ICD-10-CM category
T37 Poisoning by other systemic anti-infectives and antiparasitics
T37 is a category, not a billable code. Report one of the 144 complete codes below.
T37.0…
18 codes
- T37.0X1APoisoning by sulfonamides, accidental (unintentional), initial encounter
- T37.0X1DPoisoning by sulfonamides, accidental (unintentional), subsequent encounter
- T37.0X1SPoisoning by sulfonamides, accidental (unintentional), sequela
- T37.0X2APoisoning by sulfonamides, intentional self-harm, initial encounter
- T37.0X2DPoisoning by sulfonamides, intentional self-harm, subsequent encounter
- T37.0X2SPoisoning by sulfonamides, intentional self-harm, sequela
- T37.0X3APoisoning by sulfonamides, assault, initial encounter
- T37.0X3DPoisoning by sulfonamides, assault, subsequent encounter
- T37.0X3SPoisoning by sulfonamides, assault, sequela
- T37.0X4APoisoning by sulfonamides, undetermined, initial encounter
- T37.0X4DPoisoning by sulfonamides, undetermined, subsequent encounter
- T37.0X4SPoisoning by sulfonamides, undetermined, sequela
- T37.0X5AAdverse effect of sulfonamides, initial encounter
- T37.0X5DAdverse effect of sulfonamides, subsequent encounter
- T37.0X5SAdverse effect of sulfonamides, sequela
- T37.0X6AUnderdosing of sulfonamides, initial encounter
- T37.0X6DUnderdosing of sulfonamides, subsequent encounter
- T37.0X6SUnderdosing of sulfonamides, sequela
T37.1…
18 codes
- T37.1X1APoisoning by antimycobacterial drugs, accidental (unintentional), initial encounter
- T37.1X1DPoisoning by antimycobacterial drugs, accidental (unintentional), subsequent encounter
- T37.1X1SPoisoning by antimycobacterial drugs, accidental (unintentional), sequela
- T37.1X2APoisoning by antimycobacterial drugs, intentional self-harm, initial encounter
- T37.1X2DPoisoning by antimycobacterial drugs, intentional self-harm, subsequent encounter
- T37.1X2SPoisoning by antimycobacterial drugs, intentional self-harm, sequela
- T37.1X3APoisoning by antimycobacterial drugs, assault, initial encounter
- T37.1X3DPoisoning by antimycobacterial drugs, assault, subsequent encounter
- T37.1X3SPoisoning by antimycobacterial drugs, assault, sequela
- T37.1X4APoisoning by antimycobacterial drugs, undetermined, initial encounter
- T37.1X4DPoisoning by antimycobacterial drugs, undetermined, subsequent encounter
- T37.1X4SPoisoning by antimycobacterial drugs, undetermined, sequela
- T37.1X5AAdverse effect of antimycobacterial drugs, initial encounter
- T37.1X5DAdverse effect of antimycobacterial drugs, subsequent encounter
- T37.1X5SAdverse effect of antimycobacterial drugs, sequela
- T37.1X6AUnderdosing of antimycobacterial drugs, initial encounter
- T37.1X6DUnderdosing of antimycobacterial drugs, subsequent encounter
- T37.1X6SUnderdosing of antimycobacterial drugs, sequela
T37.2…
18 codes
- T37.2X1APoisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), initial encounter
- T37.2X1DPoisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), subsequent encounter
- T37.2X1SPoisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), sequela
- T37.2X2APoisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, initial encounter
- T37.2X2DPoisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, subsequent encounter
- T37.2X2SPoisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, sequela
- T37.2X3APoisoning by antimalarials and drugs acting on other blood protozoa, assault, initial encounter
- T37.2X3DPoisoning by antimalarials and drugs acting on other blood protozoa, assault, subsequent encounter
- T37.2X3SPoisoning by antimalarials and drugs acting on other blood protozoa, assault, sequela
- T37.2X4APoisoning by antimalarials and drugs acting on other blood protozoa, undetermined, initial encounter
- T37.2X4DPoisoning by antimalarials and drugs acting on other blood protozoa, undetermined, subsequent encounter
- T37.2X4SPoisoning by antimalarials and drugs acting on other blood protozoa, undetermined, sequela
- T37.2X5AAdverse effect of antimalarials and drugs acting on other blood protozoa, initial encounter
