Epstein-Barr Virus (EBV) Capsid Antibody, IgM


Sunquest Code:EBVCAM  
Epic Code:LAB6380Epic Name:EBV Capsid Antibody, IgM
Synonyms:Epstein-Barr Virus, IgM; EBV VCA; EBVCAM; Viral Capsid Antigen; Epstein Barr Virus, IgM
Methodology:Multiplex flow immunoassay
Turnaround Time:Performed Mon-Fri; results are reported the same day.
Special Instructions:This test should be ordered in conjunction with the Epstein-Barr IgG antibody.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.9 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Gross hemolysis


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.35 mL minimum. Store in refrigerator up to 7 days.
Shipping Instructions:Ship at refrigerated temperature. Afterwards freeze at -20 C or colder.
Test Performed at or Referral Lab Specialty Core  (UMMC-East Bank)


Interpretive

Reference Range:
Greater than or equal to 1.1 AI is considered positive for Epstein-Barr Viral Capsid antigen IgM. A negative test does not exclude current Epstein-Barr infection. Abnormally high levels of IgG and rheumatoid factor could cause occasional false positive results.
 
0.8 AI or less Negative - No detectable antibodies
0.9-1.0 AI Equivocal - Please recollect
1.1 AI or greater Positive - Suggests current or recent infection
Note: The magnitude of the result above the cut-off is not indicative of the amount of antibody present. Antibody index (AI) values reflect qualitative changes in antibody concentration that cannot be directly associated with clinical condition or disease state.              
Use:EBV IgM antibodies appear 1-6 weeks after the onset of disease and may persist for 3-6 months. These antibodies are considered specific for the diagnosis of infectious mononucleosis.


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