C56: Malignant neoplasm of ovary
Codes under C56 (Malignant neoplasm of ovary). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| C56.1 | Malignant neoplasm of right ovary | ✓ |
| C56.1 | Malignant neoplasm of right ovary | ✓ |
| C56.2 | Malignant neoplasm of left ovary | ✓ |
| C56.2 | Malignant neoplasm of left ovary | ✓ |
| C56.3 | Malignant neoplasm of bilateral ovaries | ✓ |
| C56.3 | Malignant neoplasm of bilateral ovaries | ✓ |
| C56.9 | Malignant neoplasm of unspecified ovary | ✓ |
| C56.9 | Malignant neoplasm of unspecified ovary | ✓ |
Frequently asked questions
What is ICD-10-CM code C56?
C56 is an ICD-10-CM category covering Malignant neoplasm of ovary. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is C56 a billable code?
No — C56 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example C56.1 — Malignant neoplasm of right ovary). 8 of the 8 codes under C56 are billable.
What codes fall under C56?
C56 includes C56.1, C56.1, C56.2, C56.2, C56.3, plus 3 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free