Intrinsic Factor Blocking Antibody

The Intrinsic Factor Blocking Antibody test contains 1 test with 1 biomarker.

Intrinsic Factor, produced by cells lining the stomach, binds vitamin B12 (cyanocobalamin) to facilitate absorption of the vitamin. Blocking antibody impedes the action of Intrinsic Factor as observed in approximately half of the patients who develop pernicious anemia.

Samples should not be collected from a patient who has received Vitamin B12 injection therapy within the last week.

The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

Intrinsic Factor Blocking