- T37.2X5DAdverse effect of antimalarials and drugs acting on other blood protozoa, subsequent encounter
- T37.2X5SAdverse effect of antimalarials and drugs acting on other blood protozoa, sequela
- T37.2X6AUnderdosing of antimalarials and drugs acting on other blood protozoa, initial encounter
- T37.2X6DUnderdosing of antimalarials and drugs acting on other blood protozoa, subsequent encounter
- T37.2X6SUnderdosing of antimalarials and drugs acting on other blood protozoa, sequela
T37.3…
18 codes
- T37.3X1APoisoning by other antiprotozoal drugs, accidental (unintentional), initial encounter
- T37.3X1DPoisoning by other antiprotozoal drugs, accidental (unintentional), subsequent encounter
- T37.3X1SPoisoning by other antiprotozoal drugs, accidental (unintentional), sequela
- T37.3X2APoisoning by other antiprotozoal drugs, intentional self-harm, initial encounter
- T37.3X2DPoisoning by other antiprotozoal drugs, intentional self-harm, subsequent encounter
- T37.3X2SPoisoning by other antiprotozoal drugs, intentional self-harm, sequela
- T37.3X3APoisoning by other antiprotozoal drugs, assault, initial encounter
- T37.3X3DPoisoning by other antiprotozoal drugs, assault, subsequent encounter
- T37.3X3SPoisoning by other antiprotozoal drugs, assault, sequela
- T37.3X4APoisoning by other antiprotozoal drugs, undetermined, initial encounter
- T37.3X4DPoisoning by other antiprotozoal drugs, undetermined, subsequent encounter
- T37.3X4SPoisoning by other antiprotozoal drugs, undetermined, sequela
- T37.3X5AAdverse effect of other antiprotozoal drugs, initial encounter
- T37.3X5DAdverse effect of other antiprotozoal drugs, subsequent encounter
- T37.3X5SAdverse effect of other antiprotozoal drugs, sequela
- T37.3X6AUnderdosing of other antiprotozoal drugs, initial encounter
- T37.3X6DUnderdosing of other antiprotozoal drugs, subsequent encounter
- T37.3X6SUnderdosing of other antiprotozoal drugs, sequela
T37.4…
18 codes
- T37.4X1APoisoning by anthelminthics, accidental (unintentional), initial encounter
- T37.4X1DPoisoning by anthelminthics, accidental (unintentional), subsequent encounter
- T37.4X1SPoisoning by anthelminthics, accidental (unintentional), sequela
- T37.4X2APoisoning by anthelminthics, intentional self-harm, initial encounter
- T37.4X2DPoisoning by anthelminthics, intentional self-harm, subsequent encounter
- T37.4X2SPoisoning by anthelminthics, intentional self-harm, sequela
- T37.4X3APoisoning by anthelminthics, assault, initial encounter
- T37.4X3DPoisoning by anthelminthics, assault, subsequent encounter
- T37.4X3SPoisoning by anthelminthics, assault, sequela
- T37.4X4APoisoning by anthelminthics, undetermined, initial encounter
- T37.4X4DPoisoning by anthelminthics, undetermined, subsequent encounter
- T37.4X4SPoisoning by anthelminthics, undetermined, sequela
- T37.4X5AAdverse effect of anthelminthics, initial encounter
- T37.4X5DAdverse effect of anthelminthics, subsequent encounter
- T37.4X5SAdverse effect of anthelminthics, sequela
- T37.4X6AUnderdosing of anthelminthics, initial encounter
- T37.4X6DUnderdosing of anthelminthics, subsequent encounter
- T37.4X6SUnderdosing of anthelminthics, sequela
T37.5…
18 codes
- T37.5X1APoisoning by antiviral drugs, accidental (unintentional), initial encounter
- T37.5X1DPoisoning by antiviral drugs, accidental (unintentional), subsequent encounter
- T37.5X1SPoisoning by antiviral drugs, accidental (unintentional), sequela
- T37.5X2APoisoning by antiviral drugs, intentional self-harm, initial encounter
- T37.5X2DPoisoning by antiviral drugs, intentional self-harm, subsequent encounter
- T37.5X2SPoisoning by antiviral drugs, intentional self-harm, sequela
- T37.5X3APoisoning by antiviral drugs, assault, initial encounter
- T37.5X3DPoisoning by antiviral drugs, assault, subsequent encounter
- T37.5X3SPoisoning by antiviral drugs, assault, sequela
- T37.5X4APoisoning by antiviral drugs, undetermined, initial encounter
- T37.5X4DPoisoning by antiviral drugs, undetermined, subsequent encounter
- T37.5X4SPoisoning by antiviral drugs, undetermined, sequela
