| ELECSYS T4 ASSAY (K961490) | Boehringer Mannheim Corp. | 1996-06-13 |
| ACTIVE THYROXINE RIA (K954312) | Diagnostic Systems Laboratories, Inc. | 1995-10-07 |
| DELFIA NEONATAL THYROXINE KIT (K943416) | Wallac OY | 1995-03-10 |
| AXSYM(TM) TOTAL T4 (K934384) | Abbott Laboratories | 1994-06-21 |
| TOTAL T4 FPIA REAGENT SET/CALIBRATOR #T-1039,T-116 (K932980) | Sigma Diagnostics, Inc. | 1993-10-18 |
| STRATUS(R) TOTAL THYROXINE(T4) FLUOR ENZYME IMMUNO (K933426) | Baxter Diagnostics, Inc. | 1993-08-26 |
| IQ TT4 ASSAY (K931295) | Becton Dickinson Advanced Diagnostics | 1993-07-20 |
| AUTOBEAD(TM) T4 ENZYME IMMUNOASSAY TEST KIT (K926563) | Bio-Chem Laboratory Systems, Inc. | 1993-03-18 |
| ABBOTT IMX T4 (K925110) | Abbott Laboratories | 1993-01-26 |
| ABBOTT TDX/TDXFLX TT4 (K925109) | Abbott Laboratories | 1993-01-04 |
| TECHNICON DAX SYSTEM THYROXINE (T4) METHOD (K922945) | Heraeus Kulzer, Inc. | 1992-10-14 |
| THYROXINE (T4) COATED TUBE RIA (K921935) | Monobind | 1992-07-07 |
| T4 EIA BEAD ASSAY (K920766) | Tech-Co, Inc. | 1992-04-17 |
| CLINICAL ASSAYS GAMMA COAT FREE T4 RADIOIMM. KIT (K915235) | Incstar Corp. | 1992-01-28 |
| MILENIA TOTAL T4, CATALOG: MKT41,5 (K912541) | Diagnostic Products Corp. | 1991-08-12 |
| LUMATAG T4 CHEMILUMINESCENCE ASSAY (K911985) | London Diagnostics, Inc. | 1991-08-02 |
| THYROXINE MONOCLONAL ANTIBODY SOLID PHASE RADIOIMM (K904816) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1991-01-17 |
| CIBA CORNING ACS T4 IMMUNOASSAY (K905532) | Ciba Corning Diagnostics Corp. | 1991-01-15 |
| MICROZYME T4 ENZYME IMMUNOASSAY KIT (K902922) | Immunotech Corp. | 1990-07-27 |
| CLINICAL ASSAYS(TM) GAMMACOAT(TM) M [125I] T4 (K901475) | Baxter Healthcare Corp | 1990-06-20 |
| NEOCOAT T4 (K901939) | Neometrics, Inc. | 1990-05-31 |
| TECHNICON RA SYSTEM THYROXINE T4 METHOD (K894575) | Technicon Instruments Corp. | 1989-10-04 |
| DELFIA THYROXINE (T4) KIT (K883559) | Pharmacia, Inc. | 1988-12-14 |
| FIAGEN(TM) THYROXINE (T4), CATALOGUE #101-101 (K874623) | Cyberfluor, Inc. | 1988-02-16 |
| IMMPULSE T4 ASSAY REAGENTS (K875081) | Sclavo, Inc. | 1988-02-11 |
| CIBA CORNING MAGIC LITE FT4 IMMUNOASSAY (K872286) | Ciba Corning Diagnostics Corp. | 1987-07-21 |
| DELFIA(TM) THYROXINE (T4) KIT (K871303) | Lkb Instruments, Inc. | 1987-06-17 |
| MICROMEDIC NEONATAL T4 KIT (K871008) | Micromedic Systems | 1987-05-26 |
| CIBA CORNING MAGIC(R) LITE T4 IMMUNOASSAY (K870965) | Ciba Corning Diagnostics Corp. | 1987-05-14 |
| T4 NO SPIN(TM) COATED TUBE RADIOIMMUNOASSAY KIT (K870573) | Cambridge Medical Technology | 1987-04-22 |
| IQ T4 IMMUNOASSAY (K864560) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1986-12-16 |
