ICD-10-CM Diagnosis Code (2025)
Official Description for B27.99
Infectious mononucleosis, unspecified with other complication
Coding Notes & Guidelines for B27.99
Hepatomegaly in unspecified infectious mononucleosis
Parent Code (Less Specific):
About ICD-10-CM Code B27.99 (Infectious mononucleosis)
ICD-10-CM code B27.99 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 B27.99 became effective on October 1, 2024.
This page provides detailed information about B27.99 - Infectious mononucleosis, unspecified with other complication. 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 Infectious mononucleosis related to unspecified other complication.