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Our Cambridge clinic is opening its doors on the 30th of April. Book now!
Our Cambridge clinic is opening its doors on the 30th of April. Book now!

Immunoglobulin A (IgA) Blood Test

Original price £39.00 - Original price £39.00
Original price
£39.00 - £39.00
Current price £39.00

Assess your lgA levels and stay informed of immune system concerns with our Immunoglobulin A (IgA) Blood Test.

  • Biomarkers: 1
  • Turnaround: 1-2 days

Simple and accurate blood test from a laboratory you can speak to.

Step 1. Choose sample collection option

Currently selected option: HOME KIT via Royal Mail Tracked 24

  • Available everywhere in mainland UK.
  • Includes everything you need to take a safe and suitable blood sample in about 15 minutes.
  • Post the sample back to our laboratory via Royal Mail Tracked 24.

Re-test guarantee

Stay informed of immune system concerns with our Immunoglobulin A (IgA) Blood Test. Our user-friendly home test kits deliver rapid results from our CQC-accredited lab, typically within 24 hours of you sending the sample back.

Keep track of your immune health via our secure online Health Dashboard tool, with results that are easy to understand and clearly explained by experts. Our all-encompassing service provides you with the vital data you need to make well-informed lifestyle choices and take proactive measures.

At One Day Tests, we equip you for a future of robust immune health, eliminating the need for lengthy referrals or waiting lists. Purchase an IgA Test kit today and embark on your journey towards a healthier you.

About the Immunoglobulin A (IgA) Blood Test

Immunoglobulin A (IgA) is a crucial antibody that plays a vital role in the immune system, primarily functioning in the mucous membranes lining the gut and respiratory tract. It serves as the body`s first line of defence against harmful pathogens like bacteria and viruses. The IgA Blood Test measures the levels of IgA antibodies in your blood, providing a snapshot of your immune system`s health.

This test is particularly useful for individuals experiencing recurrent infections, gastrointestinal issues, or symptoms of autoimmune disorders. Elevated or decreased levels of IgA can be indicative of underlying health conditions such as celiac disease, liver diseases, or certain types of blood disorders.

By assessing the levels of IgA in your blood, this test offers a comprehensive overview of your immune system`s current state. It is an invaluable asset for anyone looking to take timely intervention measures, manage potential immune-related issues effectively, or simply gain a deeper understanding of their immune health.

1 Biomarker


    - Immunoglobulin A (IgA)


    Need more biomarkers? Check out our Advanced Antibodies Blood Test

Most of the biomarkers we offer in the "ready made" panels are also available separately. So if your favourite test panel is missing a biomarker you would like to have, no problem, you can add whatever you need to one of our standard panels using the "Pick-n-mix" options, such as this one.


    For most biomarkers our usual turnaround time is 24-48 hours, or less, from the time your sample is in our lab. We do not wait for all the results to complete before sending them to you, so you may start receiving results the same day for most cases, or as results become available.

    We are extremely proud of our very short turnaround times and a very efficient laboratory processes. Whilst we accommodate the shortest of time scales, with some results available within hours, for this particular test the usual turnaround time is:

    1-2 days

Doctor's notes

Hi, I am Dr. Adam Staten and here's my view on this test as a GP and Clinical Director at One Day Tests.

Being proactive about your health means identifying potential vulnerabilities before they become significant issues. The IgA Blood Test is an invaluable resource for this purpose. It allows for early intervention, allowing you to take the necessary steps to manage or even improve immune-related conditions.

This test is especially useful for individuals at risk of immune system disorders, whether due to frequent infections, autoimmune disease history, or other health concerns.

By opting for the IgA Blood Test, you're taking a proactive step towards comprehensive immune health, empowering you to make informed decisions that can have a lasting impact on your well-being.

Red flag symptoms for the Immunoglobulin A (IgA) Blood Test

If you experience any of the following symptoms, consult your physician immediately. Even if your IgA levels are within the normal range, these symptoms could indicate an underlying immune system disorder or other medical condition that requires further evaluation:

  • Recurrent or persistent infections, especially of the respiratory or gastrointestinal tract
  • Chronic diarrhoea or digestive issues
  • Unexplained fatigue or weakness
  • Skin rashes or frequent skin infections
  • Joint pain or swelling
  • Persistent fever
  • Sinus infections or chronic sinusitis

Your Results and Health Dashboard

The results of your Immunoglobulin A (IgA) Blood Test will be emailed to you as a secured PDF file, ready for your GP and will also be uploaded to our Health Dashboard area of the website. It’s a unique and powerful tool, powered by our in-house clinical analysis research, to match your biomarkers across test panels and symptoms, as well as provide clinical commentary on all individual biomarkers you tested for.

The health dashboard will also provide "panel level" commentary - a birds eye view of the biomarkers that were tested. This feature allows you to view your test results and clinical commentary, and compare them to previous results, giving you a clear understanding of how your health is progressing.

By using the Health Dashboard, you can identify changes in your biomarkers and make necessary adjustments to your lifestyle. This added value is immense, as it empowers you to monitor your health and make informed decisions about your well-being.

It's free and is available with all of our tests.

Save on continuous monitoring with our subscription plan

The best way to look after your health is to do so regularly. This is easy to do with our continual monitoring plans which give you a discount on future blood tests. You choose the frequency and we'll do the rest.

When you purchase a subscription, we will deliver your home test kits or allow you to book appointments in line with your chosen frequency. You will be able to track your biomarkers over time in our powerful Health Dashboard, where results will be automatically updated for you. There is a minimum of 3 tests with any subscription, after which you can pause/restart/cancel at any time.

Special instructions

Hi, I am Stefania Brown, I am the Laboratory Manager at One Day Tests and here are the lab's special requests for the Immunoglobulin A (IgA) Blood Test.

There are no special instructions for this test, just ensure you are well-hydrated and avoid caffeine where possible.

Venepuncture appointment - how to prepare

If you are coming into one of our clinics for the test, this is what you need to do before you arrive:

  • Drink plenty of water about an hour before the appointment.
  • Avoid coffee/tea/energy drinks. Water is good!
  • That’s it! We’ll do the rest.

Home test kit for Immunoglobulin A (IgA) Blood Test - how it works

Our blood test kits are simple and convenient.

The most important step in doing a blood test at home is to read the instructions very carefully. The process is very simple, but there are a few pitfalls you need to be aware of - you will save yourself a lot of time if you do it right the first time around!

  • Full printed instructions will arrive with your kit - please read them carefully.
  • Drink plenty before taking the sample and warm your hands up in the sink with warm water for a few minutes. This will make your blood flow much better.
  • Fill the tubes to the top line. We don’t need much blood; filling tubes to the top line is about 15 drops of blood.
  • Post the samples on the same day you take them, before midday, Monday to Thursday. If you post it any other time it might get to us late or be stuck at a sorting office over the weekend. You will then have to do it again.
  • Package the sample in the same box the kit came in. Otherwise, Royal Mail or DPD will reject it. The sample tubes go into a pouch, then into a cardboard box, and then into a return envelope. All of this is provided in the kit: please use it.

We look forward to receiving your sample in our lab!

How the finger prick home test kit for Immunoglobulin A (IgA) Blood Test works - from Dr. Adam Staten

Why choose us?

Hello! My name is Dr. Vinesh Mistry, I am part of the GP team here at One Day Tests and here is why you should trust us to test your blood.

We run our own regulated laboratories and our own accredited clinics. We manufacture our own approved home sample collection kits. Your results are looked after by our fantastic clinical governance team and our super-talented biomedical science team.

When you book your test with us - you book directly with the lab. This means accuracy and responsible duty of care, direct access to the provider and extremely fast turnaround times.

Finally, our customer services rock! You can ask the lab a question any time or you can speak to a real human. It's good to WhatsApp, email on or give us a call on 0845 527 07 67.

Frequently Asked Questions

Hi, I am Lana Nela, Lead Nurse, and here is what we are frequently asked about this test.

What conditions can an IgA Blood Test help diagnose?

An IgA Blood Test can help diagnose conditions like Coeliac disease, IgA nephropathy, certain autoimmune disorders, and primary immunodeficiencies.

Can IgA levels fluctuate?

Yes, IgA levels can fluctuate due to various factors such as stress, infection, and medication. It's essential to consult your healthcare provider for a comprehensive diagnosis.

Is this test done as a standalone or part of a panel?

The IgA Blood Test can be done as a standalone test or as part of a broader immunoglobulin panel, which may also include IgG and IgM tests.

Why take this test?

Hi, I am Dr. Marco Esposito and here is why it's important to take this test.

  • Identifies abnormal IgA levels that could signal various health issues, from immune deficiencies to autoimmune disorders
  • This test is particularly useful if you experience frequent infections, digestive issues, or respiratory problems
  • For those with a family history of immune system disorders, this test offers a proactive measure for early intervention

Is this test right for you?

Hi, I am Sandeep Patel, I am the Laboratory Director at One Day Tests. Here are the symptoms that you may wish to address with this test.

For individuals who experience frequent infections, digestive issues, or respiratory problems, this test serves as a valuable tool for monitoring your immune system's condition and understanding the impact of lifestyