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M12.242

Billable

Villonodular synovitis (pigmented), left hand

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A benign condition where abnormal tissue growth occurs in the lining of the left hand joint, often causing swelling and joint damage over time.

Coding Tips

  • •Verify laterality is documented as 'left' in the medical record before assigning this code
  • •This is a specific diagnosis code; do not use unspecified codes if laterality is clearly documented

Code Hierarchy

└M12Other and unspecified arthropathy└M12.2Villonodular synovitis (pigmented)└M12.24Villonodular synovitis (pigmented), hand└M12.242Villonodular synovitis (pigmented), left hand
└M12.242Villonodular synovitis (pigmented), left hand

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