S49.90XA — Unspecified injury of shoulder and upper arm, unspecified arm, initial encounter
Is S49.90XA billable?
Yes, but S49.90XA is an unspecified code. S49.90XA is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S49.90XA 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 S49.90XA.
S49.90XA at a glance
| Code | S49.90XA |
|---|---|
| Description | Unspecified injury of shoulder and upper arm, 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 S49.90XA?
In S49.90XA, the 7th character A means initial encounter. The 7th character is required for S49.90XA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S49.90XA group to?
S49.90XA sits in MDC 21 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.
- 913Traumatic Injury with MCCmedical
- 914Traumatic Injury without MCCmedical
How is S49.90XA listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S49.9, the nearest indexed parent of S49.90XA. Use them to find the family, then select the specific code.
- Injury › arm
- Injury › shoulder
Use additional code — inherited from Chapter 19
Report an additional code alongside S49.90XA to fully describe the condition. S49.90XA 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 S49.90XA, but a patient may have both at the same time. When documentation supports it, S49.90XA and the excluded code may both be reported.
Excludes2 — not included here — inherited from S40-S49
The conditions below are not part of S49.90XA, but a patient may have both at the same time. When documentation supports it, S49.90XA and the excluded code may both be reported.
How long has S49.90XA existed?
S49.90XA 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.