ICD-10 Diagnosis Code C71.9

Malignant neoplasm of brain, unspecified

Diagnosis Code C71.9

ICD-10: C71.9
Short Description: Malignant neoplasm of brain, unspecified
Long Description: Malignant neoplasm of brain, unspecified
This is the 2018 version of the ICD-10-CM diagnosis code C71.9

Valid for Submission
The code C71.9 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Neoplasms (C00–D48)
    • Malignant neoplasms of eye, brain and other parts of central nervous system (C69-C72)
      • Malignant neoplasm of brain (C71)

Information for Medical Professionals

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 191.9 - Malig neo brain NOS

Synonyms
  • Anaplastic astrocytoma of brain
  • Anaplastic astrocytoma of central nervous system
  • Anaplastic glioma of brain
  • Astrocytoma of brain
  • Ependymoma
  • Ependymoma of brain
  • Glial tumor of brain
  • Glioblastoma multiforme
  • Glioblastoma multiforme of brain
  • Glioblastoma multiforme of central nervous system
  • Intracranial glioma
  • Low grade glioma of brain
  • Malignant epithelial neoplasm of brain
  • Malignant glioma of brain
  • Malignant neoplasm of axial suprasellar region of brain
  • Malignant neoplasm of brain
  • Mixed glial tumor of brain
  • Mixed glioma
  • Neuroblastoma
  • Neuroblastoma of brain
  • Oligodendroglioma
  • Oligodendroglioma of brain
  • Primary malignant astrocytoma of central nervous system
  • Primary malignant glioma of brain
  • Primary malignant neoplasm of brain
  • Suprasellar germ cell tumor
  • Tumor of pituitary and suprasellar region

Table of Neoplasms

The code C71.9 is included in the table of neoplasms by anatomical site. For each site there are six possible code numbers according to whether the neoplasm in question is malignant, benign, in situ, of uncertain behavior, or of unspecified nature. The description of the neoplasm will often indicate which of the six columns is appropriate.

Where such descriptors are not present, the remainder of the Index should be consulted where guidance is given to the appropriate column for each morphological (histological) variety listed. However, the guidance in the Index can be overridden if one of the descriptors mentioned above is present.

The Tabular must be reviewed for the complete diagnosis code.

Neoplasm, neoplastic Malignant
Primary
Malignant
Secondary
CaInSitu Benign Uncertain
Behavior
Unspecified
Behavior
»brain NEC
C71.9C79.31D33.2D43.2D49.6
»cranial (fossa, any)
C71.9C79.31D33.2D43.2D49.6
»fossa (of)
C71.9C79.31D33.2D43.2D49.6
»fossa (of)
»anterior (cranial)
C71.9C79.31D33.2D43.2D49.6
»fossa (of)
»cranial
C71.9C79.31D33.2D43.2D49.6
»fossa (of)
»middle (cranial)
C71.9C79.31D33.2D43.2D49.6
»fossa (of)
»posterior (cranial)
C71.9C79.31D33.2D43.2D49.6
»intracranial NEC
C71.9C79.31D33.2D43.2D49.6
»motor tract
»brain
C71.9C79.31D33.2D43.2D49.6
»posterior fossa (cranial)
C71.9C79.31D33.2D43.2D49.6
»suprasellar (region)
C71.9C79.31D33.2D43.2D49.6

Information for Patients


Brain Tumors

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
  • Nausea and vomiting
  • Changes in your ability to talk, hear, or see
  • Problems with balance or walking
  • Problems with thinking or memory
  • Feeling weak or sleepy
  • Changes in your mood or behavior
  • Seizures

Doctors diagnose brain tumors by doing a neurologic exam and tests including an MRI, CT scan, and biopsy. Treatment options include watchful waiting, surgery, radiation therapy, chemotherapy, and targeted therapy. Targeted therapy uses substances that attack cancer cells without harming normal cells. Many people get a combination of treatments.

NIH: National Cancer Institute

  • Brain surgery (Medical Encyclopedia)
  • Brain surgery - discharge (Medical Encyclopedia)
  • Brain tumor - primary - adults (Medical Encyclopedia)
  • Metastatic brain tumor (Medical Encyclopedia)
  • Understanding Chemotherapy - NIH - Easy-to-Read (National Cancer Institute)
  • What to Know about External Beam Radiation Therapy - NIH - Easy-to-Read (National Cancer Institute)


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