Lab Test Directory—Saint Luke's Regional Laboratories
| EOS SP | Eosinophils, Sputum |
| EPOTN | EPO (Erythropoietin) |
| ESTRADIOL | Estradiol |
| REF MISC | Estradiol, Free |
| ESTRIOL | Estriol, Total (E3) |
| ESTROGENS | Estrogens, Fractionated |
| ESTRON | Estrone (E1) |
| ETHOSUX | Ethosuximide (Zarontin) |
| ALC BIO | Ethyl Glucuronide, Urine |
| ETH GLY | Ethylene Glycol |