ICD-10-CM category
T36 Poisoning by systemic antibiotics
T36 is a category, not a billable code. Report one of the 198 complete codes below.
T36.0…
18 codes
- T36.0X1APoisoning by penicillins, accidental (unintentional), initial encounter
- T36.0X1DPoisoning by penicillins, accidental (unintentional), subsequent encounter
- T36.0X1SPoisoning by penicillins, accidental (unintentional), sequela
- T36.0X2APoisoning by penicillins, intentional self-harm, initial encounter
- T36.0X2DPoisoning by penicillins, intentional self-harm, subsequent encounter
- T36.0X2SPoisoning by penicillins, intentional self-harm, sequela
- T36.0X3APoisoning by penicillins, assault, initial encounter
- T36.0X3DPoisoning by penicillins, assault, subsequent encounter
- T36.0X3SPoisoning by penicillins, assault, sequela
- T36.0X4APoisoning by penicillins, undetermined, initial encounter
- T36.0X4DPoisoning by penicillins, undetermined, subsequent encounter
- T36.0X4SPoisoning by penicillins, undetermined, sequela
- T36.0X5AAdverse effect of penicillins, initial encounter
- T36.0X5DAdverse effect of penicillins, subsequent encounter
- T36.0X5SAdverse effect of penicillins, sequela
- T36.0X6AUnderdosing of penicillins, initial encounter
- T36.0X6DUnderdosing of penicillins, subsequent encounter
- T36.0X6SUnderdosing of penicillins, sequela
T36.1…
18 codes
- T36.1X1APoisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional), initial encounter
- T36.1X1DPoisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional), subsequent encounter
- T36.1X1SPoisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional), sequela
- T36.1X2APoisoning by cephalosporins and other beta-lactam antibiotics, intentional self-harm, initial encounter
- T36.1X2DPoisoning by cephalosporins and other beta-lactam antibiotics, intentional self-harm, subsequent encounter
- T36.1X2SPoisoning by cephalosporins and other beta-lactam antibiotics, intentional self-harm, sequela
- T36.1X3APoisoning by cephalosporins and other beta-lactam antibiotics, assault, initial encounter
- T36.1X3DPoisoning by cephalosporins and other beta-lactam antibiotics, assault, subsequent encounter
- T36.1X3SPoisoning by cephalosporins and other beta-lactam antibiotics, assault, sequela
- T36.1X4APoisoning by cephalosporins and other beta-lactam antibiotics, undetermined, initial encounter
- T36.1X4DPoisoning by cephalosporins and other beta-lactam antibiotics, undetermined, subsequent encounter
- T36.1X4SPoisoning by cephalosporins and other beta-lactam antibiotics, undetermined, sequela
- T36.1X5AAdverse effect of cephalosporins and other beta-lactam antibiotics, initial encounter
- T36.1X5DAdverse effect of cephalosporins and other beta-lactam antibiotics, subsequent encounter
- T36.1X5SAdverse effect of cephalosporins and other beta-lactam antibiotics, sequela
- T36.1X6AUnderdosing of cephalosporins and other beta-lactam antibiotics, initial encounter
- T36.1X6DUnderdosing of cephalosporins and other beta-lactam antibiotics, subsequent encounter
- T36.1X6SUnderdosing of cephalosporins and other beta-lactam antibiotics, sequela
T36.2…
18 codes
- T36.2X1APoisoning by chloramphenicol group, accidental (unintentional), initial encounter
- T36.2X1DPoisoning by chloramphenicol group, accidental (unintentional), subsequent encounter
- T36.2X1SPoisoning by chloramphenicol group, accidental (unintentional), sequela
- T36.2X2APoisoning by chloramphenicol group, intentional self-harm, initial encounter
- T36.2X2DPoisoning by chloramphenicol group, intentional self-harm, subsequent encounter
- T36.2X2SPoisoning by chloramphenicol group, intentional self-harm, sequela
- T36.2X3APoisoning by chloramphenicol group, assault, initial encounter
- T36.2X3DPoisoning by chloramphenicol group, assault, subsequent encounter
- T36.2X3SPoisoning by chloramphenicol group, assault, sequela
- T36.2X4APoisoning by chloramphenicol group, undetermined, initial encounter
