S99.099S — Other physeal fracture of unspecified calcaneus, sequela
Is S99.099S billable?
Yes, but S99.099S is an unspecified code. S99.099S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S99.099S 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 S99.099S — the more specific alternatives are listed below.
S99.099S at a glance
| Code | S99.099S |
|---|---|
| Description | Other physeal fracture of unspecified calcaneus, 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 S99.099S?
In S99.099S, the 7th character S means sequela. The 7th character is required for S99.099S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
- Ainitial encounter for closed fractureS99.099A
- Binitial encounter for open fractureS99.099B
- Dsubsequent encounter for fracture with routine healingS99.099D
- Gsubsequent encounter for fracture with delayed healingS99.099G
- Ksubsequent encounter for fracture with nonunionS99.099K
- Psubsequent encounter for fracture with malunionS99.099P
- SsequelaS99.099S
Which MS-DRGs does S99.099S group to?
S99.099S 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 S99.099S listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S99.09, the nearest indexed parent of S99.099S. Use them to find the family, then select the specific code.
- Fracture, traumatic › tarsal bone › calcaneus › physeal › specified NEC (abduction) (adduction) (separation)
Use additional code — inherited from Chapter 19
Report an additional code alongside S99.099S to fully describe the condition. S99.099S 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 S99.099S, but a patient may have both at the same time. When documentation supports it, S99.099S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S90-S99
The conditions below are not part of S99.099S, but a patient may have both at the same time. When documentation supports it, S99.099S and the excluded code may both be reported.
How long has S99.099S existed?
S99.099S first appears in FY2018 (FY2017 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.