Anti-intrinsic factor antibodies
Medical tests
Internal Medicine
What is being analysed?
Anti-intrinsic factor antibodies (AIFAs) are antibodies produced by the immune system that target intrinsic factor, a protein essential for the absorption of vitamin B12 in the small intestine.
What does the result mean?
A positive result for AIFA indicates the presence of antibodies that may interfere with the normal function of intrinsic factors, potentially