E

EAR SWAB
ECHOVIRUS ANTIBODIES
ELECTROLYTES - faeces
ELECTROLYTES - plasma or serum
ELECTROLYTES - sweat
ELECTROLYTES - urine
ELECTRON MICROSCOPY
ENA ANTIBODIES
ENDOMETRIAL BIOPSY
ENDOMYSIAL ANTIBODIES - serum
ENTAMOEBA HISTOLYTICA ANTIBODIES
ENTEROVIRUS ANTIBODIES - serum
ENZYME ALLERGOSORBENT TESTS
EOSINOPHIL CATIONIC PROTEIN (ECP)
EOSINOPHIL COUNT
EPG
EPSTEIN-BARR VIRUS (EBV) ANTIBODIES - serum
EQUINE MORBILLIVIRUS ANTIBODIES
ER/PR
ERYTHROCYTE SEDIMENTATION RATE (ESR)
ERYTHROPOIETIN - plasma
ESTRADIOL
ESTRIOL
ESTROGEN RECEPTORS
ETHANOL - breath
ETHANOL - plasma or blood
ETHANOLAMINE PHOSPHATE
EUGLOBULIN CLOT LYSIS TIME - plasma
EXTRACTABLE NUCLEAR ANTIGEN ANTIBODIES - serum