| K955873 | ACS PHENYTOIN ASSAY | CIBA CORNING DIAGNOSTICS CORP. |
| K955562 | INNOFLUOR PHENYTOIN ASSAY SYSTEM | OXIS INTL., INC. |
| K943313 | PHENYTOIN FPIA REAGENT SET AND CALIBRATORS | SIGMA DIAGNOSTICS, INC. |
| K936131 | COBAS-FP REAGENT FOR PHENYTOIN AND COBA-FP PHENYTOIN CALIBRATORS | ROCHE DIAGNOSTIC SYSTEMS, INC. |
| K935375 | AXSYM PHENYTOIN ASSAY | ABBOTT LABORATORIES |
| K896868 | OPUS PHENYTOIN TEST SYSTEM | PB DIAGNOSTIC SYSTEMS, INC. |
| K895827 | INNOFLUOR PHENYTOIN MANUAL FPIA REAGENT SET | INNOTRON OF OREGON, INC. |
| K872563 | INNOTRON INNOFLUOR PHEYTOIN REAGENT SET | INNOTRON OF OREGON, INC. |
| K862554 | IMMPULSE PHENYTOIN ASSAY REAGENT | SCLAVO, INC. |
| K842586 | PHENYTOIN KIT FLUORESCENCE POLARIZATION | WINDSOR LABORATORIES, INC. |
| K841706 | INNOFLUOR PHENYTOIN | INNOTRON DIAGNOSTICS |