S88.129A
S88.129A — Partial traumatic amputation at level between knee and ankle, unspecified lower leg, initial encounter
Billable / specific codeICD-10-CMunspecified
S88.129A is a billable, specific ICD-10-CM code for partial traumatic amputation at level between knee and ankle, unspecified lower leg, 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 S88
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S88.129A risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 405 Traumatic Amputations and Complications0.598 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Code history
S88.129A 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 S88.129. If S88.129A is not quite right, the correct code is usually one of these.
Questions about S88.129A
- Is S88.129A a billable ICD-10-CM code?
- Yes. S88.129A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S88.129A 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).