Is Y00.XXXS a billable ICD-10-CM code?

Yes. Y00.XXXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Y00.XXXS sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Assault (X92-Y09).

What cannot be coded together with Y00.XXXS?

Y00.XXXS 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 Y00.XXXS (Y00) and apply to it just the same.

Y00.XXXS

Y00.XXXS — Assault by blunt object, sequela

Billable / specific codeICD-10-CMPOA exempt

Y00.XXXS is a billable, specific ICD-10-CM code for assault by blunt object, sequela. It is valid for submission on a claim.

7th character "S" — sequela

The appropriate 7th character is to be added to code Y00

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

assault by strike by sports equipment (Y08.0-)

Excludes1 inherited from the categories above Y00.XXXS

These are not written on Y00.XXXS, but they bind it: a note on a category applies to every code beneath it. Billing Y00.XXXS with anything listed here is a denial.

Written on Y00 — Assault by blunt object

assault by strike by sports equipment (Y08.0-)

Risk adjustment

Y00.XXXS 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

Y00.XXXS 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 Y00. If Y00.XXXS is not quite right, the correct code is usually one of these.

Questions about Y00.XXXS

Is Y00.XXXS a billable ICD-10-CM code?: Yes. Y00.XXXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Y00.XXXS sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Assault (X92-Y09).
What cannot be coded together with Y00.XXXS?: Y00.XXXS 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 Y00.XXXS (Y00) and apply to it just the same.