S73.109A — Unspecified sprain of unspecified hip, initial encounter
Is S73.109A billable?
Yes, but S73.109A is an unspecified code. S73.109A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S73.109A 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 S73.109A — the more specific alternatives are listed below.
S73.109A at a glance
| Code | S73.109A |
|---|---|
| Description | Unspecified sprain of unspecified hip, 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 S73.109A?
In S73.109A, the 7th character A means initial encounter. The 7th character is required for S73.109A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S73.109A group to?
S73.109A sits in MDC 08 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.
- 537Sprains, Strains, and Dislocations of Hip, Pelvis and Thigh with CC/MCCmedical
- 538Sprains, Strains, and Dislocations of Hip, Pelvis and Thigh without CC/MCCmedical
How is S73.109A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S73.10, the nearest indexed parent of S73.109A. Use them to find the family, then select the specific code.
- Sprain › hip (joint) (ligament)
Use additional code — inherited from Chapter 19
Report an additional code alongside S73.109A to fully describe the condition. S73.109A 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 S73.109A, but a patient may have both at the same time. When documentation supports it, S73.109A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S70-S79
The conditions below are not part of S73.109A, but a patient may have both at the same time. When documentation supports it, S73.109A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S73
The conditions below are not part of S73.109A, but a patient may have both at the same time. When documentation supports it, S73.109A and the excluded code may both be reported.
- strain of muscle, fascia and tendon of hip and thigh (S76.-)
Code also — inherited from S73
Two codes may be needed to describe the condition fully. Whether S73.109A is sequenced first depends on the reason for the encounter.
- any associated open wound
How long has S73.109A existed?
S73.109A 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.