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Epstein-Barr Virus Early Antigen (EBV-EA) IgG and IgM Antibodies, Serum — Immunofluorescence

Published: August 9, 2026Updated: August 16, 2026

Detects IgG and IgM antibodies to the early antigen of Epstein-Barr virus to help assess infection timing and immune response.

Quick summary

["This blood test helps show whether your immune response to Epstein-Barr virus suggests a recent or past infection."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
69034-7
Short code
EEEV IgG+IgM Pnl Ser IF
Synonyms
EEEV IgG+IgM Pnl Ser IF
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
if
CPT
82784
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What is this test?

This test looks for IgG and IgM antibodies against the early antigen of Epstein-Barr virus (EBV), a common virus that causes mononucleosis. It is performed on a blood sample using immunofluorescence.

Why might I need this test?

Your clinician may order this test when symptoms suggest a recent EBV infection or when the results of other EBV antibody tests need further evaluation. It may be used to help assess the timing of an infection and distinguish immune responses to different viral antigens.

How is the test performed?

A blood sample is collected, and the laboratory uses an immunofluorescence method to check for EBV early antigen-specific IgG and IgM antibodies. The results are interpreted together with your symptoms and other EBV tests.

How do I prepare for the test?

No special preparation is usually required for this serum antibody test. Tell your clinician if you have recently had an EBV infection, received certain blood products, or had another test that may affect your antibody results.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Detectable early antigen-specific IgM may support a recent EBV infection, while IgG can occur during infection and may remain detectable afterward. Results should not be interpreted alone because false-positive or false-negative results can occur, and other EBV antibody patterns may be more helpful in some situations.

Short name

EBV Early Antigen Antibodies (IgG/IgM)

Frequently asked questions

What does a positive EBV early antigen IgM result mean?
It may suggest a recent EBV infection, but it must be interpreted with symptoms and other EBV antibody tests. It does not confirm the diagnosis by itself.
What does a positive EBV early antigen IgG result mean?
It shows that antibodies to the EBV early antigen are present. This can occur during infection or persist after an earlier infection.
Can this test tell me if I am contagious?
No. Antibody testing helps assess immune responses to EBV but generally does not determine whether a person is contagious.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy