S56.301 — Unspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level
Is S56.301 billable?
No — S56.301 is a non-billable header code. S56.301 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 S56.301.
Billable codes under this header
- S56.301AUnspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter
- S56.301DUnspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, subsequent encounter
- S56.301SUnspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, sequela
S56.301 at a glance
| Code | S56.301 |
|---|---|
| Description | Unspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S56.301 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S56.30, the nearest indexed parent of S56.301. Use them to find the family, then select the specific code.
- Injury › muscle › thumb › abductor
- Injury › muscle › thumb › extensor
Use additional code — inherited from Chapter 19
Report an additional code alongside S56.301 to fully describe the condition. S56.301 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 S56.301, but a patient may have both at the same time. When documentation supports it, S56.301 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S50-S59
The conditions below are not part of S56.301, but a patient may have both at the same time. When documentation supports it, S56.301 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S56
The conditions below are not part of S56.301, but a patient may have both at the same time. When documentation supports it, S56.301 and the excluded code may both be reported.
Code also — inherited from S56
Two codes may be needed to describe the condition fully. Whether S56.301 is sequenced first depends on the reason for the encounter.
- any associated open wound (S51.-)
What codes fall under S56.301? (3)
- S56.301AUnspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter
- S56.301DUnspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, subsequent encounter
- S56.301SUnspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, sequela
How long has S56.301 existed?
S56.301 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.