S44.8X9A — Injury of other nerves at shoulder and upper arm level, unspecified arm, initial encounter
Is S44.8X9A billable?
Yes, but S44.8X9A is an unspecified code. S44.8X9A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S44.8X9A is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting S44.8X9A — the more specific alternatives are listed below.
S44.8X9A at a glance
| Code | S44.8X9A |
|---|---|
| Description | Injury of other nerves at shoulder and upper arm level, unspecified arm, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in S44.8X9A?
In S44.8X9A, the 7th character A means initial encounter. The 7th character is required for S44.8X9A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S44.8X9A group to?
S44.8X9A sits in MDC 01 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 073Cranial and Peripheral Nerve Disorders with MCCmedical
- 074Cranial and Peripheral Nerve Disorders without MCCmedical
Use additional code — inherited from Chapter 19
Report an additional code alongside S44.8X9A to fully describe the condition. S44.8X9A 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 S44.8X9A, but a patient may have both at the same time. When documentation supports it, S44.8X9A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S40-S49
The conditions below are not part of S44.8X9A, but a patient may have both at the same time. When documentation supports it, S44.8X9A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S44
The conditions below are not part of S44.8X9A, but a patient may have both at the same time. When documentation supports it, S44.8X9A 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 S44.8X9A is sequenced first depends on the reason for the encounter.
- any associated open wound (S41.-)
How long has S44.8X9A existed?
S44.8X9A 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.