ICD-10-CM › A00-B99 › B25-B34 › B27 Infectious mononucleosis › B27.0

B27.0

Gammaherpesviral mononucleosis

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 4 more specific codes instead:

  • B27.00 Gammaherpesviral mononucleosis without complication
  • B27.01 Gammaherpesviral mononucleosis with polyneuropathy
  • B27.02 Gammaherpesviral mononucleosis with meningitis
  • B27.09 Gammaherpesviral mononucleosis with other complications

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Gammaherpesviral mononucleosis

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from B27 Infectious mononucleosis

Includes

  • glandular fever
  • monocytic angina
  • Pfeiffer's disease

Codes in the same group

CodeDescriptionStatus
B27.1 Cytomegaloviral mononucleosis Not billable
B27.8 Other infectious mononucleosis Not billable
B27.9 Infectious mononucleosis, unspecified Not billable