ICD-10-CM > Z00-Z99 > Z77-Z99 > Z85 > Z85.0 > Z85.04 Z85.04 Personal history of malignant neoplasm of rectum, rectosigmoid junction, and anus Non-Billable/Non-Specific Codes Z85.040Personal history of malignant carcinoid tumor of rectumZ85.048Personal history of other malignant neoplasm of rectum, rectosigmoid junction, and anus