| K233541 | ARCHITECT Active-B12 (Holotranscobalamin) | Axis-Shield Diagnostics, Ltd. | 2024-07-31 |
| K223289 | Access Vitamin B12 | Beckman Coulter, Inc. | 2022-12-23 |
| K190298 | DxA 5000, DxI 800 Access Immunoassay System, Access Ferritin, Access Folate, Access TSH (3rd IS), Access Vitamin B12 | Beckman Coulter Biomedical GmbH | 2019-10-04 |
| K192064 | LIAISON Vitamin B12 | DiaSorin, Inc. | 2019-10-02 |
| K172133 | ADVIA Centaur Active-B12 (Holotranscobalamin) (AB12) Assay | Axis-Shield Diagnostics, Ltd. | 2017-10-27 |
| K161721 | Diazyme Vitamin B12 Assay, Diazyme Vitamin B12 Calibrators Set, Diazyme Vitamin B12 Controls Set | Diazyme Laboratories | 2016-09-20 |
| K160757 | ADVIA Centaur Active-B12 (Holotranscobalamin)(AB12) Assay, ADVIA Centaur Active-B12(AB12) Quality Control, and ADVIA Centaur Active-B12 (AB12) Master Curve Materials (MCM) | Axis-Shield Diagnostics Limited | 2016-07-26 |
| K151786 | Elecsys Vitamin B12 II assay, Elecsys Vitamin B12 II CalSet | Roche Diagnostics | 2015-09-24 |
| K140496 | 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 | Beckman Coulter, Inc. | 2014-09-16 |
| K133512 | LOCI VITAMIN B12 (VB12) FLEX REAGENT CARTRIDGE, LOCI ANEMIA CALIBRATOR (ANEM CAL) | Siemens Healthcare Diagnostics | 2014-01-02 |
| K121946 | AXIS-SHIELD ACVTIVE-B12 | Axis-Shield Diagnostics, Ltd. | 2013-03-22 |
| K121994 | DIMENSION VISTA VITAMIN B12 (VB12) FLEX REAGENT CARTRIDGE, DIMENSION VISTA LOCI 4 CALIBRATOR | Siemens Healthcare Diagnostics, Inc. | 2012-11-30 |
| K111260 | A/C ENZYMATIC VITAMIN B6 ASSAY | Anticancer, Inc. | 2012-07-26 |
| K121314 | ARCHITECT B12 | Abbott Laboratories | 2012-05-17 |
| K112443 | ARCHITECT ACTIVE B-12 (HOLOTRANSCOBALAMIN) | Axis-Shield Diagnostics, Ltd. | 2011-12-19 |
| K110579 | ARCHITECT B12 REAGENTS, ARCHITECT B12 CALIBRATORS, AND ARCHITECT B12 CONTROLS | Abbott Laboratories | 2011-10-06 |
| K110413 | POWER PROCESSOR SAMPLE PROCESSING SYSTEM WITH GENERIC CONNECTIONS | Beckman Coulter, Inc. | 2011-05-11 |
| K093631 | B12 REAGENT CARTRIDGE AND FOL FLEX REAGENT CARTRIDGE, MODEL RF642 AND RF644 | Siemens Healthcare Diagnostics | 2010-02-12 |
| K090588 | POWER PROCESSOR SAMPLE PROCESSING SYSTEM WITH GENERIC CONNECTION MODULE, MODEL: 4210 | Beckman Coulter, Inc. | 2009-05-27 |
| K071224 | DIMENSION VISTA VITAMIN B12 AND FOLATE FLEX REAGENT CARTRIDGES AND LOCI 4 CALIBRATOR | Dade Behring, Inc. | 2007-11-13 |
| K062467 | AXSYM HOLO TC REAGENT KIT, MODEL 3L83-20; STANDARD CALIBRATOR KIT, MODEL 3L83-01; CONTROL KIT, MODEL 3L83-10 | Axis-Shield Diagnostics, Ltd. | 2006-11-22 |
| K060929 | IMMULITE 2500 VITAMIN B12 MODEL L5KVB2-200 TEST,L5KVB6-600 TEST, IMMULITE 2500 FOLIC ACID MODEL L5KFO2-200 TEST,L5KFO6-6 | Diagnostic Products Corporation | 2006-04-28 |
| K060755 | ELECSYS VITAMIN B12 IMMUNOASSAY, CALSET II AND CALCHECK | Roche Diagnostics Corp. | 2006-04-10 |
| K051327 | ABBOTT AXSYM B12 | Abbott Laboratories | 2005-08-03 |
| K041133 | MODIFICATION TO BAYER ADVIA CENTAUR AUTOMATED CHEMILUMINESCENCE ANALYZER | Bayer Healthcare, LLC | 2004-07-02 |
| K030655 | HOLOTC RIA | Axis-Shield Biochemicals, Asa | 2004-01-29 |
| K013899 | VITROS IMMUNODIAGNOSTIC PRODUCTS VITAMIN B12, REAGENT PACK 1/2, FOLATE REAGENT PACK 3, CALIBRATORS | Ortho-Clinical Diagnostics | 2002-01-24 |
| K993571 | BAYER DIAGNOSTICS ACS:180 VB12, BAYER DIAGNOSTICS ADVIA CENTAUE VB12 | Bayer Corp. | 1999-12-16 |
| K984321 | VITROS IMMUNODIAGNOSTIC PRODUCTS VITAMIN B12, REAGENT PACK 1/2, FOLATE REAGENT PACK 3, ANF CALIBRATORS | Ortho-Clinical Diagnostics, Inc. | 1999-01-22 |
| K973702 | ELECSYS VITAMIN B12 ASSAY | Boehringer Mannheim Corp. | 1997-11-13 |