| VITROS® Automation Solutions (K160495) | Ortho-Clinical Diagnostics, Inc. | 2016-10-18 |
| ACE -GT REAGENT; ACE LIPASE RAGENT; ACE T4 REAGENT (K131515) | Alfa Wassermann | 2013-08-14 |
| GSP NEONATAL THYROXINE (T4) (K103484) | Wallac Oy, A Subsidiary of Perkinelmer, Inc. | 2011-04-22 |
| ADVIA CENTAUR SYSTEM WITH STREAMLAB ANALYTICAL WORKCELL (K082638) | Siemens Healthcare Diagnostics, Inc. | 2009-02-26 |
| ACCUBIND NEONATAL T4 MICROPLATE EIA, MODEL 2625-300 (K030860) | Monobind | 2003-08-22 |
| ACCESS TOTAL T4 ASSAY (K023369) | Beckman Coulter, Inc. | 2002-12-09 |
| REPROBEAD T4 ENZYME IMMUNOASSAY REAGENT KIT (CATALOG# 105) (K001603) | Repromedix Corp. | 2000-10-05 |
| SYVA EMIT 2000 THYROXINE ASSAY, CALIBRATORS (K000600) | Syva Co., Dade Behring, Inc. | 2000-03-27 |
| BIOCHECK TOTAL T4 ENZYME IMMUNOASSAY TEST KIT, MODEL BC-1007 (K991432) | Biocheck, Inc. | 1999-06-02 |
| OPTICOAT T4 EIA KIT (K982298) | Biotecx Laboratories, Inc. | 1999-02-03 |
| ABBOTT ARCHITECT TOTAL T4 (K983440) | Abbott Laboratories | 1998-11-25 |
| ACE T4 REAGENT T4 CALIBRATORS (K981377) | Schiapparelli Biosystems, Inc. | 1998-06-10 |
| ACCUWELL T4-EIA (K972974) | Neometrics, Inc. | 1997-10-06 |
| TOTAL THROXINE MICROPLATE EIA(225-300) (K971709) | Monobind | 1997-06-16 |
| DSL ACTIVE T4 EIA (K971269) | Diagnostic Systems Laboratories, Inc. | 1997-05-22 |
| SYNCHRON SYSTEMS THYROXINE REAGENT (K971203) | Beckman Instruments, Inc. | 1997-05-16 |
| VITROS IMMUNODIAGNOSTICS PRODUCTS TOTAL T4 REAGENT PACK (GEM.1005) TOTAL T4 CALIBRATORS (GEM.C005) (K964721) | Johnson & Johnson Clinical Diagnostics, Inc. | 1996-12-18 |
| ISOLAB'S T4 TEST KIT (K951014) | Isolab, Inc. | 1996-10-18 |
| UBI MAGIWEL THYROXINE (T4) QUANTITATIVE (K962211) | United Biotech, Inc. | 1996-07-08 |
| BIOCIRCUITS IOS T4/TU TEST CARTRIDGES (K952751) | Biocircuits Corp. | 1995-11-20 |
| BIOCIRCUITS IOS T4 TEST CARTRIDGE (K953837) | Biocircuits Corp. | 1995-11-20 |
| RADIAS NEONATAL T4 ENZYME IMMUNOASSAY (K951321) | Bio-Rad | 1995-08-24 |
| T4 MICROWELL EIA (ENZYME IMMUNOASSAY0 (K950588) | Biomerica, Inc. | 1995-06-29 |
| RADIAS TOTAL T4 ENZYME IMMUNOASSAY (K946163) | Bio-Rad | 1995-02-22 |
| THYROXINE ENZYME IMMUNOASSAY (K944703) | Diagnostic Reagents, Inc. | 1994-12-09 |
| CEDIA T4 MAB ASSAY (K943019) | Microgenics Corp. | 1994-10-20 |
| CEDIA T4 MAB ASSAY (K942575) | Microgenics Corp. | 1994-07-28 |
| CEDIA T4 MAB ASSAY (K941042) | Microgenics Corp. | 1994-04-26 |
| CEDIA T4 MAB ASSAY MODIFICATION (K935880) | Microgenics Corp. | 1994-03-03 |
| COBAS (R) CORE T4 EIA (K932605) | Roche Diagnostic Systems, Inc. | 1994-01-24 |
| ACCESS(R) THYROXINE ASSAY (K926475) | Bio-Rad Laboratories, Inc. | 1993-06-15 |
| VIDAS THYROXINE (T4) ASSAY (T4) (K926393) | Biomerieux Vitek, Inc. | 1993-05-13 |
| VISTA THYROXINE (T-4) ASSAY -- MODIFICATION (K922433) | Syva Co. | 1992-09-18 |
| THYROXINE (FPIA) KIT (K921904) | Tudor Laboratories, Inc. | 1992-06-24 |
| MEDIX BIOTECH THROXINE ENZYME IMMUNOASSAY TEST KIT (K920712) | Medix Biotech, Inc. | 1992-03-27 |
| CEDIA T4 (K915194) | Boehringer Mannheim Corp. | 1991-12-09 |
| TECHNICON IMMUNO 1 TM SYSTEM ADDITIONAL ANALYTES (K912616) | Technicon Instruments Corp. | 1991-09-25 |
| SR1 T4 ENZYME IMMUNOASSAY (MAGNETIC SOLID-PHASE) (K911217) | Serono-Baker Diagnostics, Inc. | 1991-08-16 |
| IMMULITE(TM) TOTAL T4 (K910261) | Cirrus Diagnostics, Inc. | 1991-04-16 |
| IL THYROXINE (T4) ASSAY SYSTEM (K903095) | Instrumentation Laboratory CO | 1990-08-23 |
