S10.90XA — Unspecified superficial injury of unspecified part of neck, initial encounter
Is S10.90XA billable?
Yes, but S10.90XA is an unspecified code. S10.90XA is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S10.90XA 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 S10.90XA — the more specific alternatives are listed below.
More specific alternatives
S10.90XA at a glance
| Code | S10.90XA |
|---|---|
| Description | Unspecified superficial injury of unspecified part of neck, 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 S10.90XA?
In S10.90XA, the 7th character A means initial encounter. The 7th character is required for S10.90XA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S10.90XA group to?
S10.90XA sits in MDC 09 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.
- 604Trauma to the Skin, Subcutaneous Tissue and Breast with MCCmedical
- 605Trauma to the Skin, Subcutaneous Tissue and Breast without MCCmedical
How is S10.90XA listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S10.90, the nearest indexed parent of S10.90XA. Use them to find the family, then select the specific code.
- Injury › superficial NEC › neck
Use additional code — inherited from Chapter 19
Report an additional code alongside S10.90XA to fully describe the condition. S10.90XA 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 S10.90XA, but a patient may have both at the same time. When documentation supports it, S10.90XA and the excluded code may both be reported.
Excludes2 — not included here — inherited from S10-S19
The conditions below are not part of S10.90XA, but a patient may have both at the same time. When documentation supports it, S10.90XA and the excluded code may both be reported.
How long has S10.90XA existed?
S10.90XA 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.