| ARCHITECT Active-B12 (Holotranscobalamin) (K233541) | Axis-Shield Diagnostics, Ltd. | 2024-07-31 |
| Access Vitamin B12 (K223289) | Beckman Coulter, Inc. | 2022-12-23 |
| DxA 5000, DxI 800 Access Immunoassay System, Access Ferritin, Access Folate, Access TSH (3rd IS), Access Vitamin B12 (K190298) | Beckman Coulter Biomedical GmbH | 2019-10-04 |
| LIAISON Vitamin B12 (K192064) | DiaSorin, Inc. | 2019-10-02 |
| ADVIA Centaur Active-B12 (Holotranscobalamin) (AB12) Assay (K172133) | Axis-Shield Diagnostics, Ltd. | 2017-10-27 |
| Diazyme Vitamin B12 Assay, Diazyme Vitamin B12 Calibrators Set, Diazyme Vitamin B12 Controls Set (K161721) | Diazyme Laboratories | 2016-09-20 |
| ADVIA Centaur Active-B12 (Holotranscobalamin)(AB12) Assay, ADVIA Centaur Active-B12(AB12) Quality Control, and ADVIA Centaur Active-B12 (AB12) Master Curve Materials (MCM) (K160757) | Axis-Shield Diagnostics Limited | 2016-07-26 |
| Elecsys Vitamin B12 II assay, Elecsys Vitamin B12 II CalSet (K151786) | Roche Diagnostics | 2015-09-24 |
| Access Vitamin B12 Assay, Access Ferritin Assay, Access Folate Assay, Access HYPERsensitive hTSH Assay, Power Express Sample Processing System Generic Connection Module and Access Immunoassay System Reagents (K140496) | Beckman Coulter, Inc. | 2014-09-16 |
| LOCI VITAMIN B12 (VB12) FLEX REAGENT CARTRIDGE, LOCI ANEMIA CALIBRATOR (ANEM CAL) (K133512) | Siemens Healthcare Diagnostics | 2014-01-02 |
| AXIS-SHIELD ACVTIVE-B12 (K121946) | Axis-Shield Diagnostics, Ltd. | 2013-03-22 |
| DIMENSION VISTA VITAMIN B12 (VB12) FLEX REAGENT CARTRIDGE, DIMENSION VISTA LOCI 4 CALIBRATOR (K121994) | Siemens Healthcare Diagnostics, Inc. | 2012-11-30 |
| A/C ENZYMATIC VITAMIN B6 ASSAY (K111260) | Anticancer, Inc. | 2012-07-26 |
| ARCHITECT B12 (K121314) | Abbott Laboratories | 2012-05-17 |
| ARCHITECT ACTIVE B-12 (HOLOTRANSCOBALAMIN) (K112443) | Axis-Shield Diagnostics, Ltd. | 2011-12-19 |
| ARCHITECT B12 REAGENTS, ARCHITECT B12 CALIBRATORS, AND ARCHITECT B12 CONTROLS (K110579) | Abbott Laboratories | 2011-10-06 |
| POWER PROCESSOR SAMPLE PROCESSING SYSTEM WITH GENERIC CONNECTIONS (K110413) | Beckman Coulter, Inc. | 2011-05-11 |
| B12 REAGENT CARTRIDGE AND FOL FLEX REAGENT CARTRIDGE, MODEL RF642 AND RF644 (K093631) | Siemens Healthcare Diagnostics | 2010-02-12 |
| POWER PROCESSOR SAMPLE PROCESSING SYSTEM WITH GENERIC CONNECTION MODULE, MODEL: 4210 (K090588) | Beckman Coulter, Inc. | 2009-05-27 |
| DIMENSION VISTA VITAMIN B12 AND FOLATE FLEX REAGENT CARTRIDGES AND LOCI 4 CALIBRATOR (K071224) | Dade Behring, Inc. | 2007-11-13 |