- T36.2X4DPoisoning by chloramphenicol group, undetermined, subsequent encounter
- T36.2X4SPoisoning by chloramphenicol group, undetermined, sequela
- T36.2X5AAdverse effect of chloramphenicol group, initial encounter
- T36.2X5DAdverse effect of chloramphenicol group, subsequent encounter
- T36.2X5SAdverse effect of chloramphenicol group, sequela
- T36.2X6AUnderdosing of chloramphenicol group, initial encounter
- T36.2X6DUnderdosing of chloramphenicol group, subsequent encounter
- T36.2X6SUnderdosing of chloramphenicol group, sequela
T36.3…
18 codes
- T36.3X1APoisoning by macrolides, accidental (unintentional), initial encounter
- T36.3X1DPoisoning by macrolides, accidental (unintentional), subsequent encounter
- T36.3X1SPoisoning by macrolides, accidental (unintentional), sequela
- T36.3X2APoisoning by macrolides, intentional self-harm, initial encounter
- T36.3X2DPoisoning by macrolides, intentional self-harm, subsequent encounter
- T36.3X2SPoisoning by macrolides, intentional self-harm, sequela
- T36.3X3APoisoning by macrolides, assault, initial encounter
- T36.3X3DPoisoning by macrolides, assault, subsequent encounter
- T36.3X3SPoisoning by macrolides, assault, sequela
- T36.3X4APoisoning by macrolides, undetermined, initial encounter
- T36.3X4DPoisoning by macrolides, undetermined, subsequent encounter
- T36.3X4SPoisoning by macrolides, undetermined, sequela
- T36.3X5AAdverse effect of macrolides, initial encounter
- T36.3X5DAdverse effect of macrolides, subsequent encounter
- T36.3X5SAdverse effect of macrolides, sequela
- T36.3X6AUnderdosing of macrolides, initial encounter
- T36.3X6DUnderdosing of macrolides, subsequent encounter
- T36.3X6SUnderdosing of macrolides, sequela
T36.4…
18 codes
- T36.4X1APoisoning by tetracyclines, accidental (unintentional), initial encounter
- T36.4X1DPoisoning by tetracyclines, accidental (unintentional), subsequent encounter
- T36.4X1SPoisoning by tetracyclines, accidental (unintentional), sequela
- T36.4X2APoisoning by tetracyclines, intentional self-harm, initial encounter
- T36.4X2DPoisoning by tetracyclines, intentional self-harm, subsequent encounter
- T36.4X2SPoisoning by tetracyclines, intentional self-harm, sequela
- T36.4X3APoisoning by tetracyclines, assault, initial encounter
- T36.4X3DPoisoning by tetracyclines, assault, subsequent encounter
- T36.4X3SPoisoning by tetracyclines, assault, sequela
- T36.4X4APoisoning by tetracyclines, undetermined, initial encounter
- T36.4X4DPoisoning by tetracyclines, undetermined, subsequent encounter
- T36.4X4SPoisoning by tetracyclines, undetermined, sequela
- T36.4X5AAdverse effect of tetracyclines, initial encounter
- T36.4X5DAdverse effect of tetracyclines, subsequent encounter
- T36.4X5SAdverse effect of tetracyclines, sequela
- T36.4X6AUnderdosing of tetracyclines, initial encounter
- T36.4X6DUnderdosing of tetracyclines, subsequent encounter
- T36.4X6SUnderdosing of tetracyclines, sequela
T36.5…
18 codes
- T36.5X1APoisoning by aminoglycosides, accidental (unintentional), initial encounter
- T36.5X1DPoisoning by aminoglycosides, accidental (unintentional), subsequent encounter
- T36.5X1SPoisoning by aminoglycosides, accidental (unintentional), sequela
- T36.5X2APoisoning by aminoglycosides, intentional self-harm, initial encounter
- T36.5X2DPoisoning by aminoglycosides, intentional self-harm, subsequent encounter
- T36.5X2SPoisoning by aminoglycosides, intentional self-harm, sequela
- T36.5X3APoisoning by aminoglycosides, assault, initial encounter
- T36.5X3DPoisoning by aminoglycosides, assault, subsequent encounter
- T36.5X3SPoisoning by aminoglycosides, assault, sequela
- T36.5X4APoisoning by aminoglycosides, undetermined, initial encounter
- T36.5X4DPoisoning by aminoglycosides, undetermined, subsequent encounter
- T36.5X4SPoisoning by aminoglycosides, undetermined, sequela
- T36.5X5AAdverse effect of aminoglycosides, initial encounter
