ICD-10-CM category
M85: Other disorders of bone density and structure
Codes under M85 (Other disorders of bone density and structure). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| M85.0 | Fibrous dysplasia (monostotic) | — |
| M85.0 | Fibrous dysplasia (monostotic) | — |
| M85.00 | Fibrous dysplasia (monostotic), unspecified site | ✓ |
| M85.00 | Fibrous dysplasia (monostotic), unspecified site | ✓ |
| M85.01 | Fibrous dysplasia (monostotic), shoulder | — |
| M85.01 | Fibrous dysplasia (monostotic), shoulder | — |
| M85.1 | Skeletal fluorosis | — |
| M85.1 | Skeletal fluorosis | — |
| M85.02 | Fibrous dysplasia (monostotic), upper arm | — |
| M85.02 | Fibrous dysplasia (monostotic), upper arm | — |
| M85.2 | Hyperostosis of skull | ✓ |
| M85.2 | Hyperostosis of skull | ✓ |
| M85.03 | Fibrous dysplasia (monostotic), forearm | — |
| M85.03 | Fibrous dysplasia (monostotic), forearm | — |
| M85.3 | Osteitis condensans | — |
| M85.3 | Osteitis condensans | — |
| M85.04 | Fibrous dysplasia (monostotic), hand | — |
| M85.04 | Fibrous dysplasia (monostotic), hand | — |
| M85.4 | Solitary bone cyst | — |
| M85.4 | Solitary bone cyst | — |
| M85.05 | Fibrous dysplasia (monostotic), thigh | — |
| M85.05 | Fibrous dysplasia (monostotic), thigh | — |
| M85.5 | Aneurysmal bone cyst | — |
| M85.5 | Aneurysmal bone cyst | — |
| M85.06 | Fibrous dysplasia (monostotic), lower leg | — |
| M85.06 | Fibrous dysplasia (monostotic), lower leg | — |
| M85.6 | Other cyst of bone | — |
| M85.6 | Other cyst of bone | — |
| M85.07 | Fibrous dysplasia (monostotic), ankle and foot | — |
| M85.07 | Fibrous dysplasia (monostotic), ankle and foot | — |
| M85.08 | Fibrous dysplasia (monostotic), other site | ✓ |
| M85.08 | Fibrous dysplasia (monostotic), other site | ✓ |
| M85.8 | Other specified disorders of bone density and structure | — |
| M85.8 | Other specified disorders of bone density and structure | — |
| M85.09 | Fibrous dysplasia (monostotic), multiple sites | ✓ |
| M85.09 | Fibrous dysplasia (monostotic), multiple sites | ✓ |
| M85.9 | Disorder of bone density and structure, unspecified | ✓ |
| M85.9 | Disorder of bone density and structure, unspecified | ✓ |
| M85.10 | Skeletal fluorosis, unspecified site | ✓ |
| M85.10 | Skeletal fluorosis, unspecified site | ✓ |
| M85.011 | Fibrous dysplasia (monostotic), right shoulder | ✓ |
| M85.011 | Fibrous dysplasia (monostotic), right shoulder | ✓ |
| M85.11 | Skeletal fluorosis, shoulder | — |
| M85.11 | Skeletal fluorosis, shoulder | — |
| M85.012 | Fibrous dysplasia (monostotic), left shoulder | ✓ |
| M85.012 | Fibrous dysplasia (monostotic), left shoulder | ✓ |
| M85.12 | Skeletal fluorosis, upper arm | — |
| M85.12 | Skeletal fluorosis, upper arm | — |
| M85.13 | Skeletal fluorosis, forearm | — |
| M85.13 | Skeletal fluorosis, forearm | — |
| M85.14 | Skeletal fluorosis, hand | — |
| M85.14 | Skeletal fluorosis, hand | — |
| M85.15 | Skeletal fluorosis, thigh | — |
| M85.15 | Skeletal fluorosis, thigh | — |
| M85.16 | Skeletal fluorosis, lower leg | — |
| M85.16 | Skeletal fluorosis, lower leg | — |
| M85.17 | Skeletal fluorosis, ankle and foot | — |
| M85.17 | Skeletal fluorosis, ankle and foot | — |
| M85.18 | Skeletal fluorosis, other site | ✓ |
| M85.18 | Skeletal fluorosis, other site | ✓ |
| M85.019 | Fibrous dysplasia (monostotic), unspecified shoulder | ✓ |
| M85.019 | Fibrous dysplasia (monostotic), unspecified shoulder | ✓ |