| AXSYM HOLO TC REAGENT KIT, MODEL 3L83-20; STANDARD CALIBRATOR KIT, MODEL 3L83-01; CONTROL KIT, MODEL 3L83-10 (K062467) | Axis-Shield Diagnostics, Ltd. | 2006-11-22 |
| IMMULITE 2500 VITAMIN B12 MODEL L5KVB2-200 TEST,L5KVB6-600 TEST, IMMULITE 2500 FOLIC ACID MODEL L5KFO2-200 TEST,L5KFO6-6 (K060929) | Diagnostic Products Corporation | 2006-04-28 |
| ELECSYS VITAMIN B12 IMMUNOASSAY, CALSET II AND CALCHECK (K060755) | Roche Diagnostics Corp. | 2006-04-10 |
| ABBOTT AXSYM B12 (K051327) | Abbott Laboratories | 2005-08-03 |
| MODIFICATION TO BAYER ADVIA CENTAUR AUTOMATED CHEMILUMINESCENCE ANALYZER (K041133) | Bayer Healthcare, LLC | 2004-07-02 |
| HOLOTC RIA (K030655) | Axis-Shield Biochemicals, Asa | 2004-01-29 |
| VITROS IMMUNODIAGNOSTIC PRODUCTS VITAMIN B12, REAGENT PACK 1/2, FOLATE REAGENT PACK 3, CALIBRATORS (K013899) | Ortho-Clinical Diagnostics | 2002-01-24 |
| BAYER DIAGNOSTICS ACS:180 VB12, BAYER DIAGNOSTICS ADVIA CENTAUE VB12 (K993571) | Bayer Corp. | 1999-12-16 |
| VITROS IMMUNODIAGNOSTIC PRODUCTS VITAMIN B12, REAGENT PACK 1/2, FOLATE REAGENT PACK 3, ANF CALIBRATORS (K984321) | Ortho-Clinical Diagnostics, Inc. | 1999-01-22 |
| ELECSYS VITAMIN B12 ASSAY (K973702) | Boehringer Mannheim Corp. | 1997-11-13 |
| ELECSYS FOLATE (K973674) | Boehringer Mannheim Corp. | 1997-11-12 |
| IMMULITE VITAMIN B12 (LKVB1,LKVB5) (K971177) | Diagnostic Products Corp. | 1997-05-16 |
| AXSYM B12 (K965186) | Abbott Laboratories | 1997-03-24 |
| AIA-PACK B12 ASSAY (K964348) | Tosoh Medics, Inc. | 1997-01-13 |
| BUHLMANN VITAMIN B6 REA (K955561) | American Laboratory Products Co., Ltd. | 1996-05-23 |
| ACCESS VITAMIN B12 ASSAY (MODIFICATION) (K955436) | Bio-Rad Laboratories, Inc. | 1996-01-24 |
| OPUS B12 (K953455) | Behring Diagnostics, Inc. | 1995-08-23 |
| CEDIA VITAMIN B12 (NO BOIL) ASSAY (K951134) | Microgenics Corp. | 1995-07-11 |
| VISTA B12 ASSAY (K941235) | Syva Co. | 1994-08-15 |
| ACCESS VITAMIN B12 ASSAY (K933142) | Bio-Rad Laboratories, Inc. | 1993-11-05 |
| RADIAS B12 ENZYME IMMUNOASSAY (K933315) | Bio-Rad | 1993-08-25 |
| STRATUS VITAMIN B12 FLUOROMETRIC ENZYME-LINKED (K924074) | Baxter Diagnostics, Inc. | 1992-10-26 |
| AFFINITY B12 (K920078) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1992-02-14 |
| CIBA CORNING ACS T3 IMMUNOASSAY (K913646) | Ciba Corning Diagnostics Corp. | 1991-10-25 |
| CIBA CORNING ACS VITAMIN B12 IMMUNOASSAY (K910343) | Ciba Corning Diagnostics Corp. | 1991-03-06 |
| CEDIA (R) VITAMIN B12/FOLATE ASSAY (K904776) | Microgenics Corp. | 1990-11-20 |
| CIBA CORNING MAGIC LITE VITAMIN B12 IMMUNOASSAY (K883722) | Ciba Corning Diagnostics Corp. | 1988-11-04 |
