C56
C56: Malignant neoplasm of ovary
Non-billable headerICD-10-CM
C56 is a non-billable header ICD-10-CM code for malignant neoplasm of ovary. It cannot be billed on its own: choose one of the more specific child codes below.
Use additional code
Add a secondary code to capture the detail described below.
- code to identify any functional activity
Other codes that can never be billed with C56
Their own Excludes1 notes name this code, so the conflict is not listed above.
- C75Malignant neoplasm of other endocrine glands and related structures
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Brenner›tumor›malignant
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead C56
4 child codes. Green means billable.