| M85.19 | Skeletal fluorosis, multiple sites | ✓ |
| M85.19 | Skeletal fluorosis, multiple sites | ✓ |
| M85.021 | Fibrous dysplasia (monostotic), right upper arm | ✓ |
| M85.021 | Fibrous dysplasia (monostotic), right upper arm | ✓ |
| M85.022 | Fibrous dysplasia (monostotic), left upper arm | ✓ |
| M85.022 | Fibrous dysplasia (monostotic), left upper arm | ✓ |
| M85.029 | Fibrous dysplasia (monostotic), unspecified upper arm | ✓ |
| M85.029 | Fibrous dysplasia (monostotic), unspecified upper arm | ✓ |
| M85.30 | Osteitis condensans, unspecified site | ✓ |
| M85.30 | Osteitis condensans, unspecified site | ✓ |
| M85.031 | Fibrous dysplasia (monostotic), right forearm | ✓ |
| M85.031 | Fibrous dysplasia (monostotic), right forearm | ✓ |
| M85.31 | Osteitis condensans, shoulder | — |
| M85.31 | Osteitis condensans, shoulder | — |
| M85.032 | Fibrous dysplasia (monostotic), left forearm | ✓ |
| M85.032 | Fibrous dysplasia (monostotic), left forearm | ✓ |
| M85.32 | Osteitis condensans, upper arm | — |
| M85.32 | Osteitis condensans, upper arm | — |
| M85.33 | Osteitis condensans, forearm | — |
| M85.33 | Osteitis condensans, forearm | — |
| M85.34 | Osteitis condensans, hand | — |
| M85.34 | Osteitis condensans, hand | — |
| M85.35 | Osteitis condensans, thigh | — |
| M85.35 | Osteitis condensans, thigh | — |
| M85.36 | Osteitis condensans, lower leg | — |
| M85.36 | Osteitis condensans, lower leg | — |
| M85.37 | Osteitis condensans, ankle and foot | — |
| M85.37 | Osteitis condensans, ankle and foot | — |
| M85.38 | Osteitis condensans, other site | ✓ |
| M85.38 | Osteitis condensans, other site | ✓ |
| M85.039 | Fibrous dysplasia (monostotic), unspecified forearm | ✓ |
| M85.039 | Fibrous dysplasia (monostotic), unspecified forearm | ✓ |
| M85.39 | Osteitis condensans, multiple sites | ✓ |
| M85.39 | Osteitis condensans, multiple sites | ✓ |
| M85.40 | Solitary bone cyst, unspecified site | ✓ |
| M85.40 | Solitary bone cyst, unspecified site | ✓ |
| M85.041 | Fibrous dysplasia (monostotic), right hand | ✓ |
| M85.041 | Fibrous dysplasia (monostotic), right hand | ✓ |
| M85.41 | Solitary bone cyst, shoulder | — |
| M85.41 | Solitary bone cyst, shoulder | — |
| M85.042 | Fibrous dysplasia (monostotic), left hand | ✓ |
| M85.042 | Fibrous dysplasia (monostotic), left hand | ✓ |
| M85.42 | Solitary bone cyst, humerus | — |
| M85.42 | Solitary bone cyst, humerus | — |
| M85.43 | Solitary bone cyst, ulna and radius | — |
| M85.43 | Solitary bone cyst, ulna and radius | — |
| M85.44 | Solitary bone cyst, hand | — |
| M85.44 | Solitary bone cyst, hand | — |
| M85.45 | Solitary bone cyst, pelvis | — |
| M85.45 | Solitary bone cyst, pelvis | — |
| M85.46 | Solitary bone cyst, tibia and fibula | — |
| M85.46 | Solitary bone cyst, tibia and fibula | — |
| M85.47 | Solitary bone cyst, ankle and foot | — |
| M85.47 | Solitary bone cyst, ankle and foot | — |
| M85.48 | Solitary bone cyst, other site | ✓ |
| M85.48 | Solitary bone cyst, other site | ✓ |
| M85.049 | Fibrous dysplasia (monostotic), unspecified hand | ✓ |
| M85.049 | Fibrous dysplasia (monostotic), unspecified hand | ✓ |
| M85.50 | Aneurysmal bone cyst, unspecified site | ✓ |
| M85.50 | Aneurysmal bone cyst, unspecified site | ✓ |
| M85.051 | Fibrous dysplasia (monostotic), right thigh | ✓ |
| M85.051 | Fibrous dysplasia (monostotic), right thigh | ✓ |
| M85.51 | Aneurysmal bone cyst, shoulder | — |
| M85.51 | Aneurysmal bone cyst, shoulder | — |