| SOLID PHASE BOIL DUALCOUNT (DUALCOUNT SPB) (K860815) | Diagnostic Products Corp. | 1986-07-11 |
| MAGIC NO BOIL B12/FOLATE RADIOIMMUNOASSAY (K854945) | Ciba Corning Diagnostics Corp. | 1986-02-11 |
| PHASE II B-12/FOLATE KIT (K853224) | Medical & Scientific Designs, Inc. | 1985-10-03 |
| MICROMEDIC COMBOSTAT B B12/FOLATE(BOIL) (K853127) | Micromedic Systems | 1985-09-16 |
| DIAGNON MONOCOMBO VITAM. B12[57CO]/FOLATE[125I] RA (K851377) | Diagnon Corp. | 1985-08-21 |
| VITAMIN B12 57CO/FOLATE 125I - (K840462) | Corning Medical & Scientific | 1984-06-25 |
| ANTIBODY TO INTRINSIC FACTOR RADIOASSAY (K833142) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1984-01-30 |
| DIAGNON B12 57CO RIA KIT (K832717) | Diagnon Corp. | 1983-12-08 |
| QUANTAPHASE B-12-COBALMIN-FOLATE- (K833247) | Bio-Rad | 1983-10-19 |
| VITAMIN B12 FOLATE CA-1515-125 (K832711) | Clinical Assays, Inc. | 1983-10-04 |
| VITAMIN B12 RADIOASSAY KIT CA-1534 (K832710) | Clinical Assays, Inc. | 1983-10-04 |
| INTRINSIC FACTOR BLOCKING ANTIBODY KIT (K832726) | Diagnostic Products Corp. | 1983-09-29 |
| NO-BOIL SOLID PHASE SIMUL TRAC B12 (K822721) | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1983-03-10 |
| NO BOIL DUAL COUNT VIT-B12 & FOLIC ACID (K830195) | Diagnostic Products Corp. | 1983-02-18 |
| NO-BOIL VITABIN B12 5760 FOLATE 125I (K813183) | Corning Medical & Scientific | 1982-03-05 |
| NO-HOIL COMBOSTAT II KIT (K813310) | Ria Products, Inc. | 1981-12-17 |
| 'NO-BOIL' VITAMIN B12 KIT (K810002) | Diagnostic Products Corp. | 1981-01-16 |
| VITAMIN B12 (57CO) RADIOIMMUNOASSAY (K802220) | Corning Medical & Scientific | 1981-01-09 |
| COMBOSTAT - NO-BOIL KIT (K801578) | Ria Products, Inc. | 1980-10-23 |
| VITAMIN B12 - NO-BOIL KIT (K801579) | Ria Products, Inc. | 1980-10-23 |
| CALBIOCHEM-BEHRING RIA-COUNT (K792460) | Calbiochem-Behring Corp. | 1980-02-13 |
| RIANEN, VITAMIN B12 ASSAY SYSTEM (K792175) | New England Nuclear | 1979-11-13 |
| CENTRIA VITAMIN B12 FOLATE RADIO SET (K791216) | Ventrex Laboratories, Inc. | 1979-11-13 |
| AUTO PAK VITAMIN B-12 (K790347) | Micromedic Systems | 1979-09-27 |
| RIA KIT, VITAMIN B12 (K782024) | Technia Diagnostics , Ltd. | 1979-02-28 |
| RIALYZE VITAMIN B-12 TEST (K781410) | Ames Div., Miles Laboratories, Inc. | 1978-09-27 |
| VITAMIN B12 RADIOASSAY (K780799) | Amersham Corp. | 1978-06-13 |
| QUANTA-MATE VITAMIN B-12/FOLATE RA (K771047) | Bio-Rad | 1977-06-27 |
| VITAMIN B12 RADIOASSAY (K761321) | Kallestad Laboratories, Inc. | 1977-03-21 |
| B12/FOLATE SING. TUBE DUAL RADIOASSAY KT (K760946) | Schwarz Mann | 1976-12-21 |
| RADIO IMMUNO ASSAY KIT/ (K760619) | New England Nuclear | 1976-12-06 |