Is T39.311S a billable ICD-10-CM code?

Yes. T39.311S is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does T39.311S sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50).

T39.311S

T39.311S — Poisoning by propionic acid derivatives, accidental (unintentional), sequela

Billable / specific codeICD-10-CMPOA exempt

T39.311S is a billable, specific ICD-10-CM code for poisoning by propionic acid derivatives, accidental (unintentional), 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 T39

A: initial encounter
D: subsequent encounter
S: sequela

Risk adjustment

T39.311S 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

T39.311S has not changed since FY2024 — no addition, revision or deletion across the FY2024–FY2027 ICD-10-CM releases.

Related codes at this level

Codes that share T39.311. If T39.311S is not quite right, the correct code is usually one of these.

Questions about T39.311S

Is T39.311S a billable ICD-10-CM code?: Yes. T39.311S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T39.311S sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50).