ICD-10-CM Billable Code

B27.80

Other infectious mononucleosis without complication

Clinical Classification Guidelines

Medical Intelligence & Overview

Infectious mononucleosis, often called mono or the 'kissing disease,' is a contagious illness caused by the Epstein-Barr virus (EBV). The ICD-10 code B27.80 refers specifically to cases of infectious mononucleosis that do not lead to additional complications. Typically, this condition affects adolescents and young adults, but it can occur at any age. While mono can be uncomfortable and disruptive, most individuals recover fully with appropriate rest and care. This guide provides an overview of the causes, symptoms, diagnosis, and general management considerations for infectious mononucleosis without complications.

Causes & Symptoms

Clinical Causes: Primarily caused by infection with the Epstein-Barr virus (EBV). Transmission usually occurs through saliva, such as kissing, sharing drinks, or utensils. Less commonly, spread can occur through other bodily fluids or contact with contaminated objects. Infections are more common among teenagers and young adults, but can affect people of all ages.

Key Symptoms: Fatigue that persists for weeks or even months. Fever that may be mild or high. Sore throat, often severe, with swollen tonsils and sometimes white patches. Swollen lymph nodes in the neck and armpits. Headache and muscle aches. Loss of appetite. Enlarged spleen or liver, which may cause discomfort or fullness in the abdomen. Skin rash in some cases. Increased sensitivity to bright light.

Diagnostic & Treatment

Diagnosis Path: Diagnosis typically involves a combination of medical history assessment, physical examination, and laboratory tests. Blood tests may include:

Treatment Protocols: There is no specific antiviral treatment for infectious mononucleosis. Management primarily focuses on alleviating symptoms and supporting the body's recovery process, including:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is B27.80 a billable ICD-10 code?
Yes, B27.80 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report B27.80?
Clinical documentation must specify the nature of Other infectious mononucleosis without complication and any associated comorbidities for accurate reporting.

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