| M60.10 | Interstitial myositis of unspecified site | BILLABLE CODE |
| M60.11 | Interstitial myositis, shoulder | NON-BILLABLE CODE |
| M60.111 | Interstitial myositis, right shoulder | BILLABLE CODE |
| M60.112 | Interstitial myositis, left shoulder | BILLABLE CODE |
| M60.119 | Interstitial myositis, unspecified shoulder | BILLABLE CODE |
| M60.12 | Interstitial myositis, upper arm | NON-BILLABLE CODE |
| M60.121 | Interstitial myositis, right upper arm | BILLABLE CODE |
| M60.122 | Interstitial myositis, left upper arm | BILLABLE CODE |
| M60.129 | Interstitial myositis, unspecified upper arm | BILLABLE CODE |
| M60.13 | Interstitial myositis, forearm | NON-BILLABLE CODE |
| M60.131 | Interstitial myositis, right forearm | BILLABLE CODE |
| M60.132 | Interstitial myositis, left forearm | BILLABLE CODE |
| M60.139 | Interstitial myositis, unspecified forearm | BILLABLE CODE |
| M60.14 | Interstitial myositis, hand | NON-BILLABLE CODE |
| M60.141 | Interstitial myositis, right hand | BILLABLE CODE |
| M60.142 | Interstitial myositis, left hand | BILLABLE CODE |
| M60.149 | Interstitial myositis, unspecified hand | BILLABLE CODE |
| M60.15 | Interstitial myositis, thigh | NON-BILLABLE CODE |
| M60.151 | Interstitial myositis, right thigh | BILLABLE CODE |
| M60.152 | Interstitial myositis, left thigh | BILLABLE CODE |
| M60.159 | Interstitial myositis, unspecified thigh | BILLABLE CODE |
| M60.16 | Interstitial myositis, lower leg | NON-BILLABLE CODE |
| M60.161 | Interstitial myositis, right lower leg | BILLABLE CODE |
| M60.162 | Interstitial myositis, left lower leg | BILLABLE CODE |
| M60.169 | Interstitial myositis, unspecified lower leg | BILLABLE CODE |
| M60.17 | Interstitial myositis, ankle and foot | NON-BILLABLE CODE |
| M60.171 | Interstitial myositis, right ankle and foot | BILLABLE CODE |
| M60.172 | Interstitial myositis, left ankle and foot | BILLABLE CODE |
| M60.179 | Interstitial myositis, unspecified ankle and foot | BILLABLE CODE |
| M60.18 | Interstitial myositis, other site | BILLABLE CODE |
| M60.19 | Interstitial myositis, multiple sites | BILLABLE CODE |