| M85.052 | Fibrous dysplasia (monostotic), left thigh | ✓ |
| M85.052 | Fibrous dysplasia (monostotic), left thigh | ✓ |
| M85.52 | Aneurysmal bone cyst, upper arm | — |
| M85.52 | Aneurysmal bone cyst, upper arm | — |
| M85.53 | Aneurysmal bone cyst, forearm | — |
| M85.53 | Aneurysmal bone cyst, forearm | — |
| M85.54 | Aneurysmal bone cyst, hand | — |
| M85.54 | Aneurysmal bone cyst, hand | — |
| M85.55 | Aneurysmal bone cyst, thigh | — |
| M85.55 | Aneurysmal bone cyst, thigh | — |
| M85.56 | Aneurysmal bone cyst, lower leg | — |
| M85.56 | Aneurysmal bone cyst, lower leg | — |
| M85.57 | Aneurysmal bone cyst, ankle and foot | — |
| M85.57 | Aneurysmal bone cyst, ankle and foot | — |
| M85.58 | Aneurysmal bone cyst, other site | ✓ |
| M85.58 | Aneurysmal bone cyst, other site | ✓ |
| M85.059 | Fibrous dysplasia (monostotic), unspecified thigh | ✓ |
| M85.059 | Fibrous dysplasia (monostotic), unspecified thigh | ✓ |
| M85.59 | Aneurysmal bone cyst, multiple sites | ✓ |
| M85.59 | Aneurysmal bone cyst, multiple sites | ✓ |
| M85.60 | Other cyst of bone, unspecified site | ✓ |
| M85.60 | Other cyst of bone, unspecified site | ✓ |
| M85.061 | Fibrous dysplasia (monostotic), right lower leg | ✓ |
| M85.061 | Fibrous dysplasia (monostotic), right lower leg | ✓ |
| M85.61 | Other cyst of bone, shoulder | — |
| M85.61 | Other cyst of bone, shoulder | — |
| M85.062 | Fibrous dysplasia (monostotic), left lower leg | ✓ |
| M85.062 | Fibrous dysplasia (monostotic), left lower leg | ✓ |
| M85.62 | Other cyst of bone, upper arm | — |
| M85.62 | Other cyst of bone, upper arm | — |
| M85.63 | Other cyst of bone, forearm | — |
| M85.63 | Other cyst of bone, forearm | — |
| M85.64 | Other cyst of bone, hand | — |
| M85.64 | Other cyst of bone, hand | — |
| M85.65 | Other cyst of bone, thigh | — |
| M85.65 | Other cyst of bone, thigh | — |
| M85.66 | Other cyst of bone, lower leg | — |
| M85.66 | Other cyst of bone, lower leg | — |
| M85.67 | Other cyst of bone, ankle and foot | — |
| M85.67 | Other cyst of bone, ankle and foot | — |
| M85.68 | Other cyst of bone, other site | ✓ |
| M85.68 | Other cyst of bone, other site | ✓ |
| M85.069 | Fibrous dysplasia (monostotic), unspecified lower leg | ✓ |
| M85.069 | Fibrous dysplasia (monostotic), unspecified lower leg | ✓ |
| M85.69 | Other cyst of bone, multiple sites | ✓ |
| M85.69 | Other cyst of bone, multiple sites | ✓ |
| M85.071 | Fibrous dysplasia (monostotic), right ankle and foot | ✓ |
| M85.071 | Fibrous dysplasia (monostotic), right ankle and foot | ✓ |
| M85.072 | Fibrous dysplasia (monostotic), left ankle and foot | ✓ |
| M85.072 | Fibrous dysplasia (monostotic), left ankle and foot | ✓ |
| M85.079 | Fibrous dysplasia (monostotic), unspecified ankle and foot | ✓ |
| M85.079 | Fibrous dysplasia (monostotic), unspecified ankle and foot | ✓ |
| M85.80 | Other specified disorders of bone density and structure, unspecified site | ✓ |
| M85.80 | Other specified disorders of bone density and structure, unspecified site | ✓ |
| M85.81 | Other specified disorders of bone density and structure, shoulder | — |
| M85.81 | Other specified disorders of bone density and structure, shoulder | — |
| M85.82 | Other specified disorders of bone density and structure, upper arm | — |
| M85.82 | Other specified disorders of bone density and structure, upper arm | — |
| M85.83 | Other specified disorders of bone density and structure, forearm | — |
| M85.83 | Other specified disorders of bone density and structure, forearm | — |
| M85.84 | Other specified disorders of bone density and structure, hand | — |
| M85.84 | Other specified disorders of bone density and structure, hand | — |
| M85.85 | Other specified disorders of bone density and structure, thigh | — |
| M85.85 | Other specified disorders of bone density and structure, thigh | — |
| M85.86 | Other specified disorders of bone density and structure, lower leg | — |
| M85.86 | Other specified disorders of bone density and structure, lower leg | — |
| M85.87 | Other specified disorders of bone density and structure, ankle and foot | — |
| M85.87 | Other specified disorders of bone density and structure, ankle and foot | — |
| M85.88 | Other specified disorders of bone density and structure, other site | ✓ |
| M85.88 | Other specified disorders of bone density and structure, other site | ✓ |
| M85.89 | Other specified disorders of bone density and structure, multiple sites | ✓ |
| M85.89 | Other specified disorders of bone density and structure, multiple sites | ✓ |
| M85.111 | Skeletal fluorosis, right shoulder | ✓ |
| M85.111 | Skeletal fluorosis, right shoulder | ✓ |
| M85.112 | Skeletal fluorosis, left shoulder | ✓ |
| M85.112 | Skeletal fluorosis, left shoulder | ✓ |
| M85.119 | Skeletal fluorosis, unspecified shoulder | ✓ |
| M85.119 | Skeletal fluorosis, unspecified shoulder | ✓ |
| M85.121 | Skeletal fluorosis, right upper arm | ✓ |
| M85.121 | Skeletal fluorosis, right upper arm | ✓ |
| M85.122 | Skeletal fluorosis, left upper arm | ✓ |
| M85.122 | Skeletal fluorosis, left upper arm | ✓ |
| M85.129 | Skeletal fluorosis, unspecified upper arm | ✓ |
| M85.129 | Skeletal fluorosis, unspecified upper arm | ✓ |
| M85.131 | Skeletal fluorosis, right forearm | ✓ |
| M85.131 | Skeletal fluorosis, right forearm | ✓ |
| M85.132 | Skeletal fluorosis, left forearm | ✓ |
| M85.132 | Skeletal fluorosis, left forearm | ✓ |
| M85.139 | Skeletal fluorosis, unspecified forearm | ✓ |
| M85.139 | Skeletal fluorosis, unspecified forearm | ✓ |
| M85.141 | Skeletal fluorosis, right hand | ✓ |
| M85.141 | Skeletal fluorosis, right hand | ✓ |
| M85.142 | Skeletal fluorosis, left hand | ✓ |
| M85.142 | Skeletal fluorosis, left hand | ✓ |
| M85.149 | Skeletal fluorosis, unspecified hand | ✓ |
| M85.149 | Skeletal fluorosis, unspecified hand | ✓ |
| M85.151 | Skeletal fluorosis, right thigh | ✓ |
| M85.151 | Skeletal fluorosis, right thigh | ✓ |
| M85.152 | Skeletal fluorosis, left thigh | ✓ |
| M85.152 | Skeletal fluorosis, left thigh | ✓ |
| M85.159 | Skeletal fluorosis, unspecified thigh | ✓ |
| M85.159 | Skeletal fluorosis, unspecified thigh | ✓ |
| M85.161 | Skeletal fluorosis, right lower leg | ✓ |
| M85.161 | Skeletal fluorosis, right lower leg | ✓ |
| M85.162 | Skeletal fluorosis, left lower leg | ✓ |
| M85.162 | Skeletal fluorosis, left lower leg | ✓ |
| M85.169 | Skeletal fluorosis, unspecified lower leg | ✓ |
| M85.169 | Skeletal fluorosis, unspecified lower leg | ✓ |
| M85.171 | Skeletal fluorosis, right ankle and foot | ✓ |
| M85.171 | Skeletal fluorosis, right ankle and foot | ✓ |
| M85.172 | Skeletal fluorosis, left ankle and foot | ✓ |
| M85.172 | Skeletal fluorosis, left ankle and foot | ✓ |
| M85.179 | Skeletal fluorosis, unspecified ankle and foot | ✓ |
| M85.179 | Skeletal fluorosis, unspecified ankle and foot | ✓ |
| M85.311 | Osteitis condensans, right shoulder | ✓ |
