| ICD-10 Code | Description |
| M33.00 | Juvenile dermatomyositis, organ involvement unspecified |
| M33.01 | Juvenile dermatomyositis with respiratory involvement |
| M33.02 | Juvenile dermatomyositis with myopathy |
| M33.03 | Juvenile dermatomyositis without myopathy |
| M33.09 | Juvenile dermatomyositis with other organ involvement |
| M33.10 | Other dermatomyositis, organ involvement unspecified |
| M33.11 | Other dermatomyositis with respiratory involvement |
| M33.12 | Other dermatomyositis with myopathy |
| M33.13 | Other dermatomyositis without myopathy |
| M33.19 | Other dermatomyositis with other organ involvement |
| M33.20 | Polymyositis, organ involvement unspecified |
| M33.21 | Polymyositis with respiratory involvement |
| M33.22 | Polymyositis with myopathy |
| M33.29 | Polymyositis with other organ involvement |
| M33.90 | Dermatopolymyositis, unspecified, organ involvement unspecified |
| M33.91 | Dermatopolymyositis, unspecified with respiratory involvement |
| M33.92 | Dermatopolymyositis, unspecified with myopathy |
| M33.93 | Dermatopolymyositis, unspecified without myopathy |
| M33.99 | Dermatopolymyositis, unspecified with other organ involvement |
