ICD-10-CM category
T61 Toxic effect of noxious substances eaten as seafood
T61 is a category, not a billable code. Report one of the 72 complete codes below.
T61.0…
12 codes
- T61.01XACiguatera fish poisoning, accidental (unintentional), initial encounter
- T61.01XDCiguatera fish poisoning, accidental (unintentional), subsequent encounter
- T61.01XSCiguatera fish poisoning, accidental (unintentional), sequela
- T61.02XACiguatera fish poisoning, intentional self-harm, initial encounter
- T61.02XDCiguatera fish poisoning, intentional self-harm, subsequent encounter
- T61.02XSCiguatera fish poisoning, intentional self-harm, sequela
- T61.03XACiguatera fish poisoning, assault, initial encounter
- T61.03XDCiguatera fish poisoning, assault, subsequent encounter
- T61.03XSCiguatera fish poisoning, assault, sequela
- T61.04XACiguatera fish poisoning, undetermined, initial encounter
- T61.04XDCiguatera fish poisoning, undetermined, subsequent encounter
- T61.04XSCiguatera fish poisoning, undetermined, sequela
T61.1…
12 codes
- T61.11XAScombroid fish poisoning, accidental (unintentional), initial encounter
- T61.11XDScombroid fish poisoning, accidental (unintentional), subsequent encounter
- T61.11XSScombroid fish poisoning, accidental (unintentional), sequela
- T61.12XAScombroid fish poisoning, intentional self-harm, initial encounter
- T61.12XDScombroid fish poisoning, intentional self-harm, subsequent encounter
- T61.12XSScombroid fish poisoning, intentional self-harm, sequela
- T61.13XAScombroid fish poisoning, assault, initial encounter
- T61.13XDScombroid fish poisoning, assault, subsequent encounter
- T61.13XSScombroid fish poisoning, assault, sequela
- T61.14XAScombroid fish poisoning, undetermined, initial encounter
- T61.14XDScombroid fish poisoning, undetermined, subsequent encounter
- T61.14XSScombroid fish poisoning, undetermined, sequela
T61.7…
24 codes
- T61.771AOther fish poisoning, accidental (unintentional), initial encounter
- T61.771DOther fish poisoning, accidental (unintentional), subsequent encounter
- T61.771SOther fish poisoning, accidental (unintentional), sequela
- T61.772AOther fish poisoning, intentional self-harm, initial encounter
- T61.772DOther fish poisoning, intentional self-harm, subsequent encounter
- T61.772SOther fish poisoning, intentional self-harm, sequela
- T61.773AOther fish poisoning, assault, initial encounter
- T61.773DOther fish poisoning, assault, subsequent encounter
- T61.773SOther fish poisoning, assault, sequela
- T61.774AOther fish poisoning, undetermined, initial encounter
- T61.774DOther fish poisoning, undetermined, subsequent encounter
- T61.774SOther fish poisoning, undetermined, sequela
- T61.781AOther shellfish poisoning, accidental (unintentional), initial encounter
- T61.781DOther shellfish poisoning, accidental (unintentional), subsequent encounter
- T61.781SOther shellfish poisoning, accidental (unintentional), sequela
- T61.782AOther shellfish poisoning, intentional self-harm, initial encounter
- T61.782DOther shellfish poisoning, intentional self-harm, subsequent encounter
- T61.782SOther shellfish poisoning, intentional self-harm, sequela
- T61.783AOther shellfish poisoning, assault, initial encounter
- T61.783DOther shellfish poisoning, assault, subsequent encounter
- T61.783SOther shellfish poisoning, assault, sequela
- T61.784AOther shellfish poisoning, undetermined, initial encounter
- T61.784DOther shellfish poisoning, undetermined, subsequent encounter
- T61.784SOther shellfish poisoning, undetermined, sequela
T61.8…
12 codes
- T61.8X1AToxic effect of other seafood, accidental (unintentional), initial encounter
- T61.8X1DToxic effect of other seafood, accidental (unintentional), subsequent encounter
- T61.8X1SToxic effect of other seafood, accidental (unintentional), sequela
- T61.8X2AToxic effect of other seafood, intentional self-harm, initial encounter
- T61.8X2DToxic effect of other seafood, intentional self-harm, subsequent encounter
- T61.8X2SToxic effect of other seafood, intentional self-harm, sequela
- T61.8X3AToxic effect of other seafood, assault, initial encounter
- T61.8X3DToxic effect of other seafood, assault, subsequent encounter
- T61.8X3SToxic effect of other seafood, assault, sequela
- T61.8X4AToxic effect of other seafood, undetermined, initial encounter
- T61.8X4DToxic effect of other seafood, undetermined, subsequent encounter
- T61.8X4SToxic effect of other seafood, undetermined, sequela
T61.9…
12 codes
- T61.91XAToxic effect of unspecified seafood, accidental (unintentional), initial encounter
- T61.91XDToxic effect of unspecified seafood, accidental (unintentional), subsequent encounter
- T61.91XSToxic effect of unspecified seafood, accidental (unintentional), sequela
- T61.92XAToxic effect of unspecified seafood, intentional self-harm, initial encounter
- T61.92XDToxic effect of unspecified seafood, intentional self-harm, subsequent encounter
- T61.92XSToxic effect of unspecified seafood, intentional self-harm, sequela
- T61.93XAToxic effect of unspecified seafood, assault, initial encounter
- T61.93XDToxic effect of unspecified seafood, assault, subsequent encounter
- T61.93XSToxic effect of unspecified seafood, assault, sequela
- T61.94XAToxic effect of unspecified seafood, undetermined, initial encounter
- T61.94XDToxic effect of unspecified seafood, undetermined, subsequent encounter
- T61.94XSToxic effect of unspecified seafood, undetermined, sequela
Outside the US? T61 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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