| Test Name (Click to sort by popular result) | COE Code |
| EWSR1/ATF1 Translocation (Clear Cell Sarcoma) | MLABEL |
| EWSR1/FLI1 and EWSR1/ERG Translocations (Ewing Sarcoma) | MLABEL |
| EWSR1/WT1 Translocation (Desmoplastic Small Round Cell Tumor) | MLABEL |
| Echinococcus Antibody, IgG | ML MISC |
| Echovirus Antibody Panel | ECHO/ML MISC |
| Ehrlichia Antibody Panel | ML MISC |
| Electrolyte Panel | LYTES |
| Electron Microscopy, Biopsy | |
| Electron Microscopy, Platelet Ultrastructural Study | SENDOUT |
| Encainide | FENC |
| Endometrium, Anaerobe Culture | ANNC |
| Endomysial Antibody, IgA | EMA |
| Entamoeba histolytica (Amoeba) Antibody | EHIST |
| Enterovirus Antibody Panel | ML MISC |
| Enterovirus Culture, Stool | ECULT |
| Enterovirus RNA by PCR, Qualitative | PCREV |
| Eosinophil Cationic Protein | ML MISC |
| Eosinophils, Urine | UEOS |
| Epstein Barr Early Antigen, IgG | EBVEA |
| Epstein Barr Nuclear Antigen, IgG | EBVNA |
| Epstein Barr Viral Capsid Antigen, IgG | EBVCG |
| Epstein Barr Viral Capsid Antigen, IgM | EBVCM |
| Epstein Barr Virus Antibody Panel | EBVPL |
| Epstein Barr Virus DNA by PCR, Qualitative | ML MISC |
| Epstein Barr Virus DNA by PCR, Quantitative | QEBV |
| Erythropoietin | EPO |
| Esophageal Brushings Cytology | ESOB |
| Esophageal Washings Cytology | ESOW |
| Estradiol | ESTRA |
| Estriol, Unconjugated | ESTRIOL |
| Estrogens, Fractionated | ESTF |
| Estrone | EONE |
| Estrone, Urine | ML MISC |
| Ethanol, Serum | ETHANOL |
| Ethanol, Urine | UETOH |
| Ethchlorvynol, Serum | ML MISC |
| Ethosuximide | ESXD |
| Ethyl Glucuronide, Urine | ETGLU |
| Extractable Nuclear Antibodies SS-A and SS-B | SSASSB |
| Extractable Nuclear Antibodies Sm and RNP | SMRN |
| Extractable Nuclear Antibody Panels | ENA5/ENA7/ENA11 |