ICD-10-CM > M00-M99 > M05-M14 > M12 > M12.2 > M12.24 M12.24 Villonodular synovitis (pigmented), hand Non-Billable/Non-Specific Codes M12.241Villonodular synovitis (pigmented), right handM12.242Villonodular synovitis (pigmented), left handM12.249Villonodular synovitis (pigmented), unspecified hand