| M85.311 | Osteitis condensans, right shoulder | ✓ |
| M85.312 | Osteitis condensans, left shoulder | ✓ |
| M85.312 | Osteitis condensans, left shoulder | ✓ |
| M85.319 | Osteitis condensans, unspecified shoulder | ✓ |
| M85.319 | Osteitis condensans, unspecified shoulder | ✓ |
| M85.321 | Osteitis condensans, right upper arm | ✓ |
| M85.321 | Osteitis condensans, right upper arm | ✓ |
| M85.322 | Osteitis condensans, left upper arm | ✓ |
| M85.322 | Osteitis condensans, left upper arm | ✓ |
| M85.329 | Osteitis condensans, unspecified upper arm | ✓ |
| M85.329 | Osteitis condensans, unspecified upper arm | ✓ |
| M85.331 | Osteitis condensans, right forearm | ✓ |
| M85.331 | Osteitis condensans, right forearm | ✓ |
| M85.332 | Osteitis condensans, left forearm | ✓ |
| M85.332 | Osteitis condensans, left forearm | ✓ |
| M85.339 | Osteitis condensans, unspecified forearm | ✓ |
| M85.339 | Osteitis condensans, unspecified forearm | ✓ |
| M85.341 | Osteitis condensans, right hand | ✓ |
| M85.341 | Osteitis condensans, right hand | ✓ |
| M85.342 | Osteitis condensans, left hand | ✓ |
| M85.342 | Osteitis condensans, left hand | ✓ |
| M85.349 | Osteitis condensans, unspecified hand | ✓ |
| M85.349 | Osteitis condensans, unspecified hand | ✓ |
| M85.351 | Osteitis condensans, right thigh | ✓ |
| M85.351 | Osteitis condensans, right thigh | ✓ |
| M85.352 | Osteitis condensans, left thigh | ✓ |
| M85.352 | Osteitis condensans, left thigh | ✓ |
| M85.359 | Osteitis condensans, unspecified thigh | ✓ |
| M85.359 | Osteitis condensans, unspecified thigh | ✓ |
| M85.361 | Osteitis condensans, right lower leg | ✓ |
| M85.361 | Osteitis condensans, right lower leg | ✓ |
| M85.362 | Osteitis condensans, left lower leg | ✓ |
| M85.362 | Osteitis condensans, left lower leg | ✓ |
| M85.369 | Osteitis condensans, unspecified lower leg | ✓ |
| M85.369 | Osteitis condensans, unspecified lower leg | ✓ |
| M85.371 | Osteitis condensans, right ankle and foot | ✓ |
| M85.371 | Osteitis condensans, right ankle and foot | ✓ |
| M85.372 | Osteitis condensans, left ankle and foot | ✓ |
| M85.372 | Osteitis condensans, left ankle and foot | ✓ |
| M85.379 | Osteitis condensans, unspecified ankle and foot | ✓ |
| M85.379 | Osteitis condensans, unspecified ankle and foot | ✓ |
| M85.411 | Solitary bone cyst, right shoulder | ✓ |
| M85.411 | Solitary bone cyst, right shoulder | ✓ |
| M85.412 | Solitary bone cyst, left shoulder | ✓ |
| M85.412 | Solitary bone cyst, left shoulder | ✓ |
| M85.419 | Solitary bone cyst, unspecified shoulder | ✓ |
| M85.419 | Solitary bone cyst, unspecified shoulder | ✓ |
| M85.421 | Solitary bone cyst, right humerus | ✓ |
| M85.421 | Solitary bone cyst, right humerus | ✓ |
| M85.422 | Solitary bone cyst, left humerus | ✓ |
| M85.422 | Solitary bone cyst, left humerus | ✓ |
| M85.429 | Solitary bone cyst, unspecified humerus | ✓ |
| M85.429 | Solitary bone cyst, unspecified humerus | ✓ |
| M85.431 | Solitary bone cyst, right ulna and radius | ✓ |
| M85.431 | Solitary bone cyst, right ulna and radius | ✓ |
| M85.432 | Solitary bone cyst, left ulna and radius | ✓ |
| M85.432 | Solitary bone cyst, left ulna and radius | ✓ |
| M85.439 | Solitary bone cyst, unspecified ulna and radius | ✓ |
| M85.439 | Solitary bone cyst, unspecified ulna and radius | ✓ |
| M85.441 | Solitary bone cyst, right hand | ✓ |
| M85.441 | Solitary bone cyst, right hand | ✓ |
| M85.442 | Solitary bone cyst, left hand | ✓ |
