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

What this means — in plain language

MedlinePlus · NIH

A brain tumor is a growth of abnormal cells in the tissues of the brain. Brain tumors can be benign, with no cancer cells, or malignant, with cancer cells that grow quickly. Some are primary brain tumors, which start in the brain. Others are metastatic, and they start somewhere else in the body and move to the brain. Brain tumors can cause many symptoms. Some of the most common are: Headaches, often in the morning…

Read more about Brain Tumors at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

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

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

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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