ICD-10 code for seafood noxious poisoning

The ICD-10-CM code for seafood noxious poisoning is T61.9 (Toxic effect of unspecified seafood).

Within T61, choose T61.9 (Toxic effect of unspecified seafood) only when documentation doesn't support a more specific option: Ciguatera fish poisoning (T61.0), Scombroid fish poisoning (T61.1), other fish and shellfish poisoning (T61.7) and toxic effect of other seafood (T61.8).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.