S64.21 — Injury of radial nerve at wrist and hand level of right arm
Is S64.21 billable?
No — S64.21 is a non-billable header code. S64.21 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 S64.21.
S64.21 at a glance
| Code | S64.21 |
|---|---|
| Description | Injury of radial nerve at wrist and hand level of right arm |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S64.21 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S64.2, the nearest indexed parent of S64.21. Use them to find the family, then select the specific code.
- Injury › nerve NEC › radial › hand
Use additional code — inherited from Chapter 19
Report an additional code alongside S64.21 to fully describe the condition. S64.21 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 S64.21, but a patient may have both at the same time. When documentation supports it, S64.21 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S60-S69
The conditions below are not part of S64.21, but a patient may have both at the same time. When documentation supports it, S64.21 and the excluded code may both be reported.
Code also — inherited from S64
Two codes may be needed to describe the condition fully. Whether S64.21 is sequenced first depends on the reason for the encounter.
- any associated open wound (S61.-)
What codes fall under S64.21? (3)
How long has S64.21 existed?
S64.21 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.