| M61.50 | Other ossification of muscle, unspecified site | BILLABLE CODE |
| M61.51 | Other ossification of muscle, shoulder | NON-BILLABLE CODE |
| M61.511 | Other ossification of muscle, right shoulder | BILLABLE CODE |
| M61.512 | Other ossification of muscle, left shoulder | BILLABLE CODE |
| M61.519 | Other ossification of muscle, unspecified shoulder | BILLABLE CODE |
| M61.52 | Other ossification of muscle, upper arm | NON-BILLABLE CODE |
| M61.521 | Other ossification of muscle, right upper arm | BILLABLE CODE |
| M61.522 | Other ossification of muscle, left upper arm | BILLABLE CODE |
| M61.529 | Other ossification of muscle, unspecified upper arm | BILLABLE CODE |
| M61.53 | Other ossification of muscle, forearm | NON-BILLABLE CODE |
| M61.531 | Other ossification of muscle, right forearm | BILLABLE CODE |
| M61.532 | Other ossification of muscle, left forearm | BILLABLE CODE |
| M61.539 | Other ossification of muscle, unspecified forearm | BILLABLE CODE |
| M61.54 | Other ossification of muscle, hand | NON-BILLABLE CODE |
| M61.541 | Other ossification of muscle, right hand | BILLABLE CODE |
| M61.542 | Other ossification of muscle, left hand | BILLABLE CODE |
| M61.549 | Other ossification of muscle, unspecified hand | BILLABLE CODE |
| M61.55 | Other ossification of muscle, thigh | NON-BILLABLE CODE |
| M61.551 | Other ossification of muscle, right thigh | BILLABLE CODE |
| M61.552 | Other ossification of muscle, left thigh | BILLABLE CODE |
| M61.559 | Other ossification of muscle, unspecified thigh | BILLABLE CODE |
| M61.56 | Other ossification of muscle, lower leg | NON-BILLABLE CODE |
| M61.561 | Other ossification of muscle, right lower leg | BILLABLE CODE |
| M61.562 | Other ossification of muscle, left lower leg | BILLABLE CODE |
| M61.569 | Other ossification of muscle, unspecified lower leg | BILLABLE CODE |
| M61.57 | Other ossification of muscle, ankle and foot | NON-BILLABLE CODE |
| M61.571 | Other ossification of muscle, right ankle and foot | BILLABLE CODE |
| M61.572 | Other ossification of muscle, left ankle and foot | BILLABLE CODE |
| M61.579 | Other ossification of muscle, unspecified ankle and foot | BILLABLE CODE |
| M61.58 | Other ossification of muscle, other site | BILLABLE CODE |
| M61.59 | Other ossification of muscle, multiple sites | BILLABLE CODE |
