ICD-10-CM › M00-M99 › M80-M85 › M codes › M85

M85

Other disorders of bone density and structure

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 9 more specific codes instead:

  • M85.0 Fibrous dysplasia (monostotic) (also a header)
  • M85.1 Skeletal fluorosis (also a header)
  • M85.2 Hyperostosis of skull
  • M85.3 Osteitis condensans (also a header)
  • M85.4 Solitary bone cyst (also a header)
  • M85.5 Aneurysmal bone cyst (also a header)
  • M85.6 Other cyst of bone (also a header)
  • M85.8 Other specified disorders of bone density and structure (also a header)
  • M85.9 Disorder of bone density and structure, unspecified

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Other disorders of bone density and structure

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Excludes1 - never coded here

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