ICD-10-CM > M00-M99 > M05-M14 > M12 > M12.2 > M12.25 M12.25 Villonodular synovitis (pigmented), hip Non-Billable/Non-Specific Codes M12.251Villonodular synovitis (pigmented), right hipM12.252Villonodular synovitis (pigmented), left hipM12.259Villonodular synovitis (pigmented), unspecified hip