M16
⚠ Non-billable (Header)Osteoarthritis of hip
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for M16
Child Codes (9)
M16.0Bilateral primary osteoarthritis of hipM16.1Unilateral primary osteoarthritis of hipM16.2Bilateral osteoarthritis resulting from hip dysplasiaM16.3Unilateral osteoarthritis resulting from hip dysplasiaM16.4Bilateral post-traumatic osteoarthritis of hipM16.5Unilateral post-traumatic osteoarthritis of hipM16.6Other bilateral secondary osteoarthritis of hipM16.7Other unilateral secondary osteoarthritis of hipM16.9Osteoarthritis of hip, unspecified
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CodeM16
BillableNo — Header code
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes9
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)