M17.5

✓ Billable

Other unilateral secondary osteoarthritis of knee

Diseases of the musculoskeletal system and connective tissue (M00-M99)

Also Known As

Secondary osteoarthritis of knee NOS

✅ No additional coding notes for M17.5

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Code Information

CodeM17.5

BillableYes

ParentM17

CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)

Excludes10 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)