| K-ASSAY (R) RF (Ver.2), K-ASSAY (R) RF Calibrator (Ver.2) (K192727) | Kamiya Biomedical Company | 2020-05-20 |
| QUANTA Flash RF IgM Reagents, QUANTA Flash RF IgA Reagents (K190088) | Inova Diagnostics, Inc. | 2019-04-17 |
| EliA RF IgM Immunoassay (K182747) | Phadia AB | 2018-12-18 |
| Optilite Rheumatoid Factor Kit (K162263) | The Binding Site Group , Ltd. | 2017-05-03 |
| Rheumatoid Factor (RF) Kit for use on SPAPLUS (K160070) | The Binding Site Group , Ltd. | 2016-12-07 |
| ImmuLisa Enhanced RF IgA Antibody ELISA, ImmuLisa Enhanced RF IgG Antibody ELISA, ImmuLisa Enhanced RF IgM Antibody ELISA, ImmuLisa Enhanced RF Antibody Screen ELISA (K143736) | Immco Diagnostics, Inc. | 2015-09-23 |
| RHEUMATOID FACTOR IMMUNOLOGICAL TEST SYSTEM (K102673) | Phadia US, Inc. | 2011-09-30 |
| ORGENTEC RHEUMATOID FACTOR EIA (K100499) | Orgentec Diagnostika GmbH | 2010-10-27 |
| IGX PLEX RHEUMATOID ARTHRITIS (RA) ASSAY AND SQIDWORKS DIAGNOSTICS PLATFORM (K083080) | Sqi Diagnostics Systems | 2009-10-29 |
| N LATEX RF KIT (K071247) | Dade Behring, Inc. | 2007-08-08 |
| OLYMPUS RF LATEX CALIBRATOR, AND OLYMPUS RF LATEX REAGENT WITH MODEL(S): ODC0028, AND OSR61105. (K060201) | Olympus America, Inc. | 2006-06-06 |
| MININEPH HUMAN RHEUMATOID FACTOR KIT (K041891) | The Binding Site | 2004-11-05 |
| VITROS CHEMISTRY PRODUCTS RF REAGENT, VITROS CHEMISTRY PRODUCTS CALIBRATOR KIT 16, VITROS CHEMISTRY PRODUCTS FS (K041863) | Ortho-Clinical Diagnostics, Inc. | 2004-09-20 |
| ATHENA MULTI-LITE RHEUMATOID FACTOR IGM TEST SYSTEM (K033802) | Zeus Scientific, Inc. | 2004-02-27 |
| MODIFICATION TO:ROCHE DIAGNOSTICS TINA-QUANT RHEUMATOID FACTORS II TEST SYSTEM (K032535) | Roche Diagnostics Corp. | 2003-09-10 |
| RHEUMATOID FACTOR (RF) (K024067) | Abbott Laboratories | 2003-01-15 |
| WAKO RF-HA (2), RF CALIBRATOR, RF CALIBRATOR SET (K020972) | Wako Chemicals USA, Inc. | 2002-09-09 |
| DIAMEDIX IS-RHEUMATOID FACTOR TEST SYSTEM (K021394) | Diamedix Corp. | 2002-07-09 |
| TINA-QUANT RHEUMATOID FACTORS II TEST SYSTEM (K002609) | Roche Diagnostics Corp. | 2000-09-05 |
| COBAS INTEGRA REAGENT CASSETTE FOR RHEUMATOID FACTOR II (K000534) | Roche Diagnostics Corp. | 2000-04-05 |
| AUTOSTAT II RHEUMATOID FACTOR IGA ELISA (K993557) | Cogent Diagnotics , Ltd. | 2000-03-03 |
| AUTOSTAT II RHEUMATOID FACTOR IGM ELISA (K994338) | Cogent Diagnotics , Ltd. | 2000-02-03 |
| MDI RF TEST (K993843) | Micro Detect, Inc. | 2000-01-11 |
| AUTOSTAT II RHEUMATOID FACTOR IGG ELISA (K993304) | Cogent Diagnotics , Ltd. | 1999-12-06 |
| K-ASSAY RHEUMATOID FACTOR CALIBRATOR SET (K991467) | Kamiya Biomedical Co. | 1999-06-10 |
| K-ASSAY RHEUMATOID FACTOR (K991409) | Kamiya Biomedical Co. | 1999-06-09 |
| ABBOTT LIQUID RF CONTROL, MODELS 2E04-01, 2E05-01, 2E06-01 (K990587) | Bio-Rad | 1999-04-07 |
| RF (K990035) | Abbott Laboratories | 1999-03-08 |
| RF CONTROL FOR IMMUNOTURBIDIMETRIC ASSAYS (K984045) | Kamiya Biomedical Co. | 1999-01-25 |
| THE APTUS(AUTOMATED)APPLICATION OF THE RHEUMATOID FACTOR IGM ELISA TEST SYSTEM. AN ENZYME LINKED IMMUNOSORBENT ASSAY(EL (K983418) | Zeus Scientific, Inc. | 1998-11-18 |
| QUANTA LITE RF IGA ELISA (K983084) | Inova Diagnostics, Inc. | 1998-11-04 |
| QUANTA LITE RF IGG ELISA (K983083) | Inova Diagnostics, Inc. | 1998-11-04 |
| COLOR-SLIDE RF (K981496) | Seradyn, Inc. | 1998-06-15 |
| DIAMEDIX IS-RF TEST SYSTEM (K974889) | Diamedix Corp. | 1998-03-06 |
| RAPET RF (K974370) | Stanbio Laboratory | 1998-02-17 |
| RHEUMACOL RHEUMATOID FACTOR TEST (K972456) | Immunostics Inc., | 1997-11-25 |
| QUANTEX RF PLUS (LATEX, BUFFER, STANDARD, CONTROL) (K973464) | Instrumentation Laboratory CO | 1997-10-22 |
| RHEUMATOID FACTOR LATEX-ENHANCED IMMUNOTURBIDIMETRIC TEST KIT (K972220) | Randox Laboratories, Ltd. | 1997-09-09 |
| ARRAY SYSTEMS RHEUMATOID FACTOR (RFMPE) REAGENT (K971602) | Beckman Instruments, Inc. | 1997-06-27 |
| QUANTA LITE RF IGM (K971614) | Inova Diagnostics, Inc. | 1997-06-20 |
| TINAQUANT RHEUMATOID FACTOR ASSAY (K971379) | Boehringer Mannheim Corp. | 1997-06-17 |
| SYNCHRON SYSTEMS RHEUMATOID FACTOR (RF) REAGENT, SYNCHRON CX SYSTEMS RF CALIBRATOR (K971788) | Beckman Instruments, Inc. | 1997-06-03 |
| RAICHEM RHEUMATOID FACTOR SPIA (K970373) | Henage Diagnostics, Inc. | 1997-04-17 |
| HYCOR HY.TEC/MANUAL RF AUTO-ANTIBODY (K962729) | Hycor Biomedical, Inc. | 1997-03-07 |
| THERATEST EL-RFSCR (K962050) | Theratest Laboratories, Inc. | 1996-12-16 |
| N-ASSAY TIA RHEUMATOID FACTOR TEST KIT (K964415) | Kamiya Technology Services | 1996-12-13 |
| N-ASSAY TIA RHEUMATOID FACOTR MULTI-CALIBRATOR SET (K964418) | Kamiya Technology Services | 1996-12-13 |
| RHEUMATOID FACTOR (RF) REAGENTI A LATEX SLIDE TEST (K962015) | Teco Diagnostics | 1996-11-25 |
| IMMAGE SYSTEM RHEUMATOID FACTOR (RF) REAGENT (K963048) | Beckman Instruments, Inc. | 1996-11-04 |
| QUALITROL RF CONTROLS (K961545) | Consolidated Technologies, Inc. | 1996-09-24 |
| HEMAGEN RHEUMATOID FACTOR KIT (EIA METHOD) (K962836) | Hemagen Diagnostics, Inc. | 1996-09-12 |
| RHEUMATOID FACTOR LATEX SLIDE TEST KIT (K961169) | Randox Laboratories, Ltd. | 1996-06-26 |
| LIQUICHEK RHEUMATOID FACTOR CONTROL (K960987) | Bio-Rad | 1996-06-04 |
| RF IGM ELISA TEST SYSTEM (K961277) | Zeus Scientific, Inc. | 1996-05-08 |
| RF-LATEX SEIKEN REAGENT SYSTEM (K960703) | Globe Management Support, Inc. | 1996-04-19 |
| HYTEC AUTOMIMMUNE KIT (RF) (K954892) | Hycor Biomedical, Inc. | 1995-12-26 |
| TEST, RHEUMATOID FACTOR (K955086) | Polymedco, Inc. | 1995-12-20 |
| OLYMPUS RHEUMATOID FACTOR IMMUNOTURBIDIMETRIC REAGENT (K953520) | Olympus America, Inc. | 1995-08-24 |
| CHROMALEX RHEUMATOID FACTOR LATEX TEST SYSTEM (K953261) | Shared Systems, Inc. | 1995-08-15 |
| EL-RF/3 (IGM-IGG-IGA) KIT (K941398) | Theratest Laboratories, Inc. | 1995-07-28 |
| IGM RF EIA (K942908) | Sigma Diagnostics, Inc. | 1995-01-20 |
| N LATEX RF (K942328) | Behring Diagnostics, Inc. | 1994-10-20 |
| IGM RHEUMATOID FACTOR (K942272) | Immco Diagnostics, Inc. | 1994-09-26 |
| EL-RF TEST SYSTEM: EL-RF-IGM KIT (K933712) | Theratest Laboratories, Inc. | 1994-01-28 |
