M12.2 - Villonodular synovitis (pigmented)
M12.25 - Villonodular synovitis (pigmented), hip
M12.251 - Villonodular synovitis (pigmented), right hip
M12.252 - Villonodular synovitis (pigmented), left hip
M12.259 - Villonodular synovitis (pigmented), unspecified hip