M85 ICD-10-CM Code: Other disorders of bone density and structure
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
M85Other disorders of bone density and structure
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where M85 sits
- 1
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2
Section
Disorders of bone density and structure (M80-M85)
- 3
Category M85
Other disorders of bone density and structure
- 4
Code M85
Other disorders of bone density and structure
More specific choices
Codes under M85
M85 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for M85.
Code first
No “code first” instruction is listed for M85.
Use additional code
No “use additional code” instruction is listed for M85.
Excludes1
Conditions that should not be reported together with this code.
- osteogenesis imperfecta (Q78.0)
- osteopetrosis (Q78.2)
- osteopoikilosis (Q78.8)
- polyostotic fibrous dysplasia (Q78.1)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M85.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code M85 mean?
M85 is the FY 2027 U.S. ICD-10-CM code for “Other disorders of bone density and structure.”
Is M85 a billable or specific ICD-10-CM code?
No. M85 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is M85 located in ICD-10-CM?
M85 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Disorders of bone density and structure (M80-M85) (M80–M85), under category M85, Other disorders of bone density and structure.
What coding notes are listed for M85?
No inclusion terms are listed for M85 in this reference record. No code-first instruction is listed. Excludes1 notes: osteogenesis imperfecta (Q78.0); osteopetrosis (Q78.2); osteopoikilosis (Q78.8); polyostotic fibrous dysplasia (Q78.1). No Excludes2 note is listed.
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