ICD-10-CM > M00-M99 > M05-M14 > M12 > M12.8 > M12.81 M12.81 Other specific arthropathies, not elsewhere classified, shoulder Non-Billable/Non-Specific Codes M12.811Other specific arthropathies, not elsewhere classified, right shoulderM12.812Other specific arthropathies, not elsewhere classified, left shoulderM12.819Other specific arthropathies, not elsewhere classified, unspecified shoulder