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M25.661

✓ Billable

Stiffness of right knee, not elsewhere classified

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

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✅ No additional coding notes for M25.661

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Code Information

CodeM25.661
BillableYes
ParentM25.66
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)