| ICD-10 Code | Description |
| M60.80 | Other myositis, unspecified site |
| M60.811 | Other myositis, right shoulder |
| M60.812 | Other myositis, left shoulder |
| M60.819 | Other myositis, unspecified shoulder |
| M60.821 | Other myositis, right upper arm |
| M60.822 | Other myositis, left upper arm |
| M60.829 | Other myositis, unspecified upper arm |
| M60.831 | Other myositis, right forearm |
| M60.832 | Other myositis, left forearm |
| M60.839 | Other myositis, unspecified forearm |
| M60.841 | Other myositis, right hand |
| M60.842 | Other myositis, left hand |
| M60.849 | Other myositis, unspecified hand |
| M60.851 | Other myositis, right thigh |
| M60.852 | Other myositis, left thigh |
| M60.859 | Other myositis, unspecified thigh |
| M60.861 | Other myositis, right lower leg |
| M60.862 | Other myositis, left lower leg |
| M60.869 | Other myositis, unspecified lower leg |
| M60.871 | Other myositis, right ankle and foot |
| M60.872 | Other myositis, left ankle and foot |
| M60.879 | Other myositis, unspecified ankle and foot |
| M60.88 | Other myositis, other site |
| M60.89 | Other myositis, multiple sites |
