S88.929S — Partial traumatic amputation of unspecified lower leg, level unspecified, sequela
S88.929S is a billable, specific ICD-10-CM code for partial traumatic amputation of unspecified lower leg, level unspecified, 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 S88
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes1 inherited from the categories above S88.929S
These are not written on S88.929S, but they bind it: a note on a category applies to every code beneath it. Billing S88.929S with anything listed here is a denial.
Other codes that can never be billed with S88.929S
These codes carry an Excludes1 note pointing at S88.929S. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading S88.929S alone.
Risk adjustment
S88.929S 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
S88.929S 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.
- A53064Billing and Coding: Outpatient Occupational Therapy
Code history
S88.929S 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 S88.929. If S88.929S is not quite right, the correct code is usually one of these.
Questions about S88.929S
- Is S88.929S a billable ICD-10-CM code?
- Yes. S88.929S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S88.929S sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the knee and lower leg (S80-S89).
- What cannot be coded together with S88.929S?
- S88.929S 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 S88.929S (S88) and apply to it just the same.