A glycoprotein produced by the parietal cells of the stomach, Intrinsic factor is vital for the absorption of Vitamin B12. This absorption takes place later on in the ileum of the small intestine. Intrinsic factor is also referred to as gastric intrinsic factor.
At Portea, we believe world-class healthcare should be accessible to everyone right at their home. We help you take the Intrinsic factor blocking antibody test right at home and deliver the Intrinsic factor lab test straight to your door. Our team of medical experts can also help you with your treatment post diagnosis. Give us a call and let us take care of you.
The Intrinsic factor test looks for Intrinsic factor antibody in the blood.
An intrinsic factor antibody is a protein that the immune system produces and is tied to pernicious anemia.
This is another term used for Intrinsic factor antibody.
Types of Intrinsic factor antibodies:
The Intrinsic blood test can help your doctor diagnose pernicious anemia if you have it.
If you suffer from an intrinsic factor deficiency, your body fails to absorb Vitamin B 12 and you develop a Vitamin B12 deficiency which is also known as pernicious anemia.
Low intrinsic factor symptoms
Some of the most common low intrinsic factor symptoms are:
After receiving a Vitamin B12 injection, you may be asked to wait for 48 hours to 2 weeks before you can take this test. It is a simple blood test and a sample of your serum is taken.
The intrinsic factor lab test will reveal the ranges and reference values. The Intrinsic factor normal range is 1.21 to 1.52 AU/mL.
The test will tell you whether you test positive or negative for the Intrinsic factor blocking antibody or Intrinsic factor binding antibody.
Less than 1.20 AU/mL is considered negative and more than 1.53 AU/mL is positive.
These results are not taken into consideration while making a diagnosis without first doing other tests. If you have decreased Vitamin B12 level in your blood and/or methylmalonic acid level and homocysteine levels are increased and IF antibodies are present, then it is likely that you suffer from pernicious anemia.
Even if your test result is negative, it does not mean that you do not have pernicious anemia. If there are no IF antibodies found, a parietal cell antibody test may be done to help establish the diagnosis.
Parietal cell antibodies are not like IF antibodies. They may be present in 90% of people with pernicious anemia and can be present even when the person does not suffer from pernicious anemia in 10% of the cases.
The Intrinsic factor treatment includes taking supplements to improve the level of Intrinsic factor in your blood. Your doctor may prescribe an intrinsic factor supplement to help you cope with your diagnosis.
If your doctor suspects you have anemia, then this Intrinsic factor antibody test will be recommended to you.
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