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| 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 |