- T36.5X5DAdverse effect of aminoglycosides, subsequent encounter
- T36.5X5SAdverse effect of aminoglycosides, sequela
- T36.5X6AUnderdosing of aminoglycosides, initial encounter
- T36.5X6DUnderdosing of aminoglycosides, subsequent encounter
- T36.5X6SUnderdosing of aminoglycosides, sequela
T36.6…
18 codes
- T36.6X1APoisoning by rifampicins, accidental (unintentional), initial encounter
- T36.6X1DPoisoning by rifampicins, accidental (unintentional), subsequent encounter
- T36.6X1SPoisoning by rifampicins, accidental (unintentional), sequela
- T36.6X2APoisoning by rifampicins, intentional self-harm, initial encounter
- T36.6X2DPoisoning by rifampicins, intentional self-harm, subsequent encounter
- T36.6X2SPoisoning by rifampicins, intentional self-harm, sequela
- T36.6X3APoisoning by rifampicins, assault, initial encounter
- T36.6X3DPoisoning by rifampicins, assault, subsequent encounter
- T36.6X3SPoisoning by rifampicins, assault, sequela
- T36.6X4APoisoning by rifampicins, undetermined, initial encounter
- T36.6X4DPoisoning by rifampicins, undetermined, subsequent encounter
- T36.6X4SPoisoning by rifampicins, undetermined, sequela
- T36.6X5AAdverse effect of rifampicins, initial encounter
- T36.6X5DAdverse effect of rifampicins, subsequent encounter
- T36.6X5SAdverse effect of rifampicins, sequela
- T36.6X6AUnderdosing of rifampicins, initial encounter
- T36.6X6DUnderdosing of rifampicins, subsequent encounter
- T36.6X6SUnderdosing of rifampicins, sequela
T36.7…
18 codes
- T36.7X1APoisoning by antifungal antibiotics, systemically used, accidental (unintentional), initial encounter
- T36.7X1DPoisoning by antifungal antibiotics, systemically used, accidental (unintentional), subsequent encounter
- T36.7X1SPoisoning by antifungal antibiotics, systemically used, accidental (unintentional), sequela
- T36.7X2APoisoning by antifungal antibiotics, systemically used, intentional self-harm, initial encounter
- T36.7X2DPoisoning by antifungal antibiotics, systemically used, intentional self-harm, subsequent encounter
- T36.7X2SPoisoning by antifungal antibiotics, systemically used, intentional self-harm, sequela
- T36.7X3APoisoning by antifungal antibiotics, systemically used, assault, initial encounter
- T36.7X3DPoisoning by antifungal antibiotics, systemically used, assault, subsequent encounter
- T36.7X3SPoisoning by antifungal antibiotics, systemically used, assault, sequela
- T36.7X4APoisoning by antifungal antibiotics, systemically used, undetermined, initial encounter
- T36.7X4DPoisoning by antifungal antibiotics, systemically used, undetermined, subsequent encounter
- T36.7X4SPoisoning by antifungal antibiotics, systemically used, undetermined, sequela
- T36.7X5AAdverse effect of antifungal antibiotics, systemically used, initial encounter
- T36.7X5DAdverse effect of antifungal antibiotics, systemically used, subsequent encounter
- T36.7X5SAdverse effect of antifungal antibiotics, systemically used, sequela
- T36.7X6AUnderdosing of antifungal antibiotics, systemically used, initial encounter
- T36.7X6DUnderdosing of antifungal antibiotics, systemically used, subsequent encounter
- T36.7X6SUnderdosing of antifungal antibiotics, systemically used, sequela
T36.8…
18 codes
- T36.8X1APoisoning by other systemic antibiotics, accidental (unintentional), initial encounter
- T36.8X1DPoisoning by other systemic antibiotics, accidental (unintentional), subsequent encounter
- T36.8X1SPoisoning by other systemic antibiotics, accidental (unintentional), sequela
- T36.8X2APoisoning by other systemic antibiotics, intentional self-harm, initial encounter
- T36.8X2DPoisoning by other systemic antibiotics, intentional self-harm, subsequent encounter
- T36.8X2SPoisoning by other systemic antibiotics, intentional self-harm, sequela
- T36.8X3APoisoning by other systemic antibiotics, assault, initial encounter
- T36.8X3DPoisoning by other systemic antibiotics, assault, subsequent encounter
