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Home/Diagnosis/ICD-10 Coding for Secondary Brain Cancer

ICD-10 Coding for Secondary Brain Cancer

C79.31
C79.32

Complete ICD-10-CM coding and documentation guide for icd-10 coding for secondary brain cancer includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Brain Metastases
Metastatic Brain Tumor
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Key Information: ICD-10 Coding for Secondary Brain Cancer

Essential facts and insights about ICD-10 Coding for Secondary Brain Cancer

Use ICD-10 code C79.31 for secondary malignant neoplasm of brain, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Secondary malignant neoplasm of brain

Billable Code
C79.31
Billable

Diagnostic Criteria

  • • MRI shows enhancing lesions in brain parenchyma.

Applicable To

  • • Metastatic brain tumor

Important Notes

  • • Ensure documentation specifies metastasis and primary site.

Secondary malignant neoplasm of cerebral meninges

Billable Code
C79.32
Billable

Diagnostic Criteria

  • • CSF cytology positive for malignant cells
  • • MRI showing meningeal enhancement

Applicable To

  • • Carcinomatous meningitis

Important Notes

  • • Ensure documentation specifies meningeal involvement and primary site.
Ancillary Codes

Additional codes that may be used with this diagnosis

G40.89

Other seizures

Use for seizure symptoms related to brain metastasis.

R51.9

Headache

Use for headache symptoms related to meningeal metastasis.

Frequently Asked Questions

What is the ICD-10 code for secondary brain cancer?

The ICD-10 code for secondary brain cancer is C79.31 for brain parenchyma and C79.32 for cerebral meninges.

How do you document secondary brain cancer?

Document the primary cancer site, confirm metastasis with imaging and biopsy, and specify the brain or meningeal involvement.

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