ICD-10-CM › M00-M99 › M60-M63 › M61 Calcification and ossification of muscle › M61.9
Calcification and ossification of muscle, unspecified
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 Calcification and ossification of muscle, unspecified
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.
- Ossification > muscle
- Calcification > muscle
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M61.0 | Myositis ossificans traumatica | Not billable |
| M61.1 | Myositis ossificans progressiva | Not billable |
| M61.2 | Paralytic calcification and ossification of muscle | Not billable |
| M61.3 | Calcification and ossification of muscles associated with burns | Not billable |
| M61.4 | Other calcification of muscle | Not billable |
| M61.5 | Other ossification of muscle | Not billable |