ICD-10-CM > M00-M99 > M65-M67 > M66 > M66.1 > M66.15 M66.15 Rupture of synovium, hip Non-Billable/Non-Specific Codes M66.151Rupture of synovium, right hipM66.152Rupture of synovium, left hipM66.159Rupture of synovium, unspecified hip