1. M85 Other disorders of bone density and structure

    Excludes1

    • osteogenesis imperfecta (Q78.0)
    • osteopetrosis (Q78.2)
    • osteopoikilosis (Q78.8)
    • polyostotic fibrous dysplasia (Q78.1)
    1. M85.0 Fibrous dysplasia (monostotic)

      1. M85.00 Fibrous dysplasia (monostotic), unspecified site

      2. M85.01 Fibrous dysplasia (monostotic), shoulder

        • M85.011 Fibrous dysplasia (monostotic), right shoulder
        • M85.012 Fibrous dysplasia (monostotic), left shoulder
        • M85.019 Fibrous dysplasia (monostotic), unspecified shoulder
      3. M85.02 Fibrous dysplasia (monostotic), upper arm

        • M85.021 Fibrous dysplasia (monostotic), right upper arm
        • M85.022 Fibrous dysplasia (monostotic), left upper arm
        • M85.029 Fibrous dysplasia (monostotic), unspecified upper arm
      4. M85.03 Fibrous dysplasia (monostotic), forearm

        • M85.031 Fibrous dysplasia (monostotic), right forearm
        • M85.032 Fibrous dysplasia (monostotic), left forearm
        • M85.039 Fibrous dysplasia (monostotic), unspecified forearm
      5. M85.04 Fibrous dysplasia (monostotic), hand

        • M85.041 Fibrous dysplasia (monostotic), right hand
        • M85.042 Fibrous dysplasia (monostotic), left hand
        • M85.049 Fibrous dysplasia (monostotic), unspecified hand
      6. M85.05 Fibrous dysplasia (monostotic), thigh

        • M85.051 Fibrous dysplasia (monostotic), right thigh
        • M85.052 Fibrous dysplasia (monostotic), left thigh
        • M85.059 Fibrous dysplasia (monostotic), unspecified thigh
      7. M85.06 Fibrous dysplasia (monostotic), lower leg

        • M85.061 Fibrous dysplasia (monostotic), right lower leg
        • M85.062 Fibrous dysplasia (monostotic), left lower leg
        • M85.069 Fibrous dysplasia (monostotic), unspecified lower leg
      8. M85.07 Fibrous dysplasia (monostotic), ankle and foot

        • M85.071 Fibrous dysplasia (monostotic), right ankle and foot
        • M85.072 Fibrous dysplasia (monostotic), left ankle and foot
        • M85.079 Fibrous dysplasia (monostotic), unspecified ankle and foot
      9. M85.08 Fibrous dysplasia (monostotic), other site

      10. M85.09 Fibrous dysplasia (monostotic), multiple sites

    2. M85.1 Skeletal fluorosis

      1. M85.10 Skeletal fluorosis, unspecified site

      2. M85.11 Skeletal fluorosis, shoulder

        • M85.111 Skeletal fluorosis, right shoulder
        • M85.112 Skeletal fluorosis, left shoulder
        • M85.119 Skeletal fluorosis, unspecified shoulder
      3. M85.12 Skeletal fluorosis, upper arm

        • M85.121 Skeletal fluorosis, right upper arm
        • M85.122 Skeletal fluorosis, left upper arm
        • M85.129 Skeletal fluorosis, unspecified upper arm
      4. M85.13 Skeletal fluorosis, forearm

        • M85.131 Skeletal fluorosis, right forearm
        • M85.132 Skeletal fluorosis, left forearm
        • M85.139 Skeletal fluorosis, unspecified forearm
      5. M85.14 Skeletal fluorosis, hand

        • M85.141 Skeletal fluorosis, right hand
        • M85.142 Skeletal fluorosis, left hand
        • M85.149 Skeletal fluorosis, unspecified hand
      6. M85.15 Skeletal fluorosis, thigh

        • M85.151 Skeletal fluorosis, right thigh
        • M85.152 Skeletal fluorosis, left thigh
        • M85.159 Skeletal fluorosis, unspecified thigh
      7. M85.16 Skeletal fluorosis, lower leg

        • M85.161 Skeletal fluorosis, right lower leg
        • M85.162 Skeletal fluorosis, left lower leg
        • M85.169 Skeletal fluorosis, unspecified lower leg
      8. M85.17 Skeletal fluorosis, ankle and foot

        • M85.171 Skeletal fluorosis, right ankle and foot
        • M85.172 Skeletal fluorosis, left ankle and foot
        • M85.179 Skeletal fluorosis, unspecified ankle and foot
      9. M85.18 Skeletal fluorosis, other site

