ICD-10-CM 2027
ICD-10 code for Scombroid fish poisoning
From the official ICD-10-CM alphabetic index entry “Poisoning (acute) › scombroid fish”. Page updated September 29, 2026.
About coding Scombroid fish poisoning
The ICD-10-CM code for Scombroid fish poisoning is T61.1 (Scombroid fish poisoning).
Within T61 (toxic effect of noxious substances eaten as seafood), T61.1 is specifically for Scombroid fish poisoning. Related codes cover Ciguatera fish poisoning (T61.0), other fish and shellfish poisoning (T61.7), toxic effect of other seafood (T61.8) and toxic effect of unspecified seafood (T61.9).
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.