S89.90 — Unspecified injury of unspecified lower leg
Is S89.90 billable?
No — S89.90 is a non-billable header code. S89.90 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 S89.90.
S89.90 at a glance
| Code | S89.90 |
|---|---|
| Description | Unspecified injury of unspecified lower leg |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S89.90 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S89.9, the nearest indexed parent of S89.90. Use them to find the family, then select the specific code.
- Injury › knee
- Injury › leg
Use additional code — inherited from Chapter 19
Report an additional code alongside S89.90 to fully describe the condition. S89.90 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 S89.90, but a patient may have both at the same time. When documentation supports it, S89.90 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S80-S89
The conditions below are not part of S89.90, but a patient may have both at the same time. When documentation supports it, S89.90 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S89
The conditions below are not part of S89.90, but a patient may have both at the same time. When documentation supports it, S89.90 and the excluded code may both be reported.
- other and unspecified injuries of ankle and foot (S99.-)
What codes fall under S89.90? (3)
How long has S89.90 existed?
S89.90 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.