      10. M85.19 Skeletal fluorosis, multiple sites

    3. M85.2 Hyperostosis of skull

    4. M85.3 Osteitis condensans

      1. M85.30 Osteitis condensans, unspecified site

      2. M85.31 Osteitis condensans, shoulder

        • M85.311 Osteitis condensans, right shoulder
        • M85.312 Osteitis condensans, left shoulder
        • M85.319 Osteitis condensans, unspecified shoulder
      3. M85.32 Osteitis condensans, upper arm

        • M85.321 Osteitis condensans, right upper arm
        • M85.322 Osteitis condensans, left upper arm
        • M85.329 Osteitis condensans, unspecified upper arm
      4. M85.33 Osteitis condensans, forearm

        • M85.331 Osteitis condensans, right forearm
        • M85.332 Osteitis condensans, left forearm
        • M85.339 Osteitis condensans, unspecified forearm
      5. M85.34 Osteitis condensans, hand

        • M85.341 Osteitis condensans, right hand
        • M85.342 Osteitis condensans, left hand
        • M85.349 Osteitis condensans, unspecified hand
      6. M85.35 Osteitis condensans, thigh

        • M85.351 Osteitis condensans, right thigh
        • M85.352 Osteitis condensans, left thigh
        • M85.359 Osteitis condensans, unspecified thigh
      7. M85.36 Osteitis condensans, lower leg

        • M85.361 Osteitis condensans, right lower leg
        • M85.362 Osteitis condensans, left lower leg
        • M85.369 Osteitis condensans, unspecified lower leg
      8. M85.37 Osteitis condensans, ankle and foot

        • M85.371 Osteitis condensans, right ankle and foot
        • M85.372 Osteitis condensans, left ankle and foot
        • M85.379 Osteitis condensans, unspecified ankle and foot
      9. M85.38 Osteitis condensans, other site

      10. M85.39 Osteitis condensans, multiple sites

    5. M85.4 Solitary bone cyst

      1. M85.40 Solitary bone cyst, unspecified site

      2. M85.41 Solitary bone cyst, shoulder

        • M85.411 Solitary bone cyst, right shoulder
        • M85.412 Solitary bone cyst, left shoulder
        • M85.419 Solitary bone cyst, unspecified shoulder
      3. M85.42 Solitary bone cyst, humerus

        • M85.421 Solitary bone cyst, right humerus
        • M85.422 Solitary bone cyst, left humerus
        • M85.429 Solitary bone cyst, unspecified humerus
      4. M85.43 Solitary bone cyst, ulna and radius

        • M85.431 Solitary bone cyst, right ulna and radius
        • M85.432 Solitary bone cyst, left ulna and radius
        • M85.439 Solitary bone cyst, unspecified ulna and radius
      5. M85.44 Solitary bone cyst, hand

        • M85.441 Solitary bone cyst, right hand
        • M85.442 Solitary bone cyst, left hand
        • M85.449 Solitary bone cyst, unspecified hand
      6. M85.45 Solitary bone cyst, pelvis

        • M85.451 Solitary bone cyst, right pelvis
        • M85.452 Solitary bone cyst, left pelvis
        • M85.459 Solitary bone cyst, unspecified pelvis
      7. M85.46 Solitary bone cyst, tibia and fibula

        • M85.461 Solitary bone cyst, right tibia and fibula
        • M85.462 Solitary bone cyst, left tibia and fibula
        • M85.469 Solitary bone cyst, unspecified tibia and fibula
      8. M85.47 Solitary bone cyst, ankle and foot

        • M85.471 Solitary bone cyst, right ankle and foot
        • M85.472 Solitary bone cyst, left ankle and foot
        • M85.479 Solitary bone cyst, unspecified ankle and foot
      9. M85.48 Solitary bone cyst, other site

    6. M85.5 Aneurysmal bone cyst

      1. M85.50 Aneurysmal bone cyst, unspecified site

      2. M85.51 Aneurysmal bone cyst, shoulder

        • M85.511 Aneurysmal bone cyst, right shoulder
        • M85.512 Aneurysmal bone cyst, left shoulder
        • M85.519 Aneurysmal bone cyst, unspecified shoulder
      3. M85.52 Aneurysmal bone cyst, upper arm

        • M85.521 Aneurysmal bone cyst, right upper arm
        • M85.522 Aneurysmal bone cyst, left upper arm
        • M85.529 Aneurysmal bone cyst, unspecified upper arm
      4. M85.53 Aneurysmal bone cyst, forearm

