T61.8X4Header code — not billable
Toxic effect of other seafood, undetermined
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T61
- Effective date
- October 1, 2026
Related codes in category T61
T61Toxic effect of noxious substances eaten as seafoodT61.0Ciguatera 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 encounterYes
Frequently asked questions
What is ICD-10 code T61.8X4?
T61.8X4 is an ICD-10-CM diagnosis code for Toxic effect of other seafood, undetermined.
Is T61.8X4 a billable code?
No. T61.8X4 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 T61.8X4 in?
T61.8X4 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T61.8X4 become effective?
T61.8X4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T61.8X4?
T61.8X4 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.