EGFR Mutation Detection by Pyrosequencing EGFR T790M Mutation Detection in Circulating Tumor DNA by Digital Droplet PCR Ehlers-Danlos Syndrome Kyphoscoliotic Form, Type VI (PLOD1) Sequencing and Deletion/Duplication Ehlers-Danlos Syndrome Type VI Screen Ehrlichia and Anaplasma Species by Real-Time PCR Ehrlichia chaffeensis Antibodies, IgG & IgM by IFA Ehrlichia chaffeensis Antibody, IgG by IFA Ehrlichia chaffeensis Antibody, IgM by IFA EIF2AK4-Associated Disorders (EIF2AK4) Sequencing E Antigen Typing – Patient E. coli Shiga-like Toxin by EIA Ear Culture and Gram Stain E-Cadherin by Immunohistochemistry Echinococcus Antibody, IgG Echovirus Antibodies EGFR Gene Amplification by FISH Endocrine Hereditary Cancer Panel, Sequencing and Deletion/Duplication, 13 Genes Epidermal Transglutaminase (etG/tTG3) Antibody, IgA by ELISA Epstein-Barr Virus Antibody to Viral Capsid Antigen, IgG and IgA Endomysial Antibody, IgA by IFA