti-infectives and antiparasitics, assault | ||||
| T37.8X3A | Poisoning by other specified systemic anti-infectives and antiparasitics, assault, initial encounterCMS: Poisoning by oth systemic anti-infect/parasit, assault, init | Can lead a claim | A | None |
| T37.8X3D | Poisoning by other specified systemic anti-infectives and antiparasitics, assault, subsequent encounterCMS: Poisoning by oth systemic anti-infect/parasit, assault, subs | Can lead a claim | A | None |
| T37.8X3S | Poisoning by other specified systemic anti-infectives and antiparasitics, assault, sequelaCMS: Poisn by oth systemic anti-infect/parasit, assault, sequela | Can lead a claim | A | None |
| T37.8X4 Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined | ||||
| T37.8X4A | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, initial encounterCMS: Poisoning by oth systemic anti-infect/parasit, undet, init | Can lead a claim | A | None |
| T37.8X4D | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, subsequent encounterCMS: Poisoning by oth systemic anti-infect/parasit, undet, subs | Can lead a claim | A | None |
| T37.8X4S | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, sequelaCMS: Poisn by oth systemic anti-infect/parasit, undet, sequela | Can lead a claim | A | None |
| T37.8X5 Adverse effect of other specified systemic anti-infectives and antiparasitics | ||||
| T37.8X5A | Adverse effect of other specified systemic anti-infectives and antiparasitics, initial encounterCMS: Adverse effect of systemic anti-infect/parasit, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.8X5D | Adverse effect of other specified systemic anti-infectives and antiparasitics, subsequent encounterCMS: Adverse effect of systemic anti-infect/parasit, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.8X5S | Adverse effect of other specified systemic anti-infectives and antiparasitics, sequelaCMS: Adverse effect of systemic anti-infect/parasit, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.8X6 Underdosing of other specified systemic anti-infectives and antiparasitics | ||||
| T37.8X6A | Underdosing of other specified systemic anti-infectives and antiparasitics, initial encounterCMS: Underdosing of systemic anti-infect/parasit, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.8X6D | Underdosing of other specified systemic anti-infectives and antiparasitics, subsequent encounterCMS: Underdosing of systemic anti-infect/parasit, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.8X6S | Underdosing of other specified systemic anti-infectives and antiparasitics, sequelaCMS: Underdosing of systemic anti-infect/parasit, sequela | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.9 Poisoning by, adverse effect of and underdosing of unspecified systemic anti-infective and antiparasitics | ||||
| T37.91 Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional) | ||||
| T37.91XA | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), initial encounterCMS: Poisn by unsp sys anti-infect and antiparastc, acc, init | Can lead a claim | A | None |
| T37.91XD | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), subsequent encounterCMS: Poisn by unsp sys anti-infect and antiparastc, acc, subs | Can lead a claim | A | None |
| T37.91XS | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), sequelaCMS: Poisn by unsp sys anti-infect and antiparastc, acc, sequela | Can lead a claim | A | None |
| T37.92 Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm | ||||
| T37.92XA | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, initial encounterCMS: Poisn by unsp sys anti-infect and antiparastc, slf-hrm, init | Can lead a claim | A | None |
| T37.92XD | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, subsequent encounterCMS: Poisn by unsp sys anti-infect and antiparastc, slf-hrm, subs | Can lead a claim | A | None |
| T37.92XS | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, sequelaCMS: Poisn by unsp sys anti-infect and antiparastc, slf-hrm, sqla | Can lead a claim | A | None |
| T37.93 Poisoning by unspecified systemic anti-infective and antiparasitics, assault | ||||
| T37.93XA | Poisoning by unspecified systemic anti-infective and antiparasitics, assault, initial encounterCMS: Poisn by unsp sys anti-infect and antiparastc, assault, init | Can lead a claim | A | None |
| T37.93XD | Poisoning by unspecified systemic anti-infective and antiparasitics, assault, subsequent encounterCMS: Poisn by unsp sys anti-infect and antiparastc, assault, subs | Can lead a claim | A | None |
| T37.93XS | Poisoning by unspecified systemic anti-infective and antiparasitics, assault, sequelaCMS: Poisn by unsp sys anti-infect and antiparastc, asslt, sqla | Can lead a claim | A | None |
| T37.94 Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined | ||||
| T37.94XA | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, initial encounterCMS: Poisn by unsp sys anti-infect and antiparastc, undet, init | Can lead a claim | A | None |
| T37.94XD | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, subsequent encounterCMS: Poisn by unsp sys anti-infect and antiparastc, undet, subs | Can lead a claim | A | None |
| T37.94XS | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, sequelaCMS: Poisn by unsp sys anti-infect and antiparastc, undet, sqla | Can lead a claim | A | None |
| T37.95 Adverse effect of unspecified systemic anti-infective and antiparasitic | ||||
| T37.95XA | Adverse effect of unspecified systemic anti-infective and antiparasitic, initial encounterCMS: Advrs effect of unsp sys anti-infect and antiparasitic, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.95XD | Adverse effect of unspecified systemic anti-infective and antiparasitic, subsequent encounterCMS: Advrs effect of unsp sys anti-infect and antiparasitic, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.95XS | Adverse effect of unspecified systemic anti-infective and antiparasitic, sequelaCMS: Advrs effect of unsp sys anti-infect and antiparasitic, sqla | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.96 Underdosing of unspecified systemic anti-infectives and antiparasitics | ||||
| T37.96XA | Underdosing of unspecified systemic anti-infectives and antiparasitics, initial encounterCMS: Underdosing of unsp systemic anti-infect/parasit, init | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.96XD | Underdosing of unspecified systemic anti-infectives and antiparasitics, subsequent encounterCMS: Underdosing of unsp systemic anti-infect/parasit, subs | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| T37.96XS | Underdosing of unspecified systemic anti-infectives and antiparasitics, sequelaCMS: Underdosing of unsp systemic anti-infect/parasit, 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.
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