M85.80 – Other specified disorders of bone density and structure, unspecified site
ICD-10-CM 2027 diagnosis code · Disorders of bone density and structure
ICD-10-CM code
M85.80
- Code
M85.80(claims format:M8580)- Description
- Other specified disorders of bone density and structure, unspecified site
- Short description
- Oth disrd of bone density and structure, unspecified site
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M80-M85 Disorders of bone density and structure
- Parent codes
- M85 › M85.8
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M85 – Other disorders of bone density and structure
Excludes1 (not coded here):
M85.8 – Other specified disorders of bone density and structure
Applicable to:
- Hyperostosis of bones, except skull
- Osteosclerosis, acquired
Related codes in M85.8
- M85.81 – Other specified disorders of bone density and structure, shoulderHeader
- M85.82 – Other specified disorders of bone density and structure, upper armHeader
- M85.83 – Other specified disorders of bone density and structure, forearmHeader
- M85.84 – Other specified disorders of bone density and structure, handHeader
- M85.85 – Other specified disorders of bone density and structure, thighHeader
- M85.86 – Other specified disorders of bone density and structure, lower legHeader
- M85.87 – Other specified disorders of bone density and structure, ankle and footHeader
- M85.88 – Other specified disorders of bone density and structure, other siteBillable
- M85.89 – Other specified disorders of bone density and structure, multiple sitesBillable
Frequently asked questions
What is ICD-10 code M85.80?
M85.80 is the ICD-10-CM code for other specified disorders of bone density and structure, unspecified site, in the block M80-M85 (Disorders of bone density and structure).
Is M85.80 a billable code?
Yes. M85.80 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M85.80 belong to?
It belongs to category M85 – Other disorders of bone density and structure.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.