ICD-10-CM > M00-M99 > M70-M79 > M71 > M71.3 > M71.31 M71.31 Other bursal cyst, shoulder Non-Billable/Non-Specific Codes M71.311Other bursal cyst, right shoulderM71.312Other bursal cyst, left shoulderM71.319Other bursal cyst, unspecified shoulder