S85.189S — Other specified injury of posterior tibial artery, unspecified leg, sequela
Is S85.189S billable?
Yes, but S85.189S is an unspecified code. S85.189S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S85.189S 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 S85.189S — the more specific alternatives are listed below.
S85.189S at a glance
| Code | S85.189S |
|---|---|
| Description | Other specified injury of posterior tibial artery, unspecified leg, 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 S85.189S?
In S85.189S, the 7th character S means sequela. The 7th character is required for S85.189S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S85.189S group to?
S85.189S sits in MDC 05 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.
- 299Peripheral Vascular Disorders with MCCmedical
- 300Peripheral Vascular Disorders with CCmedical
- 301Peripheral Vascular Disorders without CC/MCCmedical
How is S85.189S listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S85.18, the nearest indexed parent of S85.189S. Use them to find the family, then select the specific code.
- Injury › blood vessel NEC › tibial artery › posterior › specified injury NEC
Use additional code — inherited from Chapter 19
Report an additional code alongside S85.189S to fully describe the condition. S85.189S 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 S85.189S, but a patient may have both at the same time. When documentation supports it, S85.189S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S80-S89
The conditions below are not part of S85.189S, but a patient may have both at the same time. When documentation supports it, S85.189S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S85
The conditions below are not part of S85.189S, but a patient may have both at the same time. When documentation supports it, S85.189S and the excluded code may both be reported.
- injury of blood vessels at ankle and foot level (S95.-)
Code also — inherited from S85
Two codes may be needed to describe the condition fully. Whether S85.189S is sequenced first depends on the reason for the encounter.
- any associated open wound (S81.-)
How long has S85.189S existed?
S85.189S 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.