Total reviews 411
Total reviews 411
Tests Included: 1
Est. 5-7 (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
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.
Tests Included: 1
Est. 5-7 (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
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Please do not exercise prior to testing. It is best that your blood is taken in a rested state.
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