ICD-10-CM > M00-M99 > M00-M02 > M02 > M02.8 > M02.81 M02.81 Other reactive arthropathies, shoulder Non-Billable/Non-Specific Codes M02.811Other reactive arthropathies, right shoulderM02.812Other reactive arthropathies, left shoulderM02.819Other reactive arthropathies, unspecified shoulder