ICD-10-CM > C00-D49 > C43-C44 > C44 > C44.6 > C44.60 C44.60 Unspecified malignant neoplasm of skin of upper limb, including shoulder Non-Billable/Non-Specific Codes C44.601Unspecified malignant neoplasm of skin of unspecified upper limb, including shoulderC44.602Unspecified malignant neoplasm of skin of right upper limb, including shoulderC44.609Unspecified malignant neoplasm of skin of left upper limb, including shoulder