ICD-10-CM > M00-M99 > M05-M14 > M08 > M08.4 > M08.47 M08.47 Pauciarticular juvenile rheumatoid arthritis, ankle and foot Non-Billable/Non-Specific Codes M08.471Pauciarticular juvenile rheumatoid arthritis, right ankle and footM08.472Pauciarticular juvenile rheumatoid arthritis, left ankle and footM08.479Pauciarticular juvenile rheumatoid arthritis, unspecified ankle and foot