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M12.212

Billable

Villonodular synovitis (pigmented), left shoulder

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 shoulder 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 (M12.219) if laterality is clearly documented

Code Hierarchy

└M12Other and unspecified arthropathy└M12.2Villonodular synovitis (pigmented)└M12.21Villonodular synovitis (pigmented), shoulder└M12.212Villonodular synovitis (pigmented), left shoulder
└M12.212Villonodular synovitis (pigmented), left shoulder

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