| MMS T4 RIA KIT (K861320) | Micromedic Systems | 1986-04-24 |
| STRAT TOTAL THYROXINE FLUOROMET ENZYME IMMUNOASSAY (K860421) | American Dade | 1986-02-11 |
| T-4 RIASSAY (K854798) | Ria Diagnostics | 1986-01-15 |
| PANCOAT T4 COATED TUBE RADIOIMMUNOASSAY KIT (K854324) | Pantex, Div. Bio-Analysis, Inc. | 1985-12-05 |
| IMMPULSE T4 ASSAY REAGENTS (K840852) | Paragon Diagnostics, Inc. | 1984-04-18 |
| BIO-SCIENCE LABORATORIES T4 REAGENT (K834023) | Biosan Laboratories, Inc. | 1984-01-24 |
| T4 RIA (K833850) | Syncor Intl. Corp. | 1984-01-18 |
| RIACOAT T-4 (K833745) | Immuno Assay Corp. | 1984-01-04 |
| T4-RIA SINGLE REAGENT (K832468) | Fairlake Laboratories | 1983-09-12 |
| MAGIC T4 125I RADIOIMMUNOASSAY (K831533) | Corning Medical & Scientific | 1983-06-30 |
| COAT-A-COUNT NEONATAL T4 KIT RIA KIT (K831107) | Diagnostic Products Corp. | 1983-05-18 |
| PHASE THYROXINE RADIOIMMUNOASSAY KIT (K830642) | Medical & Scientific Designs, Inc. | 1983-04-05 |
| MONOCLONAL ANTIBODY T4 RADIO-KIT (K823265) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1982-12-09 |
| NML-TETRA-TUBE RIA (K823053) | Nuclear Medical Laboratories, Inc. | 1982-11-10 |
| BIO MAG TOTAL T4 RADIOIMMUNOASSAY KIT (K823004) | Bioclinical Group | 1982-11-05 |
| LEECO T4 QUANT DIAGNOSTICS TEST KIT (K822399) | Leeco Diagnostics, Inc. | 1982-09-13 |
| ZETAPHASE T4 RADIOIMMUNOASSAY DIAG. KIT (K821554) | Amf Biological and Diagnostics Co. | 1982-06-25 |
| SPAC T4 RIA TEST KIT (K820725) | Mallinckrodt Critical Care | 1982-06-01 |
| ENDAB T4 ENZYME IMMUNOASSAY KIT (K821141) | Immunotech Corp. | 1982-05-13 |
| TOTAL RADIOIMMUNOASSAY KIT (K821101) | Bioclinical Group | 1982-05-05 |
| THYROXINE T4 KIT (K820886) | Pcl-Ria, Inc. | 1982-04-16 |
| QUANTAPHASE T-4 RIA (K811787) | Bio-Rad | 1981-07-10 |
| COAT-A-COUNT T4 RIA KIT (K811315) | Diagnostic Products Corp. | 1981-05-27 |
| 125 I-T4 RIA TEST KIT (K811070) | Intl. Immunoassay Laboratories, Inc. | 1981-04-29 |
| T4 RIA KIT (K810811) | Immuno Assay Corp. | 1981-04-07 |
| IMMU-TRACE T4 RIA PROCEDURE (K803046) | American Dade | 1981-01-02 |
| SERUM T4 BY ENZYME IMMUNOASSAY (K802573) | Worthington Diagnostic Systems | 1980-11-24 |
| T4 RADIOIMMUNOASSAY KIT (K802469) | American Diagnostic Corp. | 1980-11-12 |
| T4-SQUIBB RIA KIT (K802456) | E. R. Squibb & Sons, Inc. | 1980-10-31 |
| THYROXINE RADIOIMMUNOASSAY KIT (K801105) | Calbiochem-Behring Corp. | 1980-06-09 |
| RIA PHASE T4 (K800203) | Boehringer Mannheim Corp. | 1980-03-19 |
| ANALYTE T4-THYROXINE (K800385) | Technicon Instruments Corp. | 1980-03-19 |
| AMERLEX T-4 RIA KIT (K800300) | Amersham Corp. | 1980-03-05 |
| AMES RIALYZE - CHROMATOGRAPHY TUBES (K800169) | Miles Laboratories, Inc. | 1980-02-13 |
