| K981375 | ACE T UPTAKE REAGENT TU CALIBRATORS | Schiapparelli Biosystems, Inc. | 1998-06-10 |
| K980088 | T-UPTAKE MICROPLATE EIA | Monobind | 1998-02-04 |
| K970539 | CHIRON DIAGNOSTICS ACS:180TU P | Chiron Diagnostics Corp. | 1997-03-24 |
| K964308 | VITROS IMMUNODIAGNOSTICS PRODUCTS T3 UPTAKE REAGENT PACK (GEM.1025) AND T3 UPTAKE CALIBRATORS (GEM.C025) | Johnson & Johnson Clinical Diagnostics, Inc. | 1996-11-27 |
| K961488 | ELECSYS T-UPTAKE ASSAY | Boehringer Mannheim Corp. | 1996-06-12 |
| K954807 | CEDIA T UPTAKE ASSAY | Boehringer Mannheim Corp. | 1995-12-21 |
| K951586 | T-UPTAKE EIA TEST | Diagnostic Reagents, Inc. | 1995-05-15 |
| K933414 | STRATUS(R) THYROID UPTAKE FLUOR ENZYME IMMUNOASSAY | Baxter Diagnostics, Inc. | 1994-11-22 |
| K935816 | VIDAS T UPTAKE | Biomerieux Vitek, Inc. | 1994-03-22 |
| K926220 | T3 UPTAKE CHEMILUMINESCENCE ASSAY | Nichols Institute Diagnostics | 1993-11-17 |
| K931294 | IQ TUPTAKE ASSAY | Becton Dickinson Advanced Diagnostics | 1993-07-22 |
| K926443 | COBAS(R)-FP REAGENTS FOR T-UPTAKE/CALIBRATORS | Roche Diagnostic Systems, Inc. | 1993-05-20 |
| K925257 | CIBA CORNING ACS T UPTAKE IMMUNOASSAY | Ciba Corning Diagnostics Corp. | 1992-12-28 |
| K923676 | VISTA THYROXINE UPTAKE ASSAY | Syva Co. | 1992-10-09 |
| K913663 | AIA-PACK T-U | Tosoh Corp. | 1991-09-30 |