S88.121 — Partial traumatic amputation at level between knee and ankle, right lower leg
Is S88.121 billable?
No — S88.121 is a non-billable header code. S88.121 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath S88.121.
Billable codes under this header
- S88.121APartial traumatic amputation at level between knee and ankle, right lower leg, initial encounter
- S88.121DPartial traumatic amputation at level between knee and ankle, right lower leg, subsequent encounter
- S88.121SPartial traumatic amputation at level between knee and ankle, right lower leg, sequela
S88.121 at a glance
| Code | S88.121 |
|---|---|
| Description | Partial traumatic amputation at level between knee and ankle, right lower leg |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S88.121 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S88.12, the nearest indexed parent of S88.121. Use them to find the family, then select the specific code.
- Amputation › traumatic › leg › between knee and ankle › partial
Excludes1 — never code together — inherited from S88
The conditions below can never be reported together with S88.121 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- traumatic amputation of ankle and foot (S98.-)
Use additional code — inherited from Chapter 19
Report an additional code alongside S88.121 to fully describe the condition. S88.121 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S88.121, but a patient may have both at the same time. When documentation supports it, S88.121 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S80-S89
The conditions below are not part of S88.121, but a patient may have both at the same time. When documentation supports it, S88.121 and the excluded code may both be reported.
What codes fall under S88.121? (3)
- S88.121APartial traumatic amputation at level between knee and ankle, right lower leg, initial encounter
- S88.121DPartial traumatic amputation at level between knee and ankle, right lower leg, subsequent encounter
- S88.121SPartial traumatic amputation at level between knee and ankle, right lower leg, sequela
How long has S88.121 existed?
S88.121 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.