MCMedicalCodingSoftware
C38.0

C38.0: Malignant neoplasm of heart

Billable / specific codeICD-10-CM

C38.0 is a billable, specific ICD-10-CM code for malignant neoplasm of heart. It is valid for submission on a claim.

Check C38.0 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • malignant neoplasm of great vessels (C49.3)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Malignant neoplasm of pericardium

Excludes1 inherited from the categories above C38.0

A category’s note binds every code beneath it.

Written on C38: Malignant neoplasm of heart, mediastinum and pleura

  • mesothelioma (C45.-)

Other codes that can never be billed with C38.0

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • C45.2Mesothelioma of pericardium
  • C49.3Malignant neoplasm of connective and soft tissue of thorax

Risk adjustment

C38.0 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 20 Lung and Other Severe Cancers1.136 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

C38.0 is named in 58 Medicare coverage policies: 58 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52479Oral Anticancer Drugs - Policy Article
  • A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A52868Billing and Coding: Transesophageal Echocardiography (TEE)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under C38

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.