ICD-10-CM > C00-D49 > D10-D36 > D21 > D21.1 D21.1 Benign neoplasm of connective and other soft tissue of upper limb, including shoulder Non-Billable/Non-Specific Codes D21.10Benign neoplasm of connective and other soft tissue of unspecified upper limb, including shoulderD21.11Benign neoplasm of connective and other soft tissue of right upper limb, including shoulderD21.12Benign neoplasm of connective and other soft tissue of left upper limb, including shoulder