ICD-10-CM > C00-D49 > C43-C44 > C43 > C43.6 C43.6 Malignant melanoma of upper limb, including shoulder Non-Billable/Non-Specific Codes C43.60Malignant melanoma of unspecified upper limb, including shoulderC43.61Malignant melanoma of right upper limb, including shoulderC43.62Malignant melanoma of left upper limb, including shoulder