C79.71 Secondary malignant neoplasm of right adrenal gland

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

Applies from C79 Secondary malignant neoplasm of other and unspecified sites

Excludes1 (never code together)

• secondary carcinoid tumors (C7B.-)
• secondary neuroendocrine tumors (C7B.-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 17 — Cancer Metastatic to Lung, Liver, Brain, and Other Organs; Acute Myeloid Leukemia Except Promyelocytic
• CMS-HCC V22: HCC 8 — Metastatic Cancer and Acute Leukemia
• RxHCC V08: HCC 18 — Secondary Cancer of Lung, Liver, Brain, and Other Sites
• ESRD V24: HCC 8

MS-DRG index

Defines the logic of DRG(s) 643-645 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 198.7 Secondary malignant neoplasm of adrenal gland (approximate)

Nearby codes

• C79.61 Secondary malignant neoplasm of right ovary
• C79.62 Secondary malignant neoplasm of left ovary
• C79.63 Secondary malignant neoplasm of bilateral ovaries
• C79.7 Secondary malignant neoplasm of adrenal gland
• C79.70 Secondary malignant neoplasm of unspecified adrenal gland
• C79.71 Secondary malignant neoplasm of right adrenal gland (this code)
• C79.72 Secondary malignant neoplasm of left adrenal gland
• C79.8 Secondary malignant neoplasm of other specified sites
• C79.81 Secondary malignant neoplasm of breast
• C79.82 Secondary malignant neoplasm of genital organs
• C79.89 Secondary malignant neoplasm of other specified sites