Is C38.1 a billable ICD-10 code?

Yes. C38.1 (Malignant neoplasm of anterior mediastinum) is billable and can be used for insurance claims. Always verify payer-specific requirements.

C38.1 ✓ Billable

Malignant neoplasm of anterior mediastinum

Q: What is ICD-10 code C38.1?

ICD-10-CM code C38.1 stands for "Malignant neoplasm of anterior mediastinum". It is a billable code in the Neoplasms chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Neoplasms

Code

C38.1

System

ICD-10-CM

Billable

Yes — valid for submission

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 C38.1?

ICD-10-CM code C38.1 represents Malignant neoplasm of anterior mediastinum. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.

Is C38.1 billable?

Yes. C38.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is C38.1 in?

C38.1 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.

Related codes in the C38 category

C38 Malignant neoplasm of heart, mediastinum and pleura Non-billable C38.0 Malignant neoplasm of heart 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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