I87.023 — Postthrombotic syndrome with inflammation of bilateral lower extremity
Is I87.023 billable?
Yes — I87.023 is billable for FY2027. I87.023 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I87.023 may be submitted for encounters from October 1, 2026 through September 30, 2027.
I87.023 at a glance
| Code | I87.023 |
|---|---|
| Description | Postthrombotic syndrome with inflammation of bilateral lower extremity |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does I87.023 group to?
I87.023 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 I87.023 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under I87.02, the nearest indexed parent of I87.023. 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 I87.023 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 I87.023, but a patient may have both at the same time. When documentation supports it, I87.023 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 I87.023 existed?
I87.023 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.