| M85.442 | Solitary bone cyst, left hand | ✓ |
| M85.449 | Solitary bone cyst, unspecified hand | ✓ |
| M85.449 | Solitary bone cyst, unspecified hand | ✓ |
| M85.451 | Solitary bone cyst, right pelvis | ✓ |
| M85.451 | Solitary bone cyst, right pelvis | ✓ |
| M85.452 | Solitary bone cyst, left pelvis | ✓ |
| M85.452 | Solitary bone cyst, left pelvis | ✓ |
| M85.459 | Solitary bone cyst, unspecified pelvis | ✓ |
| M85.459 | Solitary bone cyst, unspecified pelvis | ✓ |
| M85.461 | Solitary bone cyst, right tibia and fibula | ✓ |
| M85.461 | Solitary bone cyst, right tibia and fibula | ✓ |
| M85.462 | Solitary bone cyst, left tibia and fibula | ✓ |
| M85.462 | Solitary bone cyst, left tibia and fibula | ✓ |
| M85.469 | Solitary bone cyst, unspecified tibia and fibula | ✓ |
| M85.469 | Solitary bone cyst, unspecified tibia and fibula | ✓ |
| M85.471 | Solitary bone cyst, right ankle and foot | ✓ |
| M85.471 | Solitary bone cyst, right ankle and foot | ✓ |
| M85.472 | Solitary bone cyst, left ankle and foot | ✓ |
| M85.472 | Solitary bone cyst, left ankle and foot | ✓ |
| M85.479 | Solitary bone cyst, unspecified ankle and foot | ✓ |
| M85.479 | Solitary bone cyst, unspecified ankle and foot | ✓ |
| M85.511 | Aneurysmal bone cyst, right shoulder | ✓ |
| M85.511 | Aneurysmal bone cyst, right shoulder | ✓ |
| M85.512 | Aneurysmal bone cyst, left shoulder | ✓ |
| M85.512 | Aneurysmal bone cyst, left shoulder | ✓ |
| M85.519 | Aneurysmal bone cyst, unspecified shoulder | ✓ |
| M85.519 | Aneurysmal bone cyst, unspecified shoulder | ✓ |
| M85.521 | Aneurysmal bone cyst, right upper arm | ✓ |
| M85.521 | Aneurysmal bone cyst, right upper arm | ✓ |
| M85.522 | Aneurysmal bone cyst, left upper arm | ✓ |
| M85.522 | Aneurysmal bone cyst, left upper arm | ✓ |
| M85.529 | Aneurysmal bone cyst, unspecified upper arm | ✓ |
| M85.529 | Aneurysmal bone cyst, unspecified upper arm | ✓ |
| M85.531 | Aneurysmal bone cyst, right forearm | ✓ |
| M85.531 | Aneurysmal bone cyst, right forearm | ✓ |
| M85.532 | Aneurysmal bone cyst, left forearm | ✓ |
| M85.532 | Aneurysmal bone cyst, left forearm | ✓ |
| M85.539 | Aneurysmal bone cyst, unspecified forearm | ✓ |
| M85.539 | Aneurysmal bone cyst, unspecified forearm | ✓ |
| M85.541 | Aneurysmal bone cyst, right hand | ✓ |
| M85.541 | Aneurysmal bone cyst, right hand | ✓ |
| M85.542 | Aneurysmal bone cyst, left hand | ✓ |
| M85.542 | Aneurysmal bone cyst, left hand | ✓ |
| M85.549 | Aneurysmal bone cyst, unspecified hand | ✓ |
| M85.549 | Aneurysmal bone cyst, unspecified hand | ✓ |
| M85.551 | Aneurysmal bone cyst, right thigh | ✓ |
| M85.551 | Aneurysmal bone cyst, right thigh | ✓ |
| M85.552 | Aneurysmal bone cyst, left thigh | ✓ |
| M85.552 | Aneurysmal bone cyst, left thigh | ✓ |
| M85.559 | Aneurysmal bone cyst, unspecified thigh | ✓ |
| M85.559 | Aneurysmal bone cyst, unspecified thigh | ✓ |
| M85.561 | Aneurysmal bone cyst, right lower leg | ✓ |
| M85.561 | Aneurysmal bone cyst, right lower leg | ✓ |
| M85.562 | Aneurysmal bone cyst, left lower leg | ✓ |
| M85.562 | Aneurysmal bone cyst, left lower leg | ✓ |
| M85.569 | Aneurysmal bone cyst, unspecified lower leg | ✓ |
| M85.569 | Aneurysmal bone cyst, unspecified lower leg | ✓ |
| M85.571 | Aneurysmal bone cyst, right ankle and foot | ✓ |
| M85.571 | Aneurysmal bone cyst, right ankle and foot | ✓ |
| M85.572 | Aneurysmal bone cyst, left ankle and foot | ✓ |
| M85.572 | Aneurysmal bone cyst, left ankle and foot | ✓ |
