ICD-10-CM > M00-M99 > M05-M14 > M08 > M08.4 > M08.45 M08.45 Pauciarticular juvenile rheumatoid arthritis, hip Non-Billable/Non-Specific Codes M08.451Pauciarticular juvenile rheumatoid arthritis, right hipM08.452Pauciarticular juvenile rheumatoid arthritis, left hipM08.459Pauciarticular juvenile rheumatoid arthritis, unspecified hip