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T61.782

T61.782 — Other shellfish poisoning, intentional self-harm

Non-billable headerICD-10-CM

T61.782 is a non-billable header ICD-10-CM code for other shellfish poisoning, intentional self-harm. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T61

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above T61.782

These are not written on T61.782, but they bind it: a note on a category applies to every code beneath it. Billing T61.782 with anything listed here is a denial.

Written on T61 — Toxic effect of noxious substances eaten as seafood

  • 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-)

Risk adjustment

T61.782 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code history

T61.782 has not changed since FY2024 — no addition, revision or deletion across the FY2024–FY2027 ICD-10-CM releases.

Code to one of these instead T61.782

3 child codes. Green means billable.

Related codes at this level

Codes that share T61.78. If T61.782 is not quite right, the correct code is usually one of these.

Questions about T61.782

Is T61.782 a billable ICD-10-CM code?
No. T61.782 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does T61.782 sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Toxic effects of substances chiefly nonmedicinal as to source (T51-T65).
What cannot be coded together with T61.782?
T61.782 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above T61.782 (T61) and apply to it just the same.
ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.