        • M85.531 Aneurysmal bone cyst, right forearm
        • M85.532 Aneurysmal bone cyst, left forearm
        • M85.539 Aneurysmal bone cyst, unspecified forearm
      5. M85.54 Aneurysmal bone cyst, hand

        • M85.541 Aneurysmal bone cyst, right hand
        • M85.542 Aneurysmal bone cyst, left hand
        • M85.549 Aneurysmal bone cyst, unspecified hand
      6. M85.55 Aneurysmal bone cyst, thigh

        • M85.551 Aneurysmal bone cyst, right thigh
        • M85.552 Aneurysmal bone cyst, left thigh
        • M85.559 Aneurysmal bone cyst, unspecified thigh
      7. M85.56 Aneurysmal bone cyst, lower leg

        • M85.561 Aneurysmal bone cyst, right lower leg
        • M85.562 Aneurysmal bone cyst, left lower leg
        • M85.569 Aneurysmal bone cyst, unspecified lower leg
      8. M85.57 Aneurysmal bone cyst, ankle and foot

        • M85.571 Aneurysmal bone cyst, right ankle and foot
        • M85.572 Aneurysmal bone cyst, left ankle and foot
        • M85.579 Aneurysmal bone cyst, unspecified ankle and foot
      9. M85.58 Aneurysmal bone cyst, other site

      10. M85.59 Aneurysmal bone cyst, multiple sites

    7. M85.6 Other cyst of bone

      1. M85.60 Other cyst of bone, unspecified site

      2. M85.61 Other cyst of bone, shoulder

        • M85.611 Other cyst of bone, right shoulder
        • M85.612 Other cyst of bone, left shoulder
        • M85.619 Other cyst of bone, unspecified shoulder
      3. M85.62 Other cyst of bone, upper arm

        • M85.621 Other cyst of bone, right upper arm
        • M85.622 Other cyst of bone, left upper arm
        • M85.629 Other cyst of bone, unspecified upper arm
      4. M85.63 Other cyst of bone, forearm

        • M85.631 Other cyst of bone, right forearm
        • M85.632 Other cyst of bone, left forearm
        • M85.639 Other cyst of bone, unspecified forearm
      5. M85.64 Other cyst of bone, hand

        • M85.641 Other cyst of bone, right hand
        • M85.642 Other cyst of bone, left hand
        • M85.649 Other cyst of bone, unspecified hand
      6. M85.65 Other cyst of bone, thigh

        • M85.651 Other cyst of bone, right thigh
        • M85.652 Other cyst of bone, left thigh
        • M85.659 Other cyst of bone, unspecified thigh
      7. M85.66 Other cyst of bone, lower leg

        • M85.661 Other cyst of bone, right lower leg
        • M85.662 Other cyst of bone, left lower leg
        • M85.669 Other cyst of bone, unspecified lower leg
      8. M85.67 Other cyst of bone, ankle and foot

        • M85.671 Other cyst of bone, right ankle and foot
        • M85.672 Other cyst of bone, left ankle and foot
        • M85.679 Other cyst of bone, unspecified ankle and foot
      9. M85.68 Other cyst of bone, other site

      10. M85.69 Other cyst of bone, multiple sites

    8. M85.8 Other specified disorders of bone density and structure

      Inclusion term(s):

      • Hyperostosis of bones, except skull
      • Osteosclerosis, acquired
      1. M85.80 Other specified disorders of bone density and structure, unspecified site

      2. M85.81 Other specified disorders of bone density and structure, 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
        • M85.819 Other specified disorders of bone density and structure, unspecified shoulder
      3. M85.82 Other specified disorders of bone density and structure, 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
        • M85.829 Other specified disorders of bone density and structure, unspecified upper arm
      4. M85.83 Other specified disorders of bone density and structure, 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
        • M85.839 Other specified disorders of bone density and structure, unspecified forearm
      5. M85.84 Other specified disorders of bone density and structure, 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
        • M85.849 Other specified disorders of bone density and structure, unspecified hand
      6. M85.85 Other specified disorders of bone density and structure, 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
        • M85.859 Other specified disorders of bone density and structure, unspecified thigh
      7. M85.86 Other specified disorders of bone density and structure, 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
        • M85.869 Other specified disorders of bone density and structure, unspecified lower leg
      8. M85.87 Other specified disorders of bone density and structure, 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
        • M85.879 Other specified disorders of bone density and structure, unspecified ankle and foot
      9. M85.88 Other specified disorders of bone density and structure, other site

      10. M85.89 Other specified disorders of bone density and structure, multiple sites

    9. M85.9 Disorder of bone density and structure, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.