M12.21Non-billable (header)
Villonodular synovitis (pigmented), shoulder
Code Hierarchy
┌13Diseases of the musculoskeletal system and connective tissue (M00-M99)├M05-M14Inflammatory polyarthropathies (M05-M14)├M12Other and unspecified arthropathy
└M12.21Villonodular synovitis (pigmented), shoulder
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