S54.0 — Injury of ulnar nerve at forearm level
Is S54.0 billable?
No — S54.0 is a non-billable header code. S54.0 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 9 billable codes beneath S54.0.
Billable codes under this header
- S54.00XAInjury of ulnar nerve at forearm level, unspecified arm, initial encounter
- S54.00XDInjury of ulnar nerve at forearm level, unspecified arm, subsequent encounter
- S54.00XSInjury of ulnar nerve at forearm level, unspecified arm, sequela
- S54.01XAInjury of ulnar nerve at forearm level, right arm, initial encounter
- S54.01XDInjury of ulnar nerve at forearm level, right arm, subsequent encounter
- S54.01XSInjury of ulnar nerve at forearm level, right arm, sequela
- S54.02XAInjury of ulnar nerve at forearm level, left arm, initial encounter
- S54.02XDInjury of ulnar nerve at forearm level, left arm, subsequent encounter
- S54.02XSInjury of ulnar nerve at forearm level, left arm, sequela
S54.0 at a glance
| Code | S54.0 |
|---|---|
| Description | Injury of ulnar nerve at forearm level |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S54.0 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to S54.0. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Injury › nerve NEC › ulnar
Inclusion terms
Alternative wording in documentation that is classified to S54.0.
- Injury of ulnar nerve NOS
Use additional code — inherited from Chapter 19
Report an additional code alongside S54.0 to fully describe the condition. S54.0 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 S54.0, but a patient may have both at the same time. When documentation supports it, S54.0 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S50-S59
The conditions below are not part of S54.0, but a patient may have both at the same time. When documentation supports it, S54.0 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S54
The conditions below are not part of S54.0, but a patient may have both at the same time. When documentation supports it, S54.0 and the excluded code may both be reported.
- injury of nerves at wrist and hand level (S64.-)
Code also — inherited from S54
Two codes may be needed to describe the condition fully. Whether S54.0 is sequenced first depends on the reason for the encounter.
- any associated open wound (S51.-)
What codes fall under S54.0? (3)
How long has S54.0 existed?
S54.0 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.
Which codes are confused with S54.0?
ICD-10-CM declares these codes mutually exclusive with S54.0 — exactly one of each pair can be correct for a given encounter.