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B27.00

Billable

Gammaherpesviral mononucleosis without complication

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

What This Code Means

Infectious mononucleosis caused by Epstein-Barr virus (a type of herpesvirus) presenting with fever, sore throat, and swollen lymph nodes, without additional complications.

Coding Tips

  • •This code is for uncomplicated EBV mononucleosis; verify no neurological or other complications are present
  • •Document the causative agent (Epstein-Barr virus/gammaherpesvirus) in the medical record for accurate coding

Code Hierarchy

└B27Infectious mononucleosis└B27.0Gammaherpesviral mononucleosis└B27.00Gammaherpesviral mononucleosis without complication
└B27.00Gammaherpesviral mononucleosis without complication

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