C37

Billable

Malignant neoplasm of thymus

C37 is the ICD-10-CM code for Malignant neoplasm of thymus. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
C00-D49
Edition
FY2026

C00-D49 Neoplasms

Excludes1 — not coded here

  • malignant carcinoid tumor of the thymus (C7A.091)

Frequently asked questions

What is ICD-10 code C37?
C37 is the ICD-10-CM code for "Malignant neoplasm of thymus". It falls under C00-D49 Neoplasms.
Is C37 a billable code?
Yes — C37 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from C37?
Excludes1 (not coded here): malignant carcinoid tumor of the thymus (C7A.091).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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