All ICD10 Codes
T61Non-billable

Toxic effect of noxious substances eaten as seafood

Injury, Poisoning and Certain Other Consequences of External Causes·Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)·category·FY 2026

Use a more specific code (0 billable, 5 non-billable)
T61.0Ciguatera fish poisoninghas subcodesT61.1Scombroid fish poisoninghas subcodesT61.7Other fish and shellfish poisoninghas subcodesT61.8Toxic effect of other seafoodhas subcodesT61.9Toxic effect of unspecified seafoodhas subcodes

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T51-T65 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • contact with and (suspected) exposure to toxic substances (Z77.-)
Use Additional Code
  • code(s):
  • for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
  • personal history of foreign body fully removed (Z87.821)
  • to identify any retained foreign body, if applicable (Z18.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • allergic reaction to food, such as:
  • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
  • bacterial foodborne intoxications (A05.-)
  • dermatitis (L23.6, L25.4, L27.2)
  • food protein-induced enterocolitis syndrome (K52.21)
  • food protein-induced enteropathy (K52.22)
  • gastroenteritis (noninfective) (K52.29)
  • toxic effect of aflatoxin and other mycotoxins (T64)
  • toxic effect of cyanides (T65.0-)
  • toxic effect of harmful algae bloom (T65.82-)
  • toxic effect of hydrogen cyanide (T57.3-)
  • toxic effect of mercury (T56.1-)
  • toxic effect of red tide (T65.82-)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T51-T65Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
T61Toxic effect of noxious substances eaten as seafoodNot billable
T61.0Ciguatera fish poisoningSubcodes
T61.1Scombroid fish poisoningSubcodes
T61.7Other fish and shellfish poisoningSubcodes
T61.8Toxic effect of other seafoodSubcodes
T61.9Toxic effect of unspecified seafoodSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.