| M85.579 | Aneurysmal bone cyst, unspecified ankle and foot | ✓ |
| M85.579 | Aneurysmal bone cyst, unspecified ankle and foot | ✓ |
| M85.611 | Other cyst of bone, right shoulder | ✓ |
| M85.611 | Other cyst of bone, right shoulder | ✓ |
| M85.612 | Other cyst of bone, left shoulder | ✓ |
| M85.612 | Other cyst of bone, left shoulder | ✓ |
| M85.619 | Other cyst of bone, unspecified shoulder | ✓ |
| M85.619 | Other cyst of bone, unspecified shoulder | ✓ |
| M85.621 | Other cyst of bone, right upper arm | ✓ |
| M85.621 | Other cyst of bone, right upper arm | ✓ |
| M85.622 | Other cyst of bone, left upper arm | ✓ |
| M85.622 | Other cyst of bone, left upper arm | ✓ |
| M85.629 | Other cyst of bone, unspecified upper arm | ✓ |
| M85.629 | Other cyst of bone, unspecified upper arm | ✓ |
| M85.631 | Other cyst of bone, right forearm | ✓ |
| M85.631 | Other cyst of bone, right forearm | ✓ |
| M85.632 | Other cyst of bone, left forearm | ✓ |
| M85.632 | Other cyst of bone, left forearm | ✓ |
| M85.639 | Other cyst of bone, unspecified forearm | ✓ |
| M85.639 | Other cyst of bone, unspecified forearm | ✓ |
| M85.641 | Other cyst of bone, right hand | ✓ |
| M85.641 | Other cyst of bone, right hand | ✓ |
| M85.642 | Other cyst of bone, left hand | ✓ |
| M85.642 | Other cyst of bone, left hand | ✓ |
| M85.649 | Other cyst of bone, unspecified hand | ✓ |
| M85.649 | Other cyst of bone, unspecified hand | ✓ |
| M85.651 | Other cyst of bone, right thigh | ✓ |
| M85.651 | Other cyst of bone, right thigh | ✓ |
| M85.652 | Other cyst of bone, left thigh | ✓ |
| M85.652 | Other cyst of bone, left thigh | ✓ |
| M85.659 | Other cyst of bone, unspecified thigh | ✓ |
| M85.659 | Other cyst of bone, unspecified thigh | ✓ |
| M85.661 | Other cyst of bone, right lower leg | ✓ |
| M85.661 | Other cyst of bone, right lower leg | ✓ |
| M85.662 | Other cyst of bone, left lower leg | ✓ |
| M85.662 | Other cyst of bone, left lower leg | ✓ |
| M85.669 | Other cyst of bone, unspecified lower leg | ✓ |
| M85.669 | Other cyst of bone, unspecified lower leg | ✓ |
| M85.671 | Other cyst of bone, right ankle and foot | ✓ |
| M85.671 | Other cyst of bone, right ankle and foot | ✓ |
| M85.672 | Other cyst of bone, left ankle and foot | ✓ |
| M85.672 | Other cyst of bone, left ankle and foot | ✓ |
| M85.679 | Other cyst of bone, unspecified ankle and foot | ✓ |
| M85.679 | Other cyst of bone, unspecified ankle and foot | ✓ |
| M85.811 | Other specified disorders of bone density and structure, right shoulder | ✓ |
| M85.811 | Other specified disorders of bone density and structure, right shoulder | ✓ |
| M85.812 | Other specified disorders of bone density and structure, left shoulder | ✓ |
| M85.812 | Other specified disorders of bone density and structure, left shoulder | ✓ |
| M85.819 | Other specified disorders of bone density and structure, unspecified shoulder | ✓ |
| M85.819 | Other specified disorders of bone density and structure, unspecified shoulder | ✓ |
| M85.821 | Other specified disorders of bone density and structure, right upper arm | ✓ |
| M85.821 | Other specified disorders of bone density and structure, right upper arm | ✓ |
| M85.822 | Other specified disorders of bone density and structure, left upper arm | ✓ |
| M85.822 | Other specified disorders of bone density and structure, left upper arm | ✓ |
| M85.829 | Other specified disorders of bone density and structure, unspecified upper arm | ✓ |
