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B26.84

Billable

Mumps polyneuropathy

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

What This Code Means

Inflammation and damage to multiple nerves (polyneuropathy) caused by the mumps virus, affecting nerve function throughout the body.

Coding Tips

  • •Document specific neurological deficits and nerve conduction study results if available
  • •This is a rare neurological complication; ensure clear temporal relationship to mumps infection is documented

Code Hierarchy

└B26Mumps└B26.8Mumps with other complications└B26.84Mumps polyneuropathy
└B26.84Mumps polyneuropathy

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