Intrinsic Factor Blocking Antibody, Serum

Intrinsic Factor Blocking Antibody, Serum

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Intrinsic Factor Blocking Antibody, Serum
Fasting Required: No

Specimen: Blood

Special Instructions: Discontinue B12 shots and/or supplements for 1 week prior to testing.

Results: 7-10 Business Days

Description:
Intrinsic factor blocking antibody, which prevents the binding of vitamin B12 to the intrinsic factor molecule, is present in >50% of all patients with pernicious anemia and only rarely encountered in other conditions.
Pernicious anemia is one of the major causes of vitamin B12 deficiency.

Methodology
Immunoassay

Reference Range(s)
Negative

Alternative Name(s)
IF-Blocking Antibody

Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

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