M33.21 – Polymyositis with respiratory involvement
Coding Notes
Active
Billable, valid for HIPAA-covered transactions
GEM Conversion to ICD-9 CM
Fs: 10111
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Polymyositis
MDC / MS-DRG Reference
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Sibling Codes
Parent Sibling Codes
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| Code | Title |
|---|---|
| M00-M99 | Diseases of the musculoskeletal system and connective tissue (M00-M99) |
| M30-M36 | Systemic connective tissue disorders (M30-M36) |
| M33 | Dermatopolymyositis |
| M33.2 | Polymyositis |
| M33.21 | Polymyositis with respiratory involvement |