Intrinsic Factor Antibodies

Screening Test for Pernicious Anaemia

  • Doctor reviewed
Sample
Blood
Collection
Venous draw at clinic or nurse home visit
Results in
5 days
Biomarkers
1
Doctor reviewed
Yes
Tests for
  • Intrinsic factor antibodies

Test specifications

Sample type
blood
Collection method
venous draw at clinic or nurse home visit
Turnaround time
5 days
Biomarkers tested
1
At-home test
No
Doctor reviewed
Yes
Gender focus
Both

What's tested

1 biomarker as listed by Blue Horizon Medicals.

Autoimmunity

  • Intrinsic factor antibodies

About this test

This vacutainer blood test is often requested when Vitamin B12 is thought or known to be low. The cause may be down to the presence of autoantibodies, which inactivate intrinsic factor (IF). Absorption from the gut of Vitamin B12 depends upon the presence of IF, so a loss of this factor will eventually result in B12 deficiency. This failure to absorb vitamin B12 is the most common cause of adult vitamin B12 deficiency, which if severe is known as Pernicious Anaemia. Often requested at the same time is a test for Gastric Parietal Cell Antibodies.

Description provided by Blue Horizon Medicals.

Our editorial score

Compare Health Test Score
Editorial confidence: 10.0/10

Score breakdown

  • Clarity and documentation 8.0/10

    The listing publishes a short description, the full biomarker list, a stated turnaround, clear collection options, the sample type; it does not state what the report looks like.

  • Clinical depth 6.3/10

    1 biomarkers, placing it in the 31st percentile of vitamins tests we track.

  • Collection convenience 5.0/10

    Requires a venous draw at a clinic; a home nurse visit is offered; results within 5 days.

  • Results and follow-up 7.5/10

    Results are reviewed by a doctor.

  • Trust signals 7.5/10

    Trustpilot 4.2 from 395 reviews; accredited lab (UKAS ISO 15189 partner labs); trading 17+ years.

  • Value for money 5.5/10

    £101.25 against a median of £85.00 for the 73 similarly sized vitamins tests we track (+19%).

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Iron, Vitamin D & B12 Deficiency Blood Test

A 3-marker blood test combining ferritin, vitamin B12 and vitamin D, aimed at people at higher risk of these common deficiencies, such as those on plant-based diets or with limited sun exposure.

  • At-home test
8.8 / 10 Three common deficiencies bundled below the market median