| UNCONJUGATED ESTRIOL ASSAY FOR THE BAYER IMMUNO 1 SYSTEM (IN VITRO DIAGNOSTIC SYSTEM) (K974721) | Bayer Corp. | 1998-03-03 |
| ACTIVE ULTRASENSITIVE UNCONJUGATED ESTRIOL EIA (K962875) | Diagnostic Systems Laboratories, Inc. | 1996-08-23 |
| ACTIVE ULTRA-SENSITIVE UNCONJUGATED ESTRIOL (K955356) | Diagnostic Systems Laboratories, Inc. | 1996-05-15 |
| COAT-A-COUNT FREE ESTRIOL (K932989) | Diagnostic Products Corp. | 1994-12-19 |
| AUTODELFIA UNCONJUGATED ESTRIOL (UE3) KIT (K944490) | Wallac OY | 1994-12-09 |
| AMERLEX-M HIGH SENSITIVITY UNCONJUGATED ESTRIOL (K920576) | Eastman Kodak Company | 1992-03-23 |
| MICROZYME UNCONJUGATED ESTRIOL ENZYME IMMUNO KIT (K903359) | Immunotech Corp. | 1990-08-22 |
| IMMPULSE FREE ESTRIOL ASSAY REAGENTS (K860900) | Sclavo, Inc. | 1986-04-28 |
| SOLID PHASE FREE ESTRIOL ENZYME IMMUNOASSAY (K850787) | Nms Pharmaceuticals, Inc. | 1985-03-26 |
| RADIOIMMUNOASSAY OF HUMAN SERUM PLASMA OR URINE TO (K844767) | Biotecx Laboratories, Inc. | 1985-02-01 |
| TDX TOTAL ESTRIOL (K844511) | Abbott Laboratories | 1985-01-18 |
| AMERLEX-M SPECIFIC ESTRIOL UNCONJUGATED (K844408) | Amersham Corp. | 1984-12-11 |
| ENDAB ESTRIOL UNCONJUGATED (K840902) | Immunotech Corp. | 1984-04-18 |
| RIANEN ESTRIOL RADIOIMMUNOASSAY KIT (K840301) | New England Nuclear | 1984-03-30 |
| DSL 1900 (K830816) | Diagnostic Systems | 1983-04-12 |
| FREE & TOTAL ESTRIOL KIT (K823202) | Diagnostic Products Corp. | 1982-12-15 |
| MICROMEDIC ESTRIOL RIA KIT (K822578) | Micromedic Systems | 1982-10-26 |
| DSL 1400 (K822314) | Diagnostic Systems Laboratories, Inc. | 1982-09-30 |
| AUTOPAK ESTRIOL TEST DELIVERY SYSTEM (K821678) | Micromedic Systems | 1982-06-24 |
| QUANTIMUNE ESTRIOL RIA (K820728) | Bio-Rad | 1982-04-06 |
| COAT-A-COUNT FREE & TOTAL ESTRIOL KIT (K812768) | Diagnostic Products Corp. | 1982-01-18 |
| QUANTIMUNE ESTRIOL RIA (K811709) | Bio-Rad | 1981-07-10 |
| ESTRIOL KIT (K811380) | Cambridge Nuclear Corp. | 1981-06-09 |
| NATAL-TEC ESTRIOL (K811371) | Armkel, LLC | 1981-05-29 |
| AMERLEX ESTRIOL RIA KIT (K810667) | Amersham Corp. | 1981-03-31 |
| IMMUNOREACTIVE ESTRIOL RIA KIT (K802754) | Microanalytic Research, Inc. | 1981-01-21 |
| QUANTIMUNE E3 RIA (K802944) | Bio-Rad | 1980-12-22 |
| ESTRIOL-SQUIBB RIA KIT (K802455) | E. R. Squibb & Sons, Inc. | 1980-10-31 |
| ARIA II 125- I-ESTRIOL SYSTEM (K801735) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1980-09-16 |
| ESTRIOL RIA KIT FOR USE WITH GAMMAFLO (K801424) | Squibb & Sons, Inc. | 1980-07-21 |
| TOTAL ESTRIOL RIA KIT (K800036) | Amersham Corp. | 1980-01-21 |
| NORDICLAB TOTAL ESTRIOL RIA TEST (K792189) | Nordiclab Intl. | 1979-11-13 |
| RSL'S ASSAY PROCEDURE QUANTITATION (K791728) | Radioassay Systems Laboratories, Inc. | 1979-09-27 |
| I ESTRIOL (K790008) | Cambridge Nuclear Corp. | 1979-02-26 |
| RIA KIT, GAMMADAB ESTRIOL (K781938) | Clinical Assays, Inc. | 1979-01-10 |
| RIA, QUANTIMUNE E3 (K781850) | Bio-Rad | 1979-01-03 |
| DIRECT ESTRIOL RIA KIT (K781546) | Immunalysis Corporation | 1978-12-04 |
| I-ESTRIOL TEST SET (K781599) | Wien Laboratories, Inc. | 1978-10-17 |
| HUMAN FOLLICLE STIMULATING HORMONE (K780016) | Pcl-Ria, Inc. | 1978-02-03 |
| RIANEN ESTRIOL RIA KIT (K772323) | New England Nuclear | 1978-01-05 |
| UNCONJUGATED ESTRIOL RIA KIT (K772215) | Amersham Corp. | 1977-12-22 |
| RIA-120 AND ESTRIOL REAGENT SYSTEM (K770465) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1977-06-02 |