Mononucleosis Qualitative Blood Test

Sample Report Test Code: 654 Specimen Type: Blood

Description:

Mononucleosis Qualitative Blood Test

This test is used to aid in the diagnosis of Infectious Mononucleosis (Mono).  Mononucleosis is an infection caused by Epstein Barr Virus (EBV).  This test looks for Heterophile Antibodies which the immune system produces in response to an infection.  EBV is spread through the saliva and nearly 95% of people will be exposed by age 40.  Mononucleosis typically develops in adolescents or young people when they are first exposed to EBV.  Symptoms usually develop within a month of the initial infection and persist for several weeks.  Most cases resolve themselves without treatment.   

This test is typically ordered when someone, especially a teen or young adult, is experiencing symptoms associated with Mono such as fever, headache, sore throat, swollen glands, fatigue, rash or stomach pain. The Mononucleosis test is often ordered with a Complete Blood Count (CBC) for a more thorough analysis.  The antibodies which are detectable by a Mononucleosis test are typically present in 80% of cases.  If the test results are negative but the symptoms persist, a doctor may recommend repeat testing after a week or so or follow up testing for Epstein Barr Virus.

Heterophile antibodies, in people with infectious mononucleosis, may be present as early as the fourth day of illness, and by the twenty-first day of illness, 90% of people will exhibit a positive test. The Epstein-Barr virus causes infectious mononucleosis.

Turnaround time for the Mononucleosis, Qualitative test is typically 1-3 business days.

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