C56.3 Malignant neoplasm of bilateral ovaries

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from C56 Malignant neoplasm of ovary

Use additional code

• code to identify any functional activity

Risk adjustment (HCC)

• CMS-HCC V28: HCC 22 — Bladder, Colorectal, and Other Cancers
• CMS-HCC V22: HCC 10 — Lymphoma and Other Cancers
• RxHCC V08: HCC 22 — Prostate, Breast, Bladder, and Other Cancers and Tumors
• ESRD V24: HCC 10

MS-DRG index

Defines the logic of DRG(s) 736-741 in MDC 13.

Code annotations containing back-references to C56.3

Back-references to C56

• Type 1 Excludes: C75 Malignant neoplasm of other endocrine glands and related structures ("malignant neoplasm of ovary (C56.-)")
• Code First: R18.0 Malignant ascites ("malignant neoplasm of ovary (C56.-)")
• Code First: Z17 Estrogen, and other hormones and factors receptor status ("malignant neoplasm of ovary (C56.-)")

Nearby codes

• C56 Malignant neoplasm of ovary
• C56.1 Malignant neoplasm of right ovary
• C56.2 Malignant neoplasm of left ovary
• C56.3 Malignant neoplasm of bilateral ovaries (this code)
• C56.9 Malignant neoplasm of unspecified ovary