| EYE SPOT RF TEST (K932437) | J & S Medical Assoc., Inc. | 1993-08-23 |
| IMMUNO RA UNDILUTED (K926569) | Immunostics Co., Inc. | 1993-04-06 |
| RHEUMA-LEX(TM) SYST: RHEUMATOID FACTOR LATEX TEST (K915320) | Trinity Laboratories, Inc. | 1992-12-07 |
| ACCUTEX RHEUMATIOD FACTOR (RF) LATEX TEST (K924036) | J.S. Medical Assoc. | 1992-12-01 |
| LIQUICHEK RHEUMATOID FACTOR CONTROL (K923578) | Bio-Rad | 1992-10-06 |
| PULSE RF TEST (K923771) | Pulse Scientific, Inc. | 1992-10-05 |
| TECH SIMPLE RHEUMATOID FACTOR SERUM CONTROL (K922725) | Simplicity Diagnostics, Inc. | 1992-10-05 |
| ENCORE RHEUMATOID FACTOR EIA (K924056) | Clark Laboratories, Inc. | 1992-09-25 |
| WAKO AUTOKIT RF (K922151) | Wako Chemicals USA, Inc. | 1992-07-28 |
| RF STAT IGM TEST KIT (K920753) | Biowhittaker Molecular Applications, Inc. | 1992-03-30 |
| HEALTHTEST RHEUMATOID FACTOR ASSAY (K920220) | Akers Research Corp. | 1992-03-13 |
| TURBIQUANT (K920124) | Behring Diagnostics, Inc. | 1992-03-02 |
| RHEUMAGEN RF T-CONTROL (K904310) | Biokit USA, Inc. | 1991-05-31 |
| RHEUMAJET RF (K910539) | Biokit USA, Inc. | 1991-04-05 |
| CROMATEST RHEUMATOID DIAGNOSTIC/RF LATEX TEST (K904498) | Biotrax, Inc. | 1990-10-29 |
| V-TREND TARGET RF TEST (K904105) | Texas Immunology, Inc. | 1990-10-15 |
| RAPITEX(R) RF NEW (K903852) | Behring Diagnostics, Inc. | 1990-08-30 |
| MODIFIED QM300 RHEUMATOID FACTOR TEST (K902462) | Kallestad Diag, A Div. of Erbamont, Inc. | 1990-06-21 |
| QUANTEX RF PLUS (LATEX, BUFFER STANDARD, CONTROL) (K896271) | Biokit USA, Inc. | 1989-11-08 |
| TECHNICON DPA-1 SYSTEM RF METHOD (K894574) | Technicon Instruments Corp. | 1989-08-10 |
| REAADS-RF TEST KIT-SEMIQUANTITATIVE (K892445) | Biosearch Medical Products, Inc. | 1989-06-05 |
| REAADS-RF TEST KIT-QUANTITATIVE (K892444) | Biosearch Medical Products, Inc. | 1989-06-05 |
| TURBOX RHEUMATOID FACTOR IMMUNOLOGICAL TEST SYSTEM (K884180) | Unipath , Ltd. | 1989-02-03 |
| UBI MAGIWEL RF-IGM QUANTITATIVE (K883355) | United Biotech, Inc. | 1988-09-07 |
| QM300 CALIBRATOR E PACK (K883538) | Kallestad Diag, A Div. of Erbamont, Inc. | 1988-09-07 |
| QM300 RHEUMATOID FACTOR ANTIGEN PACK (K883536) | Kallestad Diag, A Div. of Erbamont, Inc. | 1988-09-07 |
| RF CARD TEST & RF LIQUID TEST (K880164) | Ampcor, Inc. | 1988-02-10 |
| RF DIPSTICK TEST KIT (K874151) | Lipogen, Inc. | 1987-12-29 |
| REUMA TEST (K873782) | Sclavo, Inc. | 1987-11-27 |
| AMTEC RHEUMATOID FACTOR LATEX AGGLUTINATION KIT (K873064) | Amtec Diagnostics International, Inc. | 1987-11-04 |
| RHEUMA-CHECK ENZYME IMMUNOASSAY TEST (K871196) | Orion Diagnostica, Inc. | 1987-05-06 |
| RF MICROASSAY (K871041) | Diamedix Corp. | 1987-03-31 |
| READS RF TEST KIT FOR IGM RHEUMATOID FACTOR (K863238) | Biostar Medical Products, Inc. | 1986-10-08 |
| SERATEST RF (HEMAGGLUTINATION) KIT (K855221) | Hemagen Diagnostics, Inc. | 1986-04-22 |
| DIESSE RF TEST KIT (K854222) | Marvic Interpharma, Inc. | 1986-02-06 |
| RA 80 EIKEN (K854820) | Syn-Kit, Inc. | 1986-01-17 |