ICD-10-CM › M00-M99 › M60-M63 › M61.5 Other ossification of muscle › M61.50
Other ossification of muscle, unspecified site
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Other ossification of muscle, unspecified site
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from the M60-M63 section Disorders of muscles (M60-M63)
Excludes1 - never coded here
- dermatopolymyositis (M33.-)
- myopathy in amyloidosis (E85.-)
- myopathy in polyarteritis nodosa (M30.0)
- myopathy in rheumatoid arthritis (M05.32)
- myopathy in scleroderma (M34.-)
- myopathy in Sjögren's syndrome (M35.03)
- myopathy in systemic lupus erythematosus (M32.-)
Excludes2 - not included here
- muscular dystrophies and myopathies (G71-G72)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Myofasciitis
- Rider's bone
- Münchmeyer's syndrome
- Calcification > massive
- Polymyositis > ossificans
- Ossification > rider's bone
- Ossification > muscle > paralytic
- Ossification > muscle > traumatic
- Calcification > muscle > paralytic
- Myositis > ossificans or ossifying
- Ossification > muscle > progressive
- Ossification > muscle > due to burns
- Calcification > muscle > due to burns
- Fibrodysplasia ossificans progressiva
- Disease, diseased > muscle > inflammatory
- Disease, diseased > fascia NEC > inflammatory
- Inflammation, inflamed, inflammatory > fascia
- Inflammation, inflamed, inflammatory > muscle
- Ossification > muscle > specified NEC
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M61.51 | Other ossification of muscle, shoulder | Not billable |
| M61.52 | Other ossification of muscle, upper arm | Not billable |
| M61.53 | Other ossification of muscle, forearm | Not billable |
| M61.54 | Other ossification of muscle, hand | Not billable |
| M61.55 | Other ossification of muscle, thigh | Not billable |
| M61.56 | Other ossification of muscle, lower leg | Not billable |
| M61.57 | Other ossification of muscle, ankle and foot | Not billable |
| M61.58 | Other ossification of muscle, other site | Valid |
| M61.59 | Other ossification of muscle, multiple sites | Valid |