S09.10XS — Unspecified injury of muscle and tendon of head, sequela
Is S09.10XS billable?
Yes, but S09.10XS is an unspecified code. S09.10XS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S09.10XS 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 S09.10XS — the more specific alternatives are listed below.
S09.10XS at a glance
| Code | S09.10XS |
|---|---|
| Description | Unspecified injury of muscle and tendon of head, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in S09.10XS?
In S09.10XS, the 7th character S means sequela. The 7th character is required for S09.10XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S09.10XS group to?
S09.10XS 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 S09.10XS listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S09.10, the nearest indexed parent of S09.10XS. Use them to find the family, then select the specific code.
- Injury › muscle › head
Inclusion terms
Alternative wording in documentation that is classified to S09.10XS.
- Injury of muscle and tendon of head NOS
Use additional code — inherited from Chapter 19
Report an additional code alongside S09.10XS to fully describe the condition. S09.10XS 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 S09.10XS, but a patient may have both at the same time. When documentation supports it, S09.10XS and the excluded code may both be reported.
Excludes2 — not included here — inherited from S00-S09
The conditions below are not part of S09.10XS, but a patient may have both at the same time. When documentation supports it, S09.10XS and the excluded code may both be reported.
- burns and corrosions (T20-T32)
- effects of foreign body in ear (T16)
- effects of foreign body in larynx (T17.3)
- effects of foreign body in mouth NOS (T18.0)
- effects of foreign body in nose (T17.0-T17.1)
- effects of foreign body in pharynx (T17.2)
- effects of foreign body on external eye (T15.-)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Excludes2 — not included here — inherited from S09.1
The conditions below are not part of S09.10XS, but a patient may have both at the same time. When documentation supports it, S09.10XS and the excluded code may both be reported.
- sprain to joints and ligament of head (S03.9)
Code also — inherited from S00-S09
Two codes may be needed to describe the condition fully. Whether S09.10XS is sequenced first depends on the reason for the encounter.
- for any associated infection
Code also — inherited from S09.1
Two codes may be needed to describe the condition fully. Whether S09.10XS is sequenced first depends on the reason for the encounter.
- any associated open wound (S01.-)
How long has S09.10XS existed?
S09.10XS 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.