ICD-10-CM > M00-M99 > M20-M25 > M24 > M24.2 > M24.21 M24.21 Disorder of ligament, shoulder Non-Billable/Non-Specific Codes M24.211Disorder of ligament, right shoulderM24.212Disorder of ligament, left shoulderM24.219Disorder of ligament, unspecified shoulder