C16.0 Malignant neoplasm of cardia

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

Applicable to

• Malignant neoplasm of cardiac orifice
• Malignant neoplasm of cardio-esophageal junction
• Malignant neoplasm of esophagus and stomach
• Malignant neoplasm of gastro-esophageal junction

Applies from C16 Malignant neoplasm of stomach

Excludes2 (not included here)

• malignant carcinoid tumor of the stomach (C7A.092)

Use additional code

• code to identify:
• alcohol abuse and dependence (F10.-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 20 — Lung and Other Severe Cancers
• CMS-HCC V22: HCC 9 — Lung and Other Severe Cancers
• RxHCC V08: HCC 22 — Prostate, Breast, Bladder, and Other Cancers and Tumors
• ESRD V24: HCC 9

MS-DRG index

Defines the logic of DRG(s) 374-376 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 151.0 Malignant neoplasm of cardia

Code annotations containing back-references to C16.0

Back-references to C16.0

• Type 1 Excludes: C15.5 Malignant neoplasm of lower third of esophagus ("malignant neoplasm of cardio-esophageal junction (C16.0)")

Nearby codes

• C16 Malignant neoplasm of stomach
• C16.0 Malignant neoplasm of cardia (this code)
• C16.1 Malignant neoplasm of fundus of stomach
• C16.2 Malignant neoplasm of body of stomach
• C16.3 Malignant neoplasm of pyloric antrum
• C16.4 Malignant neoplasm of pylorus
• C16.5 Malignant neoplasm of lesser curvature of stomach, unspecified