| NDS THYROXINE TEST KIT & NDS THYROXINE CALIBRATOR (K897072) | Kallestad Diag, A Div. of Erbamont, Inc. | 1990-03-29 |
| OPUS T4 TEST SYSTEM (K897193) | Pb Diagnostic Systems, Inc. | 1990-03-19 |
| THYROXIN(T4) ENZYME IMMUNOASSAY TEST KIT (K897144) | Medix Biotech, Inc. | 1990-03-15 |
| AIA-PACK T4 (K896982) | Tosoh Corp. | 1990-03-09 |
| VITRO T4-EIA-XT (K896865) | In Vitro Diagnostics, Inc. | 1990-01-30 |
| D-CHEM TOTAL T4 TEST KIT FOR THYROXINE QUANTITA. (K896329) | Photec Diagnostics, Inc. | 1989-12-12 |
| T4 CLASP-BEAD EIA KIT (K892853) | Biotecx Laboratories, Inc. | 1989-05-22 |
| EMIT CONVENIENCE PACK: THYROXINE ASSAY (K890831) | Syva Co. | 1989-04-14 |
| THYROXINE MICROASSAY (K884260) | Diamedix Corp. | 1989-02-23 |
| ACA THYROXINE (T4 E) METHOD (K885258) | The DU Pont Co. | 1989-02-17 |
| EMIT THYROXINE ASSAY (K885141) | Syva Co. | 1989-02-17 |
| ANALYST THYROXINE (T4) ROTOR (K884700) | The DU Pont Co. | 1989-01-27 |
| MODIFIED CEDIA TOTAL T4 ASSAY (K884634) | Microgenics Corp. | 1988-12-09 |
| EMIT CONVENIENCE PACK: THYROXINE ASSAY (K881357) | Syva Co. | 1988-05-27 |
| EMIT THYROXINE ASSAY (K880620) | Syva Co. | 1988-03-24 |
| VISION(R) THYROXINE (T4) (K880662) | Abbott Laboratories | 1988-03-16 |
| T4 SEROZYME ENZYMEIMMUNOASSAY KIT/MAG. SOLID PHASE (K874866) | Serono Diagnostics, Inc. | 1988-02-11 |
| CIBA CORNING T4 LIPIA (LIPOSOME IMMUNOASSAY) (K874603) | Ciba Corning Diagnostics Corp. | 1987-12-18 |
| AMERLITE TT4 ASSAY (240/480/144 TEST KITS) (K873976) | Amersham Corp. | 1987-11-05 |
| AFFINITY TOTAL THYROXINE IMMUNIT (K873518) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1987-10-29 |
| IMMUBEAD T4 ENZYME IMMUNOASSAY KIT (K872192) | Immunotech Corp. | 1987-08-13 |
| CIBA CORNING PRISMA T4 LIPIA (LIPOSOME) (K862233) | Ciba Corning Diagnostics Corp. | 1986-10-14 |
| V-TREND EIA T4 ENZYME IMMUNOASSAY TEST KIT (K854971) | V-Tech, Inc. | 1986-02-06 |
| CEDIA TOTAL T4 ASSAY (K852164) | Microgenics Corp. | 1985-07-22 |
| TERUMO SENSIBEAD THYROXINE EIA KIT (K841601) | Terumo Medical Corp. | 1984-05-22 |
| TECHNICON RA-1000 SYS T4-THYROXINE (K841576) | Technicon Instruments Corp. | 1984-05-22 |
| VENTREZYME T4 IMMUNOASSAY T4 (K840473) | Vxr, Inc. | 1984-04-04 |
| THYROXINE EMIA (K840241) | Collaborative Research, Inc. | 1984-03-30 |
| RA-1000 SYS-T4(THYROXINE)SERUM ANAL (K834102) | Technicon Instruments Corp. | 1984-03-15 |
| STRATUS TOTAL THYROXINE FLUOROMETRIC (K834210) | American Dade | 1984-03-05 |
| TDX THYROXINE (K830683) | Abbott Laboratories | 1983-04-06 |
| FEKAL CON-TRATE SYSTEM (K830769) | Trend Scientific, Inc. | 1983-04-05 |
| PARAMOUNT THYROXINE ASSAY (K830136) | Syva Co. | 1983-02-07 |
| SOPHEIA THYROXINE EIA KIT (K823751) | Diagnostic Products Corp. | 1983-01-12 |
| SYVA ADVANCE THYROXINE ASSAY (K823034) | Syva Co. | 1982-11-08 |
| ENZYMUNE-TEST T4 (K820750) | Icl Scientific | 1982-04-06 |
| EMIT-TFG PRISMA THYROXINE ASSAY (K810586) | Syva Co. | 1981-03-17 |
| OREIA-Q-TY, ENZYME IMMUNOASSAY (K802693) | Organon, Inc. | 1980-12-10 |
| APPLICATION OF EMIT AED ASSAYS (K801475) | Syva Co. | 1980-07-08 |
| EMIT AAII THYROXINE ASSAY (K801288) | Syva Co. | 1980-06-30 |
| SMAC SYSTEM, T4 METHOD (K800384) | Technicon Instruments Corp. | 1980-03-19 |
| A-GENT QUANTICHROM T4 11A (K790848) | Abbott Laboratories | 1979-08-10 |
| EMIT CFA THYROXINE ASSAY (K790686) | Syva Co. | 1979-05-25 |
| EMIT THYROXINE ASSAY (K782085) | Syva Co. | 1979-02-01 |
| COMPUTER, 3500, GILFORD SYSTEM (K781828) | Syva Co. | 1978-12-04 |
| ENIT ABA THYROXINE ASSAY (K770070) | Syva Co. | 1977-01-21 |