C71.7 MALIGNANT NEOPLASM OF BRAIN STEM

Code Information

Diagnosis Code: C71.7
Short Description: Malignant neoplasm of brain stem
Long Description: Malignant neoplasm of brain stem
Code Version: 2025 ICD-10-CM

The code C71.7 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

Astrocytoma of brain stem
Diffuse intrinsic pontine glioma
Ependymoma of brain stem
Glioma of brainstem
Low grade glioma of brainstem
Malignant glioma of brainstem
Malignant neoplasm of brainstem
Malignant neoplasm of cerebral peduncle
Malignant neoplasm of medulla oblongata
Malignant neoplasm of midbrain
Malignant neoplasm of pons
Oligodendroglioma of brain
Oligodendroglioma of brain stem
Primary astrocytoma of brain stem
Primary diffuse intrinsic pontine glioma
Primary glioblastoma multiforme of brain
Primary glioblastoma multiforme of brainstem
Primary malignant astrocytoma of brain
Primary malignant glioma of brainstem
Primary malignant neoplasm of brain stem

References to Index of Diseases and Injuries

The code C71.7 has the following ICD-10-CM references to the Index of Diseases and Injuries

Inclusion Terms:
- Malignant neoplasm of fourth cerebral ventricle
- Infratentorial malignant neoplasm NOS

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
C71.7		191.7	Mal neo brain stem

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
C71.1	Malignant neoplasm of frontal lobe
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
C71.8	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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