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R50.9

Billable

Fever, unspecified

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

What This Code Means

A fever where the underlying cause is unknown or not specified in the medical documentation.

Coding Tips

  • •Use this code only when the cause of fever cannot be determined after clinical evaluation
  • •Review documentation to see if a more specific fever code (R50.0-R50.84) applies before using this unspecified code

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