10ICD Code Hub

M85.8

Header — not billable

Other specified disorders of bone density and structure

The ICD-10 code for other specified disorders of bone density and structure is M85.8.

M85.8 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.

Clinical notes

Excludes1 (not coded here)

An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).

  • diffuse idiopathic skeletal hyperostosis [DISH] (M48.1)
  • osteosclerosis congenita (Q77.4)
  • osteosclerosis fragilitas (generalista) (Q78.2)
  • osteosclerosis myelofibrosis (D75.81)

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Hyperostosis of bones, except skull
  • Osteosclerosis, acquired

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under M85.8

Related codes in this category