| Test Code | Test Name - (*) found by Test Code | Production Lab | Found by Synonym |
| ALC | ALCOHOL, SERUM | NPL | YES |
| AMNOR | AMITRIPTYLINE/NORTRIPTYLINE | ARUP | YES |
| E | ANTIGEN TYPING, E (BIG) | NPL | YES |
| ARBO | ARBOVIRUS ANTIBODIES, IGG, SERUM | ARUP | YES |
| CATU | CATECHOLAMINES FRACTIONATED, URINE FREE | ARUP | YES |
| EYERC | CULTURE, EYE / EAR | NPL | YES |
| FC | CULTURE, STOOL | NPL | YES |
| ECOLI | CULTURE, STOOL - E COLI 0157 ONLY | NPL | YES |
| EBVQP | EBV QUANT, PCR, WHOLE BLOOD | ARUP | |
| ECHO | ECHOVIRUS ANTIBODIES | ARUP | |
| ECTO | ECTOPARASITE EXAM AKA (HEAD LICE) | NPL | |
| EFCHM | EFFLUENT, PERITONEAL | NPL | |
| ELEC | ELECTROLYTE PANEL | NPL | |
| FELEC | ELECTROLYTES, FECES | ARUP | |
| UELEC | ELECTROLYTES, URINE | NPL | |
| ELU | ELUTION, ANTIBODY | NPL | |
| ENA4 | ENA 4 (RNP, SMITH, SSA, & SSB) | NPL | |
| ENA5 | ENA 5 (RNP, SMITH, SCL70 SSA, & SSB) | NPL | |
| ENA6M | ENA 6 (RNP, SMITH, SSA, SSB, SCL70,JO1) | MAYO | |
| EVP | ENTEROVIRUS BY PCR | NPL | |
| ECP | ENVIRON CULTURE PHARMACY | NPL | |
| EC | ENVIRONMENT CULTURE | NPL | |
| EOSCT | EOSINOPHIL COUNT, TOTAL | NPL | |
| NEOS | EOSINOPHIL, NASAL | NPL | |
| USMEX | EOSINOPHILS, URINE | NPL | |
| EPB | EPSTEIN-BARR VIRUS ANTIBODY PANEL 1 | ARUP | |
| EBVII | EPSTEIN-BARR VIRUS ANTIBODY PANEL II | ARUP | |
| EBVP | EPSTEIN-BARR VIRUS BY PCR | ARUP | |
| FEP | ERYTHROCYTE PORPHYRIN, WHOLE BLOOD | ARUP | |
| ESR | ERYTHROCYTE SEDIMENTATION RATE | NPL | |
| ERY | ERYTHROPOIETIN | ARUP | |
| EST | ESTRADIOL | NPL | |
| ESTL | ESTRIOL, SERUM | ARUP | |
| ESTMA | ESTROGENS FRACT. ORDERABLE AT MOBRIDGE | ARUP | |
| ESTGN | ESTROGENS, FRACTIONATED BY SPECTROMETRY | ARUP | |
| ESTRN | ESTRONE, BY TANDEM MASS SPECTOMETRY | ARUP | |
| ETGMT | ETHYL GLUCURONIDE, URINE | MEDTOX | |
| EXPOS | EXPOSURE PANEL (HEALTH CARE WORKER) | NPL | |
| EXPSR | EXPOSURE PANEL (SOURCE PATIENT) | NPL | |
| XBLU | EXTRA BLUE TOP TUBE (SODIUM CITRATE) | NPL | |
| XLAV | EXTRA EDTA TUBE (LAVENDER) | NPL | |
| XGGL | EXTRA GREEN GEL TUBE | NPL | |
| XLBL | EXTRA LABEL | NPL | |
| XPNK | EXTRA PINK | NPL | |
| XSST | EXTRA SERUM SEPARATOR TUBE | NPL | |
| IFEU | IMMUNOFIXATION ELECTROPHORESIS, URINE | ARUP | YES |
| PREL | PROTEIN ELECTROPHORESIS, SERUM | ARUP | YES |
| TTGR | TTG ABY IGA REFLEX TO ENDOMYSIAL AB | ARUP | YES |
| URIC | URIC ACID, SERUM | NPL | YES |
| VIRAL | VIRAL CULTURE | ARUP | YES |
| ZAR | ZARONTIN/ETHOSUXIMIDE | ARUP | YES |