I87.029 — Postthrombotic syndrome with inflammation of unspecified lower extremity
Is I87.029 billable?
Yes, but I87.029 is an unspecified code. I87.029 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, I87.029 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 I87.029 — the more specific alternatives are listed below.
I87.029 at a glance
| Code | I87.029 |
|---|---|
| Description | Postthrombotic syndrome with inflammation of unspecified lower extremity |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does I87.029 group to?
I87.029 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 I87.029 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under I87.02, the nearest indexed parent of I87.029. Use them to find the family, then select the specific code.
- Syndrome › postthrombotic › with › inflammation
Excludes1 — never code together — inherited from I87.0
The conditions below can never be reported together with I87.029 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- chronic venous hypertension without deep vein thrombosis (I87.3-)
Excludes2 — not included here — inherited from Chapter 9
The conditions below are not part of I87.029, but a patient may have both at the same time. When documentation supports it, I87.029 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
How long has I87.029 existed?
I87.029 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.