ICD-10-CM > M00-M99 > M05-M14 > M12 > M12.0 > M12.01 M12.01 Chronic postrheumatic arthropathy [Jaccoud], shoulder Non-Billable/Non-Specific Codes M12.011Chronic postrheumatic arthropathy [Jaccoud], right shoulderM12.012Chronic postrheumatic arthropathy [Jaccoud], left shoulderM12.019Chronic postrheumatic arthropathy [Jaccoud], unspecified shoulder