M85

Other disorders of bone density and structure

Non-billable header

M85 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes

  • Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes1

Not coded here — never report together with this code.

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

Excludes2

Not included here — may be reported together when both conditions exist.

  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

More specific codes M85

  • M85.0Fibrous dysplasia (monostotic)Header
  • M85.1Skeletal fluorosisHeader
  • M85.2Hyperostosis of skullBillable
  • M85.3Osteitis condensansHeader
  • M85.4Solitary bone cystHeader
  • M85.5Aneurysmal bone cystHeader
  • M85.6Other cyst of boneHeader
  • M85.8Other specified disorders of bone density and structureHeader
  • M85.9Disorder of bone density and structure, unspecifiedBillable

Related codes

  • M80Osteoporosis with current pathological fractureNeeds 7th char
  • M81Osteoporosis without current pathological fractureHeader
  • M83Adult osteomalaciaHeader
  • M84Disorder of continuity of boneHeader

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