| M85.00 | Fibrous dysplasia (monostotic), unspecified site | BILLABLE CODE |
| M85.01 | Fibrous dysplasia (monostotic), shoulder | NON-BILLABLE CODE |
| M85.011 | Fibrous dysplasia (monostotic), right shoulder | BILLABLE CODE |
| M85.012 | Fibrous dysplasia (monostotic), left shoulder | BILLABLE CODE |
| M85.019 | Fibrous dysplasia (monostotic), unspecified shoulder | BILLABLE CODE |
| M85.02 | Fibrous dysplasia (monostotic), upper arm | NON-BILLABLE CODE |
| M85.021 | Fibrous dysplasia (monostotic), right upper arm | BILLABLE CODE |
| M85.022 | Fibrous dysplasia (monostotic), left upper arm | BILLABLE CODE |
| M85.029 | Fibrous dysplasia (monostotic), unspecified upper arm | BILLABLE CODE |
| M85.03 | Fibrous dysplasia (monostotic), forearm | NON-BILLABLE CODE |
| M85.031 | Fibrous dysplasia (monostotic), right forearm | BILLABLE CODE |
| M85.032 | Fibrous dysplasia (monostotic), left forearm | BILLABLE CODE |
| M85.039 | Fibrous dysplasia (monostotic), unspecified forearm | BILLABLE CODE |
| M85.04 | Fibrous dysplasia (monostotic), hand | NON-BILLABLE CODE |
| M85.041 | Fibrous dysplasia (monostotic), right hand | BILLABLE CODE |
| M85.042 | Fibrous dysplasia (monostotic), left hand | BILLABLE CODE |
| M85.049 | Fibrous dysplasia (monostotic), unspecified hand | BILLABLE CODE |
| M85.05 | Fibrous dysplasia (monostotic), thigh | NON-BILLABLE CODE |
| M85.051 | Fibrous dysplasia (monostotic), right thigh | BILLABLE CODE |
| M85.052 | Fibrous dysplasia (monostotic), left thigh | BILLABLE CODE |
| M85.059 | Fibrous dysplasia (monostotic), unspecified thigh | BILLABLE CODE |
| M85.06 | Fibrous dysplasia (monostotic), lower leg | NON-BILLABLE CODE |
| M85.061 | Fibrous dysplasia (monostotic), right lower leg | BILLABLE CODE |
| M85.062 | Fibrous dysplasia (monostotic), left lower leg | BILLABLE CODE |
| M85.069 | Fibrous dysplasia (monostotic), unspecified lower leg | BILLABLE CODE |
| M85.07 | Fibrous dysplasia (monostotic), ankle and foot | NON-BILLABLE CODE |
| M85.071 | Fibrous dysplasia (monostotic), right ankle and foot | BILLABLE CODE |
| M85.072 | Fibrous dysplasia (monostotic), left ankle and foot | BILLABLE CODE |
| M85.079 | Fibrous dysplasia (monostotic), unspecified ankle and foot | BILLABLE CODE |
| M85.08 | Fibrous dysplasia (monostotic), other site | BILLABLE CODE |
| M85.09 | Fibrous dysplasia (monostotic), multiple sites | BILLABLE CODE |
