C71.9

Billable

Malignant neoplasm of brain, unspecified

Malignant neoplasm of brain, unspecified

Status

Billable / Specific

Chapter

Block

C69-C72

Parent Code

ICD-11 Mapping

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Related Codes(9)

Malignant neoplasm of cerebrum, except lobes and ventricles

Billable C71.1

Malignant neoplasm of frontal lobe

Billable C71.2

Malignant neoplasm of temporal lobe

Billable C71.3

Malignant neoplasm of parietal lobe

Billable C71.4

Malignant neoplasm of occipital lobe

Billable C71.5

Malignant neoplasm of cerebral ventricle

Billable C71.6

Malignant neoplasm of cerebellum

Billable C71.7

Malignant neoplasm of brain stem

Billable C71.8

Malignant neoplasm of overlapping sites of brain

ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

2A00.5Primary neoplasm of brain of unknown or unspecified typeequivalentPrimary

Also Known As / Clinical Terms(306)

SNOMED CT

UMLS

Clinical Terms

Brain Neoplasms, Malignant
Malignant Brain Neoplasms
Neoplasm of pituitary and suprasellar region
Primary astroblastoma of brain
Primary gemistocytic astrocytoma of brain
Oligodendroglioma
Mixed glial tumor of brain
Grade 4 malignant glioma of brain
Primary desmoplastic nodular medulloblastoma of brain
Gemistocytic astrocytoma of central nervous system
Benign glioma of brain
Primary pilomyxoid astrocytoma of brain
Mixed glioma
BRAIN NEOPL MALIGNANT
Malignant epithelial neoplasm of brain
Primary ependymoblastoma
Primary mixed glioma
Dementia due to primary malignant neoplasm of brain
Astrocytoma of brain
RELA fusion-positive supratentorial ependymoma
Ganglioneuroblastoma of central nervous system
brain ca
Brain Cancer
Tumor of pituitary and suprasellar region
Primary malignant astrocytoma of brain
Primary malignant glioma of brain
Malignant neoplasm of brain (disorder)
Primary gliosarcoma of central nervous system
Primary neuroblastoma of brain
Astroblastoma of brain
Primary protoplasmic astrocytoma of brain
Primary glioblastoma multiforme of brain
Embryonal carcinoma
Brain neoplasm malignant
NEOPL BRAIN MALIGNANT
Protoplasmic astrocytoma of brain
ca brain
Pleomorphic xanthoastrocytoma
Primary giant cell glioblastoma of central nervous system
Diffuse astrocytoma of brain
Primitive neuroectodermal tumour
Giant cell glioblastoma of brain
Giant cell glioblastoma of central nervous system
Primary large cell medulloblastoma of brain
Malignant Neoplasms, Brain
Gliosarcoma of brain
Fibrillary astrocytoma of central nervous system
Neoplasms, Brain, Malignant
Primary gliosarcoma of brain
Primary anaplastic astrocytoma of brain
Desmoplastic medulloblastoma of brain
Astrocytic tumour of brain
Brain Malignant Neoplasm
Mixed glial tumour of brain
Primary fibrillary astrocytoma of brain
Primary neuroblastoma
Primary primitive neuroectodermal tumour
Ependymoma of brain
Neuroblastoma of central nervous system
Primary ganglioneuroblastoma of central nervous system
Primary fibrillary astrocytoma of central nervous system
Low-grade glioma of brain
Astrocytic tumor of brain
Primary malignant atypical teratoid rhabdoid tumor of central nervous system
Cancer of Brain
Gliosarcoma of central nervous system
Malignant teratoma
Medulloblastoma
Brain Malignant Neoplasms
brain cancers
Malignant Neoplasm of the Brain
Glial tumour of brain
Pleomorphic xanthoastrocytoma of brain
Primary astroblastoma of central nervous system
Primary oligodendroglioma
Ependymal tumor of brain
Astroblastoma of central nervous system
Primary malignant atypical teratoid rhabdoid neoplasm of central nervous system
Suprasellar germ cell tumour
Primary embryonal carcinoma of brain
malignant brain tumor
Ganglioneuroblastoma
Primary pleomorphic xanthoastrocytoma of brain
