C38
⚠ Non-billable
Malignant neoplasm of heart, mediastinum and pleura
ICD-10-CM · FY2026 · Neoplasms
Code
C38
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code C38?
ICD-10-CM code C38 represents Malignant neoplasm of heart, mediastinum and pleura. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C38 billable?
No. C38 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is C38 in?
C38 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C38 category
C38.0
Malignant neoplasm of heart
Billable
C38.1
Malignant neoplasm of anterior mediastinum
Billable
C38.2
Malignant neoplasm of posterior mediastinum
Billable
C38.3
Malignant neoplasm of mediastinum, part unspecified
Billable
C38.4
Malignant neoplasm of pleura
Billable
C38.8
Malignant neoplasm of overlapping sites of heart, mediastinum and pleura
Billable
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