C71.1 MALIGNANT NEOPLASM OF FRONTAL LOBE

Code Information

Diagnosis Code: C71.1
Short Description: Malignant neoplasm of frontal lobe
Long Description: Malignant neoplasm of frontal lobe
Code Version: 2025 ICD-10-CM

The code C71.1 is VALID for claim submission

Code Classification

Neoplasms (C00–D49)
- Malignant neoplasms of eye, brain and other parts of central nervous system (C69-C72)
  - Malignant neoplasm of brain (C71)

Synonyms

Anaplastic astrocytoma of brain
Anaplastic astrocytoma of central nervous system
Astrocytoma of cerebrum
Ependymoma of cerebrum
Malignant neoplasm of frontal lobe
Oligodendroglioma of brain
Oligodendroglioma of cerebrum
Primary anaplastic astrocytoma of brain
Primary anaplastic astrocytoma of central nervous system
Primary anaplastic astrocytoma of cerebrum
Primary anaplastic astrocytoma of frontal lobe
Primary astrocytoma of cerebrum
Primary astrocytoma of frontal lobe
Primary ependymoma of frontal lobe
Primary glioblastoma multiforme of brain
Primary glioblastoma multiforme of cerebrum
Primary glioblastoma multiforme of frontal lobe
Primary malignant astrocytoma of brain
Primary malignant glioma of frontal lobe
Primary malignant neoplasm of frontal lobe
Primary oligodendroglioma
Primary oligodendroglioma of brain
Primary oligodendroglioma of cerebrum
Primary oligodendroglioma of frontal lobe

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
C71.1		191.1	Malig neo frontal lobe

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
C71	Malignant neoplasm of brain
C71.0	Malignant neoplasm of cerebrum, except lobes and ventricles
C71.2	Malignant neoplasm of temporal lobe
C71.3	Malignant neoplasm of parietal lobe
C71.4	Malignant neoplasm of occipital lobe
C71.5	Malignant neoplasm of cerebral ventricle
C71.6	Malignant neoplasm of cerebellum
C71.7	Malignant neoplasm of brain stem
C71.8	Malignant neoplasm of overlapping sites of brain
C71.9	Malignant neoplasm of brain, unspecified

This page was last updated on: 10/1/2025

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