M85Other disorders of bone density and structure
ICD-10-CM category (non-billable header) code — part of Disorders of bone density and structure (M80-M85)
Coding Notes
Excludes1 (never code both together)
- osteogenesis imperfecta (Q78.0)
- osteopetrosis (Q78.2)
- osteopoikilosis (Q78.8)
- polyostotic fibrous dysplasia (Q78.1)
Subcategories (9)
- M85.0 Fibrous dysplasia (monostotic)
- M85.1 Skeletal fluorosis
- M85.2 Hyperostosis of skull
- M85.3 Osteitis condensans
- M85.4 Solitary bone cyst
- M85.5 Aneurysmal bone cyst
- M85.6 Other cyst of bone
- M85.8 Other specified disorders of bone density and structure
- M85.9 Disorder of bone density and structure, unspecified