S86.991 — Other injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg
Is S86.991 billable?
No — S86.991 is a non-billable header code. S86.991 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 S86.991.
Billable codes under this header
- S86.991AOther injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg, initial encounter
- S86.991DOther injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg, subsequent encounter
- S86.991SOther injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg, sequela
S86.991 at a glance
| Code | S86.991 |
|---|---|
| Description | Other injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S86.991 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S86.99, the nearest indexed parent of S86.991. Use them to find the family, then select the specific code.
- Injury › muscle › leg › specified › type NEC
Use additional code — inherited from Chapter 19
Report an additional code alongside S86.991 to fully describe the condition. S86.991 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 S86.991, but a patient may have both at the same time. When documentation supports it, S86.991 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S80-S89
The conditions below are not part of S86.991, but a patient may have both at the same time. When documentation supports it, S86.991 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S86
The conditions below are not part of S86.991, but a patient may have both at the same time. When documentation supports it, S86.991 and the excluded code may both be reported.
Code also — inherited from S86
Two codes may be needed to describe the condition fully. Whether S86.991 is sequenced first depends on the reason for the encounter.
- any associated open wound (S81.-)
What codes fall under S86.991? (3)
- S86.991AOther injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg, initial encounter
- S86.991DOther injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg, subsequent encounter
- S86.991SOther injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg, sequela
How long has S86.991 existed?
S86.991 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.