ICD-10-CM › M00-M99 › M30-M36 › M33.2 Polymyositis › M33.22
Polymyositis with myopathy
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 Polymyositis with myopathy
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 M30-M36 section Systemic connective tissue disorders (M30-M36)
Excludes1 - never coded here
- autoimmune disease, single organ or single cell-type -code to relevant condition category
Includes
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
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.
- Hemorrhage, hemorrhagic > polymyositis
- Polymyositis > with > myopathy
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M33.20 | Polymyositis, organ involvement unspecified | Valid |
| M33.21 | Polymyositis with respiratory involvement | Valid |
| M33.29 | Polymyositis with other organ involvement | Valid |