ICD-10-CM>C00-D49>C51-C58>C56C56Malignant neoplasm of ovaryNon-Billable/Non-SpecificUse Additionalcode to identify any functional activityCodesC56.1Malignant neoplasm of right ovaryC56.2Malignant neoplasm of left ovaryC56.3Malignant neoplasm of bilateral ovariesC56.9Malignant neoplasm of unspecified ovary