- T37.5X5AAdverse effect of antiviral drugs, initial encounter
- T37.5X5DAdverse effect of antiviral drugs, subsequent encounter
- T37.5X5SAdverse effect of antiviral drugs, sequela
- T37.5X6AUnderdosing of antiviral drugs, initial encounter
- T37.5X6DUnderdosing of antiviral drugs, subsequent encounter
- T37.5X6SUnderdosing of antiviral drugs, sequela
T37.8…
18 codes
- T37.8X1APoisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), initial encounter
- T37.8X1DPoisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), subsequent encounter
- T37.8X1SPoisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), sequela
- T37.8X2APoisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, initial encounter
- T37.8X2DPoisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, subsequent encounter
- T37.8X2SPoisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, sequela
- T37.8X3APoisoning by other specified systemic anti-infectives and antiparasitics, assault, initial encounter
- T37.8X3DPoisoning by other specified systemic anti-infectives and antiparasitics, assault, subsequent encounter
- T37.8X3SPoisoning by other specified systemic anti-infectives and antiparasitics, assault, sequela
- T37.8X4APoisoning by other specified systemic anti-infectives and antiparasitics, undetermined, initial encounter
- T37.8X4DPoisoning by other specified systemic anti-infectives and antiparasitics, undetermined, subsequent encounter
- T37.8X4SPoisoning by other specified systemic anti-infectives and antiparasitics, undetermined, sequela
- T37.8X5AAdverse effect of other specified systemic anti-infectives and antiparasitics, initial encounter
- T37.8X5DAdverse effect of other specified systemic anti-infectives and antiparasitics, subsequent encounter
- T37.8X5SAdverse effect of other specified systemic anti-infectives and antiparasitics, sequela
- T37.8X6AUnderdosing of other specified systemic anti-infectives and antiparasitics, initial encounter
- T37.8X6DUnderdosing of other specified systemic anti-infectives and antiparasitics, subsequent encounter
- T37.8X6SUnderdosing of other specified systemic anti-infectives and antiparasitics, sequela
T37.9…
18 codes
- T37.91XAPoisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), initial encounter
- T37.91XDPoisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), subsequent encounter
- T37.91XSPoisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), sequela
- T37.92XAPoisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, initial encounter
- T37.92XDPoisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, subsequent encounter
- T37.92XSPoisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, sequela
- T37.93XAPoisoning by unspecified systemic anti-infective and antiparasitics, assault, initial encounter
- T37.93XDPoisoning by unspecified systemic anti-infective and antiparasitics, assault, subsequent encounter
- T37.93XSPoisoning by unspecified systemic anti-infective and antiparasitics, assault, sequela
- T37.94XAPoisoning by unspecified systemic anti-infective and antiparasitics, undetermined, initial encounter
- T37.94XDPoisoning by unspecified systemic anti-infective and antiparasitics, undetermined, subsequent encounter
- T37.94XSPoisoning by unspecified systemic anti-infective and antiparasitics, undetermined, sequela
- T37.95XAAdverse effect of unspecified systemic anti-infective and antiparasitic, initial encounter
- T37.95XDAdverse effect of unspecified systemic anti-infective and antiparasitic, subsequent encounter
- T37.95XSAdverse effect of unspecified systemic anti-infective and antiparasitic, sequela
- T37.96XAUnderdosing of unspecified systemic anti-infectives and antiparasitics, initial encounter
- T37.96XDUnderdosing of unspecified systemic anti-infectives and antiparasitics, subsequent encounter
- T37.96XSUnderdosing of unspecified systemic anti-infectives and antiparasitics, sequela
Outside the US? T37 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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