Primary mixed oligoastrocytoma
Primitive neuroectodermal tumor
Large cell medulloblastoma of brain
Oligodendroglioma of brain
Brain Neoplasm, Malignant
Malignant glioma of brain
Malignant Tumor of Brain
Primary anaplastic large cell medulloblastoma of brain
Suprasellar germ cell tumor
Pilomyxoid astrocytoma of brain
Primary ATRT (atypical teratoid rhabdoid tumor) of central nervous system
Cancer of the Brain
Pilomyxoid astrocytoma
MALIGNANT NEOPL BRAIN
Ependymoma
Primary diffuse astrocytoma of brain
Malignant Brain Neoplasm
Primary malignant atypical teratoid rhabdoid neoplasm of brain
Neuroblastoma of brain
Primary medulloblastoma
Primary desmoplastic medulloblastoma of brain
Germ cell tumor of the brain
Mixed oligoastrocytoma
Low grade malignant glioma of brain
Primary ATRT (atypical teratoid rhabdoid tumour) of central nervous system
Primary oligodendroglioma of brain
Carcinoma of brain
Primary malignant atypical teratoid rhabdoid tumour of central nervous system
Primary teratoma of brain
brain malignant tumors
Primary giant cell glioblastoma of brain
Anaplastic astrocytoma of brain
Low grade glioma of brain
Glioblastoma multiforme of brain
Primary primitive neuroectodermal tumor
Primary anaplastic glioma of brain
Ependymoblastoma
Primary malignant neoplasm of brain
Malignant brain neoplasm NOS
Tumour of pituitary and suprasellar region
Germ cell tumour of the brain
High grade astrocytoma of brain
Gemistocytic astrocytoma of brain
Glial tumor of brain
Cancer, Brain
Malignant Neoplasm, Brain
Primary pilomyxoid astrocytoma
Low grade astrocytoma of brain
Ependymal tumour of brain
Anaplastic astrocytoma of central nervous system
Primary neuroblastoma of central nervous system
Primary ganglioneuroblastoma
Malignant neoplasm of axial suprasellar region of brain
Malignant Tumor of the Brain
Primary ganglioneuroblastoma of brain
Anaplastic glioma of brain
Desmoplastic nodular medulloblastoma of brain
Ganglioneuroblastoma of CNS (central nervous system)
High grade astrocytoma brain cancer
Primary anaplastic astrocytoma of central nervous system
Primary gemistocytic astrocytoma of central nervous system
Fibrillary astrocytoma of brain
Glioblastoma multiforme
Low grade astrocytoma brain cancer
Primary ganglioneuroblastoma of CNS (central nervous system)

Frequently Asked Questions

What is the ICD-10 code for malignant neoplasm of brain, unspecified?

The ICD-10-CM code for malignant neoplasm of brain, unspecified is C71.9. The full clinical description is "Malignant neoplasm of brain, unspecified". C71.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code C71.9 mean?

ICD-10-CM code C71.9 represents “Malignant neoplasm of brain, unspecified”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Is C71.9 a billable code?

Yes, C71.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C71.9 in?

C71.9 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C71.9?

C71.9 has Excludes1 notes indicating codes that cannot be used together with it, including: malignant neoplasm of cranial nerves (C72.2-C72.5); retrobulbar malignant neoplasm (C69.6-).

What SNOMED CT codes does C71.9 map to?

C71.9 maps to 97 SNOMED CT concepts: 277461004, 82501000119102, 424151006, 762457009, 1157141006, and 92 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C71.9?

C71.9 is linked to 1 UMLS Concept Unique Identifier: C0153633. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does C71.9 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of brain, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of C71.9?

C71.9 maps to the ICD-11 code: 2A00.5 (Primary neoplasm of brain of unknown or unspecified type).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.