M12.0 - Chronic postrheumatic arthropathy [Jaccoud]
M12.06 - Chronic postrheumatic arthropathy [Jaccoud], knee
M12.061 - Chronic postrheumatic arthropathy [Jaccoud], right knee
M12.062 - Chronic postrheumatic arthropathy [Jaccoud], left knee
M12.069 - Chronic postrheumatic arthropathy [Jaccoud], unspecified knee