M12.24 – Villonodular synovitis (pigmented), hand

Code

M12.24 (claims format: M1224)

Description

Villonodular synovitis (pigmented), hand

Billable

No – use a more specific code below

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

M05-M14 Inflammatory polyarthropathies

Parent codes

M12 › M12.2

Billable codes under M12.24

M12.24 is a header code and cannot be used on claims. Choose the most specific code:

• M12.241 – Villonodular synovitis (pigmented), right handBillable
• M12.242 – Villonodular synovitis (pigmented), left handBillable
• M12.249 – Villonodular synovitis (pigmented), unspecified handBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M12 – Other and unspecified arthropathy

Index terms for M12.24

Entries in the ICD-10-CM alphabetic index that lead to this code:

• Synovitis, villonodular, hand joint

Related codes in M12.2

• M12.20 – Villonodular synovitis (pigmented), unspecified siteBillable
• M12.21 – Villonodular synovitis (pigmented), shoulderHeader
• M12.22 – Villonodular synovitis (pigmented), elbowHeader
• M12.23 – Villonodular synovitis (pigmented), wristHeader
• M12.25 – Villonodular synovitis (pigmented), hipHeader
• M12.26 – Villonodular synovitis (pigmented), kneeHeader
• M12.27 – Villonodular synovitis (pigmented), ankle and footHeader
• M12.28 – Villonodular synovitis (pigmented), other specified siteBillable
• M12.29 – Villonodular synovitis (pigmented), multiple sitesBillable