CPT/HCPCS
86663
Order Code
CH735
Turnaround Time
24-48 hours
Specimen Requirements
Specimen Source
Serum
Transport Container
(Specimen Container)
(Specimen Container)
Serum Separator Tube (SST)
Preferred Specimens
Serum
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport Refrigerated (cold packs)
Test Details
Methodology
Immunoassay (IA)
Clinical Significance
A third-order test in the diagnosis of infectious mononucleosis, especially in situations when initial testing results (heterophile antibody test) are negative and follow-up testing (viral capsid antigen: VCA IgG, VCA IgM, and Epstein-Barr nuclear antigen) yields inconclusive results aiding in the diagnosis of type 2 or type 3 nasopharyngeal carcinoma.
Reference Ranges
Negative < 0.8 AI Indeterminate 0.9-1.0 AI Positive > 1.0 AI
