ICD-10-CM › M00-M99 › M80-M85 › M85 Other disorders of bone density... › M85.4
M85.4
Solitary bone cyst
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 9 more specific codes instead:
- M85.40 Solitary bone cyst, unspecified site
- M85.41 Solitary bone cyst, shoulder (also a header)
- M85.42 Solitary bone cyst, humerus (also a header)
- M85.43 Solitary bone cyst, ulna and radius (also a header)
- M85.44 Solitary bone cyst, hand (also a header)
- M85.45 Solitary bone cyst, pelvis (also a header)
- M85.46 Solitary bone cyst, tibia and fibula (also a header)
- M85.47 Solitary bone cyst, ankle and foot (also a header)
- M85.48 Solitary bone cyst, other site
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.
- FY2012 Added to the draft code set draft Solitary bone cyst
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.
Inherited from M85 Other disorders of bone density and structure
Excludes1 - never coded here
- osteogenesis imperfecta (Q78.0)
- osteopetrosis (Q78.2)
- osteopoikilosis (Q78.8)
- polyostotic fibrous dysplasia (Q78.1)
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M85.0 | Fibrous dysplasia (monostotic) | Not billable |
| M85.1 | Skeletal fluorosis | Not billable |
| M85.2 | Hyperostosis of skull | Valid |
| M85.3 | Osteitis condensans | Not billable |
| M85.5 | Aneurysmal bone cyst | Not billable |
| M85.6 | Other cyst of bone | Not billable |
| M85.8 | Other specified disorders of bone density and structure | Not billable |
| M85.9 | Disorder of bone density and structure, unspecified | Valid |