Social Security. Benefits for People with Disabilities. The Social Security and Supplemental Security Income disability programs are the largest of several Federal programs that provide assistance to people with disabilities.
Heterophile antibodies can cause significant interference in any immunoassay. The presence of a heterophile antibody is characterized by broad reactivity with antibodies of other animal species (which are often the source of the assay antibodies).
A negative test means there were no heterophile antibodies detected. Most of the time this means you do not have infectious mononucleosis. Sometimes, the test may be negative because it was done too soon (within 1 to 2 weeks) after the illness started.