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B01.11

Billable

Varicella encephalitis and encephalomyelitis

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Chickenpox virus infection causing inflammation of the brain and spinal cord, which can result in serious neurological complications.

Coding Tips

  • This is a more severe complication than simple meningitis; verify encephalitis is documented
  • Document any neurological deficits or complications for complete clinical coding

Code Hierarchy

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