ICD-10-CM > M00-M99 > M05-M14 > M12 > M12.0 > M12.06 M12.06 Chronic postrheumatic arthropathy [Jaccoud], knee Non-Billable/Non-Specific Codes M12.061Chronic postrheumatic arthropathy [Jaccoud], right kneeM12.062Chronic postrheumatic arthropathy [Jaccoud], left kneeM12.069Chronic postrheumatic arthropathy [Jaccoud], unspecified knee