| M85.829 | Other specified disorders of bone density and structure, unspecified upper arm | ✓ |
| M85.831 | Other specified disorders of bone density and structure, right forearm | ✓ |
| M85.831 | Other specified disorders of bone density and structure, right forearm | ✓ |
| M85.832 | Other specified disorders of bone density and structure, left forearm | ✓ |
| M85.832 | Other specified disorders of bone density and structure, left forearm | ✓ |
| M85.839 | Other specified disorders of bone density and structure, unspecified forearm | ✓ |
| M85.839 | Other specified disorders of bone density and structure, unspecified forearm | ✓ |
| M85.841 | Other specified disorders of bone density and structure, right hand | ✓ |
| M85.841 | Other specified disorders of bone density and structure, right hand | ✓ |
| M85.842 | Other specified disorders of bone density and structure, left hand | ✓ |
| M85.842 | Other specified disorders of bone density and structure, left hand | ✓ |
| M85.849 | Other specified disorders of bone density and structure, unspecified hand | ✓ |
| M85.849 | Other specified disorders of bone density and structure, unspecified hand | ✓ |
| M85.851 | Other specified disorders of bone density and structure, right thigh | ✓ |
| M85.851 | Other specified disorders of bone density and structure, right thigh | ✓ |
| M85.852 | Other specified disorders of bone density and structure, left thigh | ✓ |
| M85.852 | Other specified disorders of bone density and structure, left thigh | ✓ |
| M85.859 | Other specified disorders of bone density and structure, unspecified thigh | ✓ |
| M85.859 | Other specified disorders of bone density and structure, unspecified thigh | ✓ |
| M85.861 | Other specified disorders of bone density and structure, right lower leg | ✓ |
| M85.861 | Other specified disorders of bone density and structure, right lower leg | ✓ |
| M85.862 | Other specified disorders of bone density and structure, left lower leg | ✓ |
| M85.862 | Other specified disorders of bone density and structure, left lower leg | ✓ |
| M85.869 | Other specified disorders of bone density and structure, unspecified lower leg | ✓ |
| M85.869 | Other specified disorders of bone density and structure, unspecified lower leg | ✓ |
| M85.871 | Other specified disorders of bone density and structure, right ankle and foot | ✓ |
| M85.871 | Other specified disorders of bone density and structure, right ankle and foot | ✓ |
| M85.872 | Other specified disorders of bone density and structure, left ankle and foot | ✓ |
| M85.872 | Other specified disorders of bone density and structure, left ankle and foot | ✓ |
| M85.879 | Other specified disorders of bone density and structure, unspecified ankle and foot | ✓ |
| M85.879 | Other specified disorders of bone density and structure, unspecified ankle and foot | ✓ |
Frequently asked questions
What is ICD-10-CM code M85?
M85 is an ICD-10-CM category covering Other disorders of bone density and structure. It contains 450 more specific diagnosis codes, 338 of which are billable.
Is M85 a billable code?
No — M85 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example M85.0 — Fibrous dysplasia (monostotic)). 338 of the 450 codes under M85 are billable.
What codes fall under M85?
M85 includes M85.0, M85.0, M85.00, M85.00, M85.01, plus 445 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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