| Test Code | Test Name - (*) found by Test Code | Production Lab | Found by Synonym |
| AERID | AEROBIC ORGANISM ID | ARUP | YES |
| AMISO | AMYLASE ISOENZYMES | ARUP | YES |
| ANRID | ANAEROBE IDENTIFICATION | ARUP | YES |
| SCR | ANTIBODY SCREEN (INDIRECT COOMBS) | NPL | YES |
| IC | CALCIUM, IONIZED | ARUP | YES |
| PCRE | CREATININE (POC), I-STAT | STAH | YES |
| FNTLS | FENTANYL, SERUM | MEDTOX | YES |
| FNTLU | FENTANYL, URINE | MEDTOX | YES |
| MLDID | FUNGAL (MOULD/YEAST) IDENTIFICATION | ARUP | YES |
| IBU | IBUPROFEN | ARUP | |
| IGFBP | IGF BINDING PROTEIN-3 | ARUP | |
| IGGI | IGG INDEX (IGG,CSF INDEX) | ARUP | |
| IGGS | IGG SUBCLASSES, (1,2,3,4) | ARUP | |
| IMIP | IMIPRAMINE/DESIPRAMINE | ARUP | |
| ICP | IMMUNE COMPLEX PANEL | ARUP | |
| IFEU | IMMUNOFIXATION ELECTROPHORESIS, URINE | ARUP | |
| IGAA | IMMUNOGLOBULIN A, SERUM | ARUP | |
| IGE | IMMUNOGLOBULIN E | ARUP | |
| FREEL | IMMUNOGLOBULIN FREE LIGHT CHAINS | MAYO | |
| IGG | IMMUNOGLOBULIN, IgG | NPL | |
| IGM | IMMUNOGLOBULIN, IgM | NPL | |
| INFAB | INFLUENZA A & B, RAPID | NPL | |
| INFLU | INFLUENZA A AND B, DFA | NPL | |
| INFAM | INFLUENZA A VIRUS ANTIBODY | MAYOSU | |
| INFAR | INFLUENZA A, RAPID | NPL | |
| INFBM | INFLUENZA B VIRUS ANTIBODY | MAYOSU | |
| INFBR | INFLUENZA B, RAPID | NPL | |
| CHEPN | INSECTISIDE EXPOSURE PANEL | ARUP | |
| INSUL | INSULIN | ARUP | |
| INSAB | INSULIN ANTIBODY | ARUP | |
| IGF1 | INSULIN-LIKE GROWTH FACTOR 1 (IGF-1) | ARUP | |
| PTHCS | INTACT PTH, CS CALCIUM | ARUP | |
| IL6 | INTERLEUKIN 6 BY MAFD | ARUP | |
| IFBLK | INTRINSIC FACTOR BLOCKING ANTIBODY | ARUP | |
| IRON | IRON | NPL | |
| IRS | IRON & TRANSFERRIN | NPL | |
| IRONL | IRON, LIVER TISSUE | MAYOSU | |
| ICABG | ISLET CELL AB IGG | ARUP | |
| IVYBT | IVY BLEEDING TIME | NPL | |
| IFES | MONOCLONAL PROTEIN DETECT. QUANT& CHARAC | ARUP | YES |
| INPTH | PARATHYROID HORMONE, INTACT WITH CALCIUM | ARUP | YES |
| PIBD7 | PROMETHEUS IBD SEROLOGY 7 | MAYO | YES |
| SWINE | SWINE INFLUENZA (H1N1) | NDPHL | YES |