ICD-10-CM > Z00-Z99 > Z77-Z99 > Z85 > Z85.8 > Z85.82 Z85.82 Personal history of malignant neoplasm of skin Non-Billable/Non-Specific Codes Z85.820Personal history of malignant melanoma of skinZ85.821Personal history of Merkel cell carcinomaZ85.828Personal history of other malignant neoplasm of skin