Brain Mets ICD-10-CM Codes

Explore ICD-10 codes used for Brain Mets, including description and billability. Learn more with Carepatron’s short guide.

By Patricia Buenaventura on Feb 29, 2024.

Fact Checked by Ericka Pingol.

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Brain Mets ICD-10-CM Codes

What ICD-10 Codes are Used for Brain Mets?

Brain Mets or brain metastases are brain tumors that form due to cancer cells that have traveled from organ/s in the body, usually ones with existing tumors, to the brain. 

If your patient has brain metastases, here are the ICD codes for Brain Mets that you can use for billing and coding: 

  • C71.9: Malignant neoplasm of brain, unspecified
  • C79.31: Secondary malignant neoplasm of brain

Which Brain Mets ICD codes are Billable? 

All of the mentioned ICD-10 codes for Brain Mets are billable. 

Clinical Information

  • Brain Mets, or brain metastases, are tumors that begin somewhere in the body that’s spread to the brain. The timing of their appearance may vary. It may appear before or after the primary cancer. 
  • Common symptoms of brain mets are seizures, headaches, weakness in the legs and arms, loss of memory/balance/hearing, problems talking, changes in personality/behavior, numbness, and blurred vision. 
  • Those who are likely to develop brain mets are those who have any other type of cancer. In addition, as the patient ages, their risk of developing brain mets increases. 
  • To diagnose brain mets, practitioners may ask the patient to undergo a physical exam, neurological exam, imaging tests, and a biopsy. 
  • Treatment may include surgery, chemotherapy, radiation therapy, immunotherapy, and drug treatments. The chosen treatment will depend on the location of the tumor, the patient’s health, the exhibited symptoms, and the type of cancer the patient has/hand. 

Synonyms Include:

  • Secondary malignant neoplasm of brain
  • Anaplastic astrocytoma of brain
  • Carcinoma of brain
  • Ependymoma of brain
  • Giant cell glioblastoma of brain
Medical Billing and Coding Software

Commonly asked questions

When to use a Brain Mets ICD code?

You can use a brain mets ICD code when you’ve determined the nature of the patient’s malignant neoplasm in the brain. 

Are Brain Mets diagnoses codes billable?

Yes, the two common ICD-10 codes commonly used for brain mets are billable. 

What are the common treatments for Brain Mets?

Common treatments include surgery, chemotherapy, radiation therapy, immunotherapy, and drug treatments. 

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