C71

Non-billable

Malignant neoplasm of brain

C71 is the ICD-10-CM code for Malignant neoplasm of brain. It is a non-billable category code — use a more specific child code such as C71.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
10
Edition
FY2026

C00-D49 Neoplasms

Excludes1 — not coded here

  • malignant neoplasm of cranial nerves (C72.2-C72.5)
  • retrobulbar malignant neoplasm (C69.6-)

Frequently asked questions

What is ICD-10 code C71?
C71 is the ICD-10-CM code for "Malignant neoplasm of brain". It falls under C00-D49 Neoplasms.
Is C71 a billable code?
No — C71 is a non-billable header code. Use a more specific child code (such as C71.0) for billing.
What are the subcodes of C71?
C71 has 10 more specific child codes, including C71.0, C71.1, C71.2.
What is excluded from C71?
Excludes1 (not coded here): malignant neoplasm of cranial nerves (C72.2-C72.5); retrobulbar malignant neoplasm (C69.6-).

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

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