M61.177 — Myositis ossificans progressiva, right toe(s)
Is M61.177 billable?
Yes — M61.177 is billable for FY2027. M61.177 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M61.177 may be submitted for encounters from October 1, 2026 through September 30, 2027.
M61.177 at a glance
| Code | M61.177 |
|---|---|
| Description | Myositis ossificans progressiva, right toe(s) |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does M61.177 group to?
M61.177 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 M61.177 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M61.17, the nearest indexed parent of M61.177. Use them to find the family, then select the specific code.
- Myositis › ossificans or ossifying › progressiva › ankle
- Myositis › ossificans or ossifying › progressiva › foot
- Myositis › ossificans or ossifying › progressiva › toe
Excludes1 — never code together — inherited from M60-M63
The conditions below can never be reported together with M61.177 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M61.177, but a patient may have both at the same time. When documentation supports it, M61.177 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 M60-M63
The conditions below are not part of M61.177, but a patient may have both at the same time. When documentation supports it, M61.177 and the excluded code may both be reported.
- muscular dystrophies and myopathies (G71-G72)
How long has M61.177 existed?
M61.177 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.
What other codes are in the M61.17 family? (8)
- M61.171Myositis ossificans progressiva, right ankle
- M61.172Myositis ossificans progressiva, left ankle
- M61.173Myositis ossificans progressiva, unspecified ankle
- M61.174Myositis ossificans progressiva, right foot
- M61.175Myositis ossificans progressiva, left foot
- M61.176Myositis ossificans progressiva, unspecified foot
- M61.178Myositis ossificans progressiva, left toe(s)
- M61.179Myositis ossificans progressiva, unspecified toe(s)