Is T45.0X2S a billable ICD-10-CM code?

Yes. T45.0X2S is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does T45.0X2S 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).

What cannot be coded together with T45.0X2S?

T45.0X2S 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 T45.0X2S (T45.0) and apply to it just the same.

T45.0X2S

T45.0X2S — Poisoning by antiallergic and antiemetic drugs, intentional self-harm, sequela

Billable / specific codeICD-10-CMPOA exempt

T45.0X2S is a billable, specific ICD-10-CM code for poisoning by antiallergic and antiemetic drugs, 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 T45

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above T45.0X2S

These are not written on T45.0X2S, but they bind it: a note on a category applies to every code beneath it. Billing T45.0X2S with anything listed here is a denial.

Written on T45.0 — Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs

poisoning by, adverse effect of and underdosing of phenothiazine-based neuroleptics (T43.3)

Risk adjustment

T45.0X2S 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

T45.0X2S is named in 1 Medicare coverage policy — 1 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

Code history

T45.0X2S 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 T45.0X2. If T45.0X2S is not quite right, the correct code is usually one of these.

Questions about T45.0X2S

Is T45.0X2S a billable ICD-10-CM code?: Yes. T45.0X2S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T45.0X2S 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).
What cannot be coded together with T45.0X2S?: T45.0X2S 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 T45.0X2S (T45.0) and apply to it just the same.