ICD-10-CM > M00-M99 > M05-M14 > M08 > M08.0 > M08.06 M08.06 Unspecified juvenile rheumatoid arthritis, knee Non-Billable/Non-Specific Codes M08.061Unspecified juvenile rheumatoid arthritis, right kneeM08.062Unspecified juvenile rheumatoid arthritis, left kneeM08.069Unspecified juvenile rheumatoid arthritis, unspecified knee