T61Header code — not billable
Toxic effect of noxious substances eaten as seafood
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T61
- Effective date
- October 1, 2026
Related codes in category T61
T61.0Ciguatera fish poisoningT61.01Ciguatera fish poisoning, accidental (unintentional)T61.01XACiguatera fish poisoning, accidental (unintentional), initYesT61.01XDCiguatera fish poisoning, accidental (unintentional), subsYesT61.01XSCiguatera fish poisoning, accidental, sequelaYesT61.02Ciguatera fish poisoning, intentional self-harmT61.02XACiguatera fish poisoning, intentional self-harm, init encntrYesT61.02XDCiguatera fish poisoning, intentional self-harm, subs encntrYesT61.02XSCiguatera fish poisoning, intentional self-harm, sequelaYesT61.03Ciguatera fish poisoning, assaultT61.03XACiguatera fish poisoning, assault, initial encounterYesT61.03XDCiguatera fish poisoning, assault, subsequent encounterYes
Frequently asked questions
What is ICD-10 code T61?
T61 is an ICD-10-CM diagnosis code for Toxic effect of noxious substances eaten as seafood.
Is T61 a billable code?
No. T61 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is T61 in?
T61 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T61 become effective?
T61 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T61?
T61 belongs to category T61, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.