| M85 | Other disorders of bone density and structure |
| M850 | Fibrous dysplasia (monostotic) |
| M8500 | Fibrous dysplasia (monostotic), unspecified site |
| M8501 | Fibrous dysplasia (monostotic), shoulder |
| M85011 | Fibrous dysplasia (monostotic), right shoulder |
| M85012 | Fibrous dysplasia (monostotic), left shoulder |
| M85019 | Fibrous dysplasia (monostotic), unspecified shoulder |
| M8502 | Fibrous dysplasia (monostotic), upper arm |
| M85021 | Fibrous dysplasia (monostotic), right upper arm |
| M85022 | Fibrous dysplasia (monostotic), left upper arm |
| M85029 | Fibrous dysplasia (monostotic), unspecified upper arm |
| M8503 | Fibrous dysplasia (monostotic), forearm |
| M85031 | Fibrous dysplasia (monostotic), right forearm |
| M85032 | Fibrous dysplasia (monostotic), left forearm |
| M85039 | Fibrous dysplasia (monostotic), unspecified forearm |
| M8504 | Fibrous dysplasia (monostotic), hand |
| M85041 | Fibrous dysplasia (monostotic), right hand |
| M85042 | Fibrous dysplasia (monostotic), left hand |
| M85049 | Fibrous dysplasia (monostotic), unspecified hand |
| M8505 | Fibrous dysplasia (monostotic), thigh |
| M85051 | Fibrous dysplasia (monostotic), right thigh |
| M85052 | Fibrous dysplasia (monostotic), left thigh |
| M85059 | Fibrous dysplasia (monostotic), unspecified thigh |
| M8506 | Fibrous dysplasia (monostotic), lower leg |
| M85061 | Fibrous dysplasia (monostotic), right lower leg |
| M85062 | Fibrous dysplasia (monostotic), left lower leg |
| M85069 | Fibrous dysplasia (monostotic), unspecified lower leg |
| M8507 | Fibrous dysplasia (monostotic), ankle and foot |
| M85071 | Fibrous dysplasia (monostotic), right ankle and foot |
| M85072 | Fibrous dysplasia (monostotic), left ankle and foot |
| M85079 | Fibrous dysplasia (monostotic), unspecified ankle and foot |
| M8508 | Fibrous dysplasia (monostotic), other site |
| M8509 | Fibrous dysplasia (monostotic), multiple sites |
| M851 | Skeletal fluorosis |
| M8510 | Skeletal fluorosis, unspecified site |
| M8511 | Skeletal fluorosis, shoulder |
| M85111 | Skeletal fluorosis, right shoulder |
| M85112 | Skeletal fluorosis, left shoulder |
| M85119 | Skeletal fluorosis, unspecified shoulder |
| M8512 | Skeletal fluorosis, upper arm |
| M85121 | Skeletal fluorosis, right upper arm |
| M85122 | Skeletal fluorosis, left upper arm |
| M85129 | Skeletal fluorosis, unspecified upper arm |
| M8513 | Skeletal fluorosis, forearm |
| M85131 | Skeletal fluorosis, right forearm |
| M85132 | Skeletal fluorosis, left forearm |
| M85139 | Skeletal fluorosis, unspecified forearm |
| M8514 | Skeletal fluorosis, hand |
| M85141 | Skeletal fluorosis, right hand |
| M85142 | Skeletal fluorosis, left hand |