M25.771 — Osteophyte, right ankle
Is M25.771 billable?
Yes — M25.771 is billable for FY2027. M25.771 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M25.771 may be submitted for encounters from October 1, 2026 through September 30, 2027.
M25.771 at a glance
| Code | M25.771 |
|---|---|
| Description | Osteophyte, right ankle |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does M25.771 group to?
M25.771 sits in MDC 08 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.
- 557Tendonitis, Myositis and Bursitis with MCCmedical
- 558Tendonitis, Myositis and Bursitis without MCCmedical
How is M25.771 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M25.77, the nearest indexed parent of M25.771. Use them to find the family, then select the specific code.
- Osteophyte › ankle
- Osteophyte › foot joint
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M25.771, but a patient may have both at the same time. When documentation supports it, M25.771 and the excluded code may both be reported.
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- 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)
Excludes2 — not included here — inherited from M20-M25
The conditions below are not part of M25.771, but a patient may have both at the same time. When documentation supports it, M25.771 and the excluded code may both be reported.
- joints of the spine (M40-M54)
Excludes2 — not included here — inherited from M25
The conditions below are not part of M25.771, but a patient may have both at the same time. When documentation supports it, M25.771 and the excluded code may both be reported.
How long has M25.771 existed?
M25.771 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.