S88.021A — Partial traumatic amputation at knee level, right lower leg, initial encounter
S88.021A is a billable, specific ICD-10-CM code for partial traumatic amputation at knee level, right 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
S88.021A 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.
Medicare coverage
S88.021A is named in 8 Medicare coverage policies — 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52438Billing and Coding: Tetanus Immunization
- A54767Billing and Coding: Medicare Preventive Coverage for Certain Vaccines
- A56459Billing and Coding: Debridement Services
- A56900Billing and Coding: Immunizations
Related codes at this level
Codes that share S88.021. If S88.021A is not quite right, the correct code is usually one of these.
Questions about S88.021A
- Is S88.021A a billable ICD-10-CM code?
- Yes. S88.021A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S88.021A 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).