| 609 | Radioassay, Intrinsic Factor Blocking Antibody | Vitamin B[bdi1][bdi2] Test System. |
| 609 | Radioassay, Intrinsic Factor Blocking Antibody | Vitamin B[bdi1][bdi2] Test System. |
| K071346 | IMMULISA INTRINSIC FACTOR ANTIBODY ELISA | IMMCO DIAGNOSTICS, INC. |
| K061841 | QUANTA LITE INTRINSIC FACTOR ELISA | INOVA DIAGNOSTICS, INC. |
| K033603 | INSTRINSIC FACTOR AB, CALIBRATORS, AND QC ON THE ACCESS IMMUNOASSAY SYSTEMS, MODELS 387992, 387993, 387999 | BECKMAN COULTER, INC. |
| K993251 | IMMULITE 2000 VITAMIN B12, MODEL L2KVB2, L2KVB6 | DIAGNOSTIC PRODUCTS CORP. |
| K984108 | ABBOTT ARCHITECT B12 | ABBOTT LABORATORIES |
| K811927 | 1F BLOCKING ANTIBODY(57 CO) RADIOASSAY | CORNING MEDICAL & SCIENTIFIC |
| 00630414962320 | RADIOASSAY, INTRINSIC FACTOR BLOCKING ANTIBODY |
| 00630414962313 | RADIOASSAY, INTRINSIC FACTOR BLOCKING ANTIBODY |
| 15099590229146 | Radioassay, Intrinsic Factor Blocking Antibody |
| 08426950454526 | Radioassay, Intrinsic Factor Blocking Antibody |
| IMMULITE 1000 VITAMIN B12 | SIEMENS HEALTHCARE DIAGNOSTICS PRODUCTS, LIMITED | 2019-01-04 |
| IMMULITE 2000 VITAMIN B12 | SIEMENS HEALTHCARE DIAGNOSTICS PRODUCTS, LIMITED | 2018-12-13 |