S79.091P — Other physeal fracture of upper end of right femur, subsequent encounter for fracture with malunion
Is S79.091P billable?
Yes — S79.091P is billable for FY2027. S79.091P is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S79.091P may be submitted for encounters from October 1, 2026 through September 30, 2027.
S79.091P at a glance
| Code | S79.091P |
|---|---|
| Description | Other physeal fracture of upper end of right femur, subsequent encounter for fracture with malunion |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "P" | subsequent encounter for fracture with malunion |
What does the 7th character "P" mean in S79.091P?
In S79.091P, the 7th character P means subsequent encounter for fracture with malunion. The 7th character is required for S79.091P to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
- Ainitial encounter for closed fractureS79.091A
- Dsubsequent encounter for fracture with routine healingS79.091D
- Gsubsequent encounter for fracture with delayed healingS79.091G
- Ksubsequent encounter for fracture with nonunionS79.091K
- Psubsequent encounter for fracture with malunionS79.091P
- SsequelaS79.091S
Which MS-DRGs does S79.091P group to?
S79.091P 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.
- 521Hip Replacement with Principal Diagnosis of Hip Fracture with MCCsurgical
- 522Hip Replacement with Principal Diagnosis of Hip Fracture without MCCsurgical
As a secondary diagnosis, S79.091P is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is S79.091P listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S79.09, the nearest indexed parent of S79.091P. Use them to find the family, then select the specific code.
- Fracture, traumatic › femur, femoral › upper end › physeal › specified NEC (abduction) (adduction) (separation)
Excludes1 — never code together — inherited from S79.0
The conditions below can never be reported together with S79.091P on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 19
Report an additional code alongside S79.091P to fully describe the condition. S79.091P 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 S79.091P, but a patient may have both at the same time. When documentation supports it, S79.091P and the excluded code may both be reported.
Excludes2 — not included here — inherited from S70-S79
The conditions below are not part of S79.091P, but a patient may have both at the same time. When documentation supports it, S79.091P and the excluded code may both be reported.
How long has S79.091P existed?
S79.091P 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.