The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can lead to both false positive and false negative results. As a result, the CDC no longer recommends using this assay and instead using EBV serologies. Heterophile Antibody (Monospot) Test Characteristics: #Diagnosis #HeterophileAntibody #Monospot #Test #Characteristics #Mononucleosis #EBV