X99.0XXA — Assault by sharp glass, initial encounter
X99.0XXA is a billable, specific ICD-10-CM code for assault by sharp glass, 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 X99
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes1 inherited from the categories above X99.0XXA
These are not written on X99.0XXA, but they bind it: a note on a category applies to every code beneath it. Billing X99.0XXA with anything listed here is a denial.
Risk adjustment
X99.0XXA 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
X99.0XXA 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 X99.0. If X99.0XXA is not quite right, the correct code is usually one of these.
Questions about X99.0XXA
- Is X99.0XXA a billable ICD-10-CM code?
- Yes. X99.0XXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does X99.0XXA sit in the tabular list?
- External causes of morbidity (V00-Y99), in the block Assault (X92-Y09).
- What cannot be coded together with X99.0XXA?
- X99.0XXA 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 X99.0XXA (X99) and apply to it just the same.