S44.9 — Injury of unspecified nerve at shoulder and upper arm level
Is S44.9 billable?
No — S44.9 is a non-billable header code. S44.9 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 S44.9.
Billable codes under this header
- S44.90XAInjury of unspecified nerve at shoulder and upper arm level, unspecified arm, initial encounter
- S44.90XDInjury of unspecified nerve at shoulder and upper arm level, unspecified arm, subsequent encounter
- S44.90XSInjury of unspecified nerve at shoulder and upper arm level, unspecified arm, sequela
- S44.91XAInjury of unspecified nerve at shoulder and upper arm level, right arm, initial encounter
- S44.91XDInjury of unspecified nerve at shoulder and upper arm level, right arm, subsequent encounter
- S44.91XSInjury of unspecified nerve at shoulder and upper arm level, right arm, sequela
- S44.92XAInjury of unspecified nerve at shoulder and upper arm level, left arm, initial encounter
- S44.92XDInjury of unspecified nerve at shoulder and upper arm level, left arm, subsequent encounter
- S44.92XSInjury of unspecified nerve at shoulder and upper arm level, left arm, sequela
S44.9 at a glance
| Code | S44.9 |
|---|---|
| Description | Injury of unspecified nerve at shoulder and upper arm level |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S44.9 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to S44.9. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Injury › nerve NEC › arm
Use additional code — inherited from Chapter 19
Report an additional code alongside S44.9 to fully describe the condition. S44.9 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 S44.9, but a patient may have both at the same time. When documentation supports it, S44.9 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S40-S49
The conditions below are not part of S44.9, but a patient may have both at the same time. When documentation supports it, S44.9 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S44
The conditions below are not part of S44.9, but a patient may have both at the same time. When documentation supports it, S44.9 and the excluded code may both be reported.
- injury of brachial plexus (S14.3-)
Code also — inherited from S44
Two codes may be needed to describe the condition fully. Whether S44.9 is sequenced first depends on the reason for the encounter.
- any associated open wound (S41.-)
What codes fall under S44.9? (3)
How long has S44.9 existed?
S44.9 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.
What other codes are in the S44 family? (7)
- S44.0Injury of ulnar nerve at upper arm levelnot billable
- S44.1Injury of median nerve at upper arm levelnot billable
- S44.2Injury of radial nerve at upper arm levelnot billable
- S44.3Injury of axillary nervenot billable
- S44.4Injury of musculocutaneous nervenot billable
- S44.5Injury of cutaneous sensory nerve at shoulder and upper arm levelnot billable
- S44.8Injury of other nerves at shoulder and upper arm levelnot billable