ICD-10-CM > C00-D49 > D37-D48 > D39 > D39.1 D39.1 Neoplasm of uncertain behavior of ovary Non-Billable/Non-Specific Use Additional code to identify any functional activity. Codes D39.10Neoplasm of uncertain behavior of unspecified ovaryD39.11Neoplasm of uncertain behavior of right ovaryD39.12Neoplasm of uncertain behavior of left ovary