M85
Non-billableOther disorders of bone density and structure
Other disorders of bone density and structure
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Child Codes (9)
M85.0Fibrous dysplasia (monostotic)
M85.1Skeletal fluorosis
M85.2Hyperostosis of skull
M85.3Osteitis condensans
M85.4Solitary bone cyst
M85.5Aneurysmal bone cyst
M85.6Other cyst of bone
M85.8Other specified disorders of bone density and structure
M85.9Disorder of bone density and structure, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other disorders of bone density and structure?
The ICD-10-CM code for other disorders of bone density and structure is M85. The full clinical description is "Other disorders of bone density and structure". M85 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M85 mean?
ICD-10-CM code M85 represents “Other disorders of bone density and structure”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M85 a billable code?
No, M85 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under M85.
What chapter is M85 in?
M85 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M85?
M85 has Excludes1 notes indicating codes that cannot be used together with it, including: osteogenesis imperfecta (Q78.0); osteopetrosis (Q78.2); osteopoikilosis (Q78.8); and 1 more.
What are the subcategories under M85?
M85 has 9 child codes, including: M85.0 (Fibrous dysplasia (monostotic)), M85.1 (Skeletal fluorosis), M85.2 (Hyperostosis of skull), M85.3 (Osteitis condensans), and 5 more.
What are the UMLS CUIs for M85?
M85 is linked to 1 UMLS Concept Unique Identifier: C0495004. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M85 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other disorders of bone density and structure affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M85?
M85 maps to the ICD-11 code: FB80.Z (Disorder of bone density or structure, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.