All ICD10 Codes

B27.0

Non-Billable
ChapterA00–B99
Ranksubcategory
Official Description

Gammaherpesviral mononucleosis

Use a more specific code (4 billable)
B27.00Gammaherpesviral mononucleosis without complicationB27.01Gammaherpesviral mononucleosis with polyneuropathyB27.02Gammaherpesviral mononucleosis with meningitisB27.09Gammaherpesviral mononucleosis with other complications
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

Instructional Notes

Includes
  • Mononucleosis due to Epstein-Barr virus
General instructions are available for the parent sections:
View CH1 NotesView B27 Notes

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
B25-B34Other viral diseases (B25-B34)
B27Infectious mononucleosis
B27.0Gammaherpesviral mononucleosisNot billable
B27.00Gammaherpesviral mononucleosis without complicationBillable
B27.01Gammaherpesviral mononucleosis with polyneuropathyBillable
B27.02Gammaherpesviral mononucleosis with meningitisBillable
B27.09Gammaherpesviral mononucleosis with other complicationsBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B27.0:

categoryB27
Infectious mononucleosis
View context instructions
chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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