B27.0

Non-billable

Gammaherpesviral mononucleosis

B27.0 is the ICD-10-CM code for Gammaherpesviral mononucleosis. It is a non-billable category code — use a more specific child code such as B27.00 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Parent
B27
Subcodes
4
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

Includes

  • Mononucleosis due to Epstein-Barr virus

Frequently asked questions

What is ICD-10 code B27.0?
B27.0 is the ICD-10-CM code for "Gammaherpesviral mononucleosis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B27.0 a billable code?
No — B27.0 is a non-billable header code. Use a more specific child code (such as B27.00) for billing.
What are the subcodes of B27.0?
B27.0 has 4 more specific child codes, including B27.00, B27.01, B27.02.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.