ICD-10 Diagnosis Code C71.5

Malignant neoplasm of cerebral ventricle

Diagnosis Code C71.5

ICD-10: C71.5
Short Description: Malignant neoplasm of cerebral ventricle
Long Description: Malignant neoplasm of cerebral ventricle
This is the 2018 version of the ICD-10-CM diagnosis code C71.5

Valid for Submission
The code C71.5 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.
  • 191.5 - Mal neo cereb ventricle

  • Malignant neoplasm of cerebral ventricles
  • Malignant neoplasm of floor of cerebral ventricle
  • Malignant tumor of choroid plexus
  • Neoplasm of cerebral ventricle
  • Neoplasm of cerebral ventricle
  • Primary malignant neoplasm of cerebral ventricle
  • Tumor of choroid plexus

Index of Diseases and Injuries
References found for the code C71.5 in the Index of Diseases and Injuries:

Table of Neoplasms

The code C71.5 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
CaInSitu Benign Uncertain
»brain NEC
  »ventricle (floor)
»cerebrum, cerebral (cortex) (hemisphere) (white matter)
»ependyma (brain)
»ventricle (cerebral) (floor) (lateral) (third)

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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