Is T48.0X4A a billable ICD-10-CM code?

Yes. T48.0X4A is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does T48.0X4A 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 T48.0X4A?

T48.0X4A 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 T48.0X4A (T48.0) and apply to it just the same.

T48.0X4A

T48.0X4A — Poisoning by oxytocic drugs, undetermined, initial encounter

Billable / specific codeICD-10-CM

T48.0X4A is a billable, specific ICD-10-CM code for poisoning by oxytocic drugs, undetermined, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to each code from category T48

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above T48.0X4A

These are not written on T48.0X4A, but they bind it: a note on a category applies to every code beneath it. Billing T48.0X4A with anything listed here is a denial.

Written on T48.0 — Poisoning by, adverse effect of and underdosing of oxytocic drugs

poisoning by, adverse effect of and underdosing of estrogens, progestogens and antagonists (T38.4-T38.6)

Risk adjustment

T48.0X4A 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

T48.0X4A is named in 4 Medicare coverage policies — 4 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
A57205Billing and Coding: Oximetry Services
A57473Billing and Coding: Allergy Testing
A57473Billing and Coding: Allergy Testing

Code history

T48.0X4A has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share T48.0X4. If T48.0X4A is not quite right, the correct code is usually one of these.

Questions about T48.0X4A

Is T48.0X4A a billable ICD-10-CM code?: Yes. T48.0X4A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T48.0X4A 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 T48.0X4A?: T48.0X4A 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 T48.0X4A (T48.0) and apply to it just the same.