- T36.8X3SPoisoning by other systemic antibiotics, assault, sequela
- T36.8X4APoisoning by other systemic antibiotics, undetermined, initial encounter
- T36.8X4DPoisoning by other systemic antibiotics, undetermined, subsequent encounter
- T36.8X4SPoisoning by other systemic antibiotics, undetermined, sequela
- T36.8X5AAdverse effect of other systemic antibiotics, initial encounter
- T36.8X5DAdverse effect of other systemic antibiotics, subsequent encounter
- T36.8X5SAdverse effect of other systemic antibiotics, sequela
- T36.8X6AUnderdosing of other systemic antibiotics, initial encounter
- T36.8X6DUnderdosing of other systemic antibiotics, subsequent encounter
- T36.8X6SUnderdosing of other systemic antibiotics, sequela
T36.9…
18 codes
- T36.91XAPoisoning by unspecified systemic antibiotic, accidental (unintentional), initial encounter
- T36.91XDPoisoning by unspecified systemic antibiotic, accidental (unintentional), subsequent encounter
- T36.91XSPoisoning by unspecified systemic antibiotic, accidental (unintentional), sequela
- T36.92XAPoisoning by unspecified systemic antibiotic, intentional self-harm, initial encounter
- T36.92XDPoisoning by unspecified systemic antibiotic, intentional self-harm, subsequent encounter
- T36.92XSPoisoning by unspecified systemic antibiotic, intentional self-harm, sequela
- T36.93XAPoisoning by unspecified systemic antibiotic, assault, initial encounter
- T36.93XDPoisoning by unspecified systemic antibiotic, assault, subsequent encounter
- T36.93XSPoisoning by unspecified systemic antibiotic, assault, sequela
- T36.94XAPoisoning by unspecified systemic antibiotic, undetermined, initial encounter
- T36.94XDPoisoning by unspecified systemic antibiotic, undetermined, subsequent encounter
- T36.94XSPoisoning by unspecified systemic antibiotic, undetermined, sequela
- T36.95XAAdverse effect of unspecified systemic antibiotic, initial encounter
- T36.95XDAdverse effect of unspecified systemic antibiotic, subsequent encounter
- T36.95XSAdverse effect of unspecified systemic antibiotic, sequela
- T36.96XAUnderdosing of unspecified systemic antibiotic, initial encounter
- T36.96XDUnderdosing of unspecified systemic antibiotic, subsequent encounter
- T36.96XSUnderdosing of unspecified systemic antibiotic, sequela
T36.A…
18 codes
- T36.AX1APoisoning by fluoroquinolone antibiotics, accidental (unintentional), initial encounter
- T36.AX1DPoisoning by fluoroquinolone antibiotics, accidental (unintentional), subsequent encounter
- T36.AX1SPoisoning by fluoroquinolone antibiotics, accidental (unintentional), sequela
- T36.AX2APoisoning by fluoroquinolone antibiotics, intentional self-harm, initial encounter
- T36.AX2DPoisoning by fluoroquinolone antibiotics, intentional self-harm, subsequent encounter
- T36.AX2SPoisoning by fluoroquinolone antibiotics, intentional self-harm, sequela
- T36.AX3APoisoning by fluoroquinolone antibiotics, assault, initial encounter
- T36.AX3DPoisoning by fluoroquinolone antibiotics, assault, subsequent encounter
- T36.AX3SPoisoning by fluoroquinolone antibiotics, assault, sequela
- T36.AX4APoisoning by fluoroquinolone antibiotics, undetermined, initial encounter
- T36.AX4DPoisoning by fluoroquinolone antibiotics, undetermined, subsequent encounter
- T36.AX4SPoisoning by fluoroquinolone antibiotics, undetermined, sequela
- T36.AX5AAdverse effect of fluoroquinolone antibiotics, initial encounter
- T36.AX5DAdverse effect of fluoroquinolone antibiotics, subsequent encounter
- T36.AX5SAdverse effect of fluoroquinolone antibiotics, sequela
- T36.AX6AUnderdosing of fluoroquinolone antibiotics, initial encounter
- T36.AX6DUnderdosing of fluoroquinolone antibiotics, subsequent encounter
- T36.AX6SUnderdosing of fluoroquinolone antibiotics, sequela
Outside the US? T36 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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