ICD-10-CM B27.09: Gammaherpesviral mononucleosis with other complications

ICD-10-CM Diagnosis Code (2025)

Official Description for B27.09

Gammaherpesviral mononucleosis with other complications

Coding Notes & Guidelines for B27.09

Inclusion Terms

Hepatomegaly in gammaherpesviral mononucleosis

Parent Code (Less Specific):

About ICD-10-CM Code B27.09 (Gammaherpesviral mononucleosis with other complications)

ICD-10-CM code B27.09 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM B27.09 became effective on October 1, 2024.

This page provides detailed information about B27.09 - Gammaherpesviral mononucleosis with other complications. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Gammaherpesviral mononucleosis with other complications.