The Lyme Disease Ab with Reflex to Blot (IgG, IgM) test contains antibody test. Lyme disease is caused by a bacterium borrelia burgdorferi and is transmitted by ticks. EIA is the screening test with high sensitivity for antibody detection. Immunoblot testing qualitatively examines with high specificity antibodies in a patient's specimen. Immunoblot testing is appropriate for confirming a detected EIA test result. If Lyme Disease Antibody Screen is ≥0.90, then Lyme Disease Antibodies (IgG, IgM), Immunoblot will be performed at an additional charge of $63.00