| AccuDiag™ Vitamin B12 ELISA | 00894175000985 | Diagnostic Automation/ Cortez Diagnostics, Inc. | Unknown class | |
| Active-B12 (AB12) Test Kit (Homogeneous Chemiluminescence Immunoassay) | 06974524061790 | Nanjing Poclight Biotechnology Co., Ltd. | Unknown class | |
| ADVIA Centaur Active-B12 (AB12) assay | 00630414603100 | Siemens Healthcare Diagnostics Inc. | Unknown class | |
| ADVIA Centaur VB12 | 00630414177175 | Siemens Healthcare Diagnostics Inc. | Class B | |
| ADVIA Centaur® VB12 | 00630414177168 | Siemens Healthcare Diagnostics Inc. | Class B | |
| AIA-PACK B12 | 04560189211872 | Tosoh Corporation | Unknown class | |
| AIA-PACK B12 CALIBRATOR SET | 04560189211889 | Tosoh Corporation | Unknown class | |
| AIA-PACK B12 PRETREATMENT SET | 04560189211896 | Tosoh Corporation | Unknown class | |
| AIA-PACK B12 SAMPLE DILUTING SOLUTION | 04560189211902 | Tosoh Corporation | Unknown class | |
| Alinity | 00380740189785 | ABBOTT GmbH | Class B | |
| Alinity | 00380740189815 | ABBOTT GmbH | Class B | |
| ARCHITECT | 00380740189792 | ABBOTT GmbH | Class B | |
| ARCHITECT | 00380740189808 | ABBOTT GmbH | Class B | |
| Atellica IM Active-B12 (Holotranscobalamin) (AB12) | 00630414245720 | Siemens Healthcare Diagnostics Inc. | Class B | |
| Atellica IM Vitamin B12 DTT/ Releasing Agent (VB12 DTT/REL) | 00630414600314 | Siemens Healthcare Diagnostics Inc. | Class B | |
| Atellica IM Vitamin B12 (VB12) | 00630414600277 | Siemens Healthcare Diagnostics Inc. | Class B | |
| Atellica IM Vitamin B12 (VB12) | 00630414600284 | Siemens Healthcare Diagnostics Inc. | Class B | |
| AURYX 90 Vitamin B12 Reagent Kit | 05907514601493 | PZ CORMAY Spółka Akcyjna | Unknown class | |
| AURYX 90 Vitamin B12 Reagent Kit | 05907514601509 | PZ CORMAY Spółka Akcyjna | Unknown class | |
| Axis-Shield | 05055845400046 | Axis-Shield Diagnostics Ltd | Class B | |
| B12 Test Kit (Dry Fluorescence Immunoassay) | 06975388110228 | Lansion Biotechnology Co., Ltd. | Unknown class | |
| B12 Test Kit (Dry Fluorescence Immunoassay) | 06978669681332 | Shenzhen Ukin Biotech Co.,Ltd. | Unknown class | |
| BIOHIT Active B12 (HoloTC) | 06419587022901 | Biohit Oyj | Unknown class | |
| BodyCheck Vitamin B12 | 00850082432202 | Affimedix, Inc. | Unknown class | |
| CHORUS CLIA VIT B12 | 08033891328498 | DIESSE Diagnostica Senese S.p.A | Class B | |
| CL AIA-PACK Vitamin B12 ADJUSTER SET | 14560189216201 | Tosoh Corporation | Unknown class | |
| CL AIA-PACK Vitamin B12 PRETREATMENT REAGENT-1 | 14560189216218 | Tosoh Corporation | Unknown class | |
| CL AIA-PACK Vitamin B12 PRETREATMENT REAGENT-2 | 04560189216228 | Tosoh Corporation | Unknown class | |
| CL AIA-PACK Vitamin B12 TEST CUP | 14560189216195 | Tosoh Corporation | Unknown class | |
| Dimension EXL LOCI Vitamin B12 Flex reagent cartridge | 00630414976624 | Siemens Healthcare Diagnostics Inc. | Class B | |
| Dimension Vista LOCI Vitamin B12 Flex reagent cartridge | 00842768033810 | Siemens Healthcare Diagnostics Inc. | Unknown class | |
| FIA Go VB12 Kit | 06971225936303 | Goldsite Diagnostics Inc. | Unknown class | |
| Finecare | 06933289829632 | Guangzhou Wondfo Biotech Co., Ltd. | Unknown class | |
| HOKAPI™ VITAMIN B12 | 06939716405448 | Suzhou Hokapi Biomedical Engineering Co., Ltd.. | Class B | |
| HOKAPI™ VITAMIN B12 | 06939716405455 | Suzhou Hokapi Biomedical Engineering Co., Ltd.. | Class B | |
| ID-Vit® Vitamin B12 | 04050598003477 | Immundiagnostik AG | Unknown class | |
| ID-Vit® Vitamin B12 | 04050598801202 | Immundiagnostik AG | Unknown class | |
| iFlash-Vitamin B12 II | 06925912707974 | SHENZHEN YHLO BIOTECH CO., LTD. | Class B | |
| iFlash-Vitamin B12 II | 06925912721376 | SHENZHEN YHLO BIOTECH CO., LTD. | Class B | |
| IMMULITE 2000 Vitamin B12 | 00630414962313 | Siemens Healthcare Diagnostics Products Ltd. | Class B | |
| IMMULITE 2000 Vitamin B12 | 00630414962320 | Siemens Healthcare Diagnostics Products Ltd. | Class B | |
| iStar-Vitamin B12 | 06973224892512 | Shenzhen Drawray Biotech Co., Ltd. | Class B | |
| MAGICL Vitamin B12 (CLIA) | 06954414798760 | Getein Biotech, Inc. | Unknown class | |
| Methylmalonic Acid Reagent Set | 08720514311738 | Diagnotix B.V. | Unknown class | |
| OnSight™ - Vitamin B12 Quantitative Test | 00850082432219 | Affimedix, Inc. | Unknown class | |
| RapidFor™ | 08683548255440 | Vitrosens Biotechnology Inc. | Class B | |
| RapidFor™ | 08684595038659 | Vitrosens Biotechnology Inc. | Unknown class | |
| RapidFor™ | 08685115801821 | Vitrosens Biotechnology Inc. | Unknown class | |
| Sharay Vitamin B12 (CLIA) | 06975070762841 | C-Luminary Biotechnology Co., Ltd. | Unknown class | |
| SmarLumi | 06933289852043 | Guangzhou Wondfo Biotech Co., Ltd. | Unknown class | |
UDI Compass