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T51.3X2S

T51.3X2SToxic effect of fusel oil, intentional self-harm, sequela

Billable / specific codeICD-10-CMPOA exempt

T51.3X2S is a billable, specific ICD-10-CM code for toxic effect of fusel oil, intentional self-harm, sequela. It is valid for submission on a claim.

7th character "S" — sequela

The appropriate 7th character is to be added to each code from category T51

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

T51.3X2S 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.

Medicare coverage

T51.3X2S is named in 3 Medicare coverage policies 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56612Billing and Coding: CT of the Head
  • A56625Billing and Coding: Echocardiography
  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)

Related codes at this level

Codes that share T51.3X2. If T51.3X2S is not quite right, the correct code is usually one of these.

Questions about T51.3X2S

Is T51.3X2S a billable ICD-10-CM code?
Yes. T51.3X2S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T51.3X2S 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).
ICD-10-CMFY2026-Apr· effective April 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.