| EMC-M-175, THYROXINE - 100 TUBES (K800187) | Endocrine-Metabolic Center | 1980-02-13 |
| TIPSEP-T4(RIA) T4 RADIOIMMUNOASSAY (K792599) | Nuclear Diagnostics, Inc. | 1980-01-16 |
| TETRABEAD - 125 T4 SOLID PHASE DIAG. KIT (K792188) | Abbott Laboratories | 1979-11-27 |
| IMMUCHEM COVALENT COAT SOLID PHASE ASSAY (K791664) | Immuchem Corp. | 1979-09-27 |
| VENTRE/SEP T4 TEST SET (K791368) | Ventrex Laboratories, Inc. | 1979-09-17 |
| DAC-CEL T4 (K791231) | Burroughs Wellcome Co. | 1979-09-04 |
| QUANTIMUNE T-4 FIA (K790576) | Bio-Rad | 1979-07-30 |
| AUTOPAK TEST DELIVERY SYSTEM (K790907) | Micromedic Systems | 1979-06-27 |
| CENTRIA T4 RIA TEST SET (K790800) | Ventrex Laboratories, Inc. | 1979-06-15 |
| NEONATAL TY AUTOPAK TEST DELIVERY SYSTEM (K790665) | Micromedic Systems | 1979-05-15 |
| THYROXINE RIA KIT (K790495) | Technia Diagnostics , Ltd. | 1979-05-03 |
| TY RIA KIT, AUTOMATED ASSAY SYSTEM (K790477) | E. R. Squibb & Sons, Inc. | 1979-04-26 |
| RIA KIT, GAMMACOAT (K782109) | Clinical Assays, Inc. | 1979-01-26 |
| RIA KIT, NEONATAL T4 (K782103) | Serono Laboratories, Inc. | 1979-01-17 |
| ACCUSCREEN T4 (K781222) | Neometrics, Inc. | 1978-11-08 |
| ORTHO*T-4 RIA (PEG) KIT (K781483) | Ortho Diagnostics, Inc. | 1978-09-27 |
| MICRO THYROXINE REAGENT SYSTEM (K781182) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1978-08-14 |
| CLINIRIA TOTAL T-4 (RIA) TEST (K781181) | Miles Laboratories, Inc. | 1978-08-14 |
| IV VITRO GAMMADAB T4 RIA KIT (K781235) | Clinical Assays, Inc. | 1978-08-14 |
| IN VITRO NEONATAL T4 (K780854) | Clinical Assays, Inc. | 1978-07-27 |
| T4-RIA KIT (K780707) | Clinical Bioresearch | 1978-06-14 |
| 125 I-T4 RIA REAGENT (K780672) | Radioimmunoassay, Inc. | 1978-06-06 |
| EMIT CENTRIFICHEM THYROXINE ASSAY (K780639) | Syva Co. | 1978-05-03 |
| RADIOASSAY FOR TOTAL SERUM THYROXINE (K780644) | Nuclear Diagnostics, Inc. | 1978-04-28 |
| THYRO-ZYME-T4 ASSAY KIT (K780401) | Coulter Electronics, Inc. | 1978-04-24 |
| OREIA-T4 (K780308) | Organon, Inc. | 1978-04-12 |
| STIKSEP-T4 RIA KIT (K780423) | Nuclear Diagnostics, Inc. | 1978-03-30 |
| REAGENTS, MANUEAL, ASSAY, THYROXINE (K780121) | Syva Co. | 1978-03-17 |
| ANALYSIS SYS., EMIT MAN. THYROXINE ASSAY (K780219) | Syva Co. | 1978-03-03 |
| THYROXINE STDS. IN HUMAN SERUM (K780050) | Pcl-Ria, Inc. | 1978-02-13 |
| T4 RIA KIT (K772330) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1978-01-12 |
| RIA FOR SERUM THYROXINE (K771415) | Clinical Immuno-Diagnostics | 1978-01-05 |
| EMIT CENTRIFICHEM THYROXINE ASSAY (K772170) | Syva Co. | 1977-12-22 |
| PEDIATRIC THYROXINE TEST SYS. T4 (K771609) | Corning Medical & Scientific | 1977-12-20 |
| IN VITRO DIAGNOSTIC REAGENT (K772096) | Pcl-Ria, Inc. | 1977-11-22 |