10ICD Code Hub

C16.0

Billable code

Malignant neoplasm of cardia

The ICD-10 code for malignant neoplasm of cardia is C16.0.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

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

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

C16.0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.