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M12.20

Billable

Villonodular synovitis (pigmented), unspecified site

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

What This Code Means

Villonodular synovitis is a benign condition where abnormal tissue grows in the joint lining, causing inflammation and joint damage, affecting an unspecified site in the body.

Coding Tips

  • •This is a non-specific code; attempt to identify the affected joint site for more precise coding
  • •Query the provider if the site is not documented to allow assignment of a more specific code

Code Hierarchy

└M12Other and unspecified arthropathy└M12.2Villonodular synovitis (pigmented)└M12.20Villonodular synovitis (pigmented), unspecified site
└M12.20Villonodular synovitis (pigmented), unspecified site

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