S89.121P — Salter-Harris Type II physeal fracture of lower end of right tibia, subsequent encounter for fracture with malunion
Is S89.121P billable?
Yes — S89.121P is billable for FY2027. S89.121P is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S89.121P may be submitted for encounters from October 1, 2026 through September 30, 2027.
S89.121P at a glance
| Code | S89.121P |
|---|---|
| Description | Salter-Harris Type II physeal fracture of lower end of right tibia, 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 S89.121P?
In S89.121P, the 7th character P means subsequent encounter for fracture with malunion. The 7th character is required for S89.121P to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
- Ainitial encounter for closed fractureS89.121A
- Dsubsequent encounter for fracture with routine healingS89.121D
- Gsubsequent encounter for fracture with delayed healingS89.121G
- Ksubsequent encounter for fracture with nonunionS89.121K
- Psubsequent encounter for fracture with malunionS89.121P
- SsequelaS89.121S
Which MS-DRGs does S89.121P group to?
S89.121P sits in MDC 08 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCCmedical
- 565Other Musculoskeletal System and Connective Tissue Diagnoses with CCmedical
- 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCCmedical
As a secondary diagnosis, S89.121P is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is S89.121P listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S89.12, the nearest indexed parent of S89.121P. Use them to find the family, then select the specific code.
- Fracture, traumatic › tibia › lower end › physeal › Salter-Harris › Type II (abduction) (adduction) (separation)
Use additional code — inherited from Chapter 19
Report an additional code alongside S89.121P to fully describe the condition. S89.121P 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 S89.121P, but a patient may have both at the same time. When documentation supports it, S89.121P and the excluded code may both be reported.
Excludes2 — not included here — inherited from S80-S89
The conditions below are not part of S89.121P, but a patient may have both at the same time. When documentation supports it, S89.121P and the excluded code may both be reported.
Excludes2 — not included here — inherited from S89
The conditions below are not part of S89.121P, but a patient may have both at the same time. When documentation supports it, S89.121P and the excluded code may both be reported.
- other and unspecified injuries of ankle and foot (S99.-)
How long has S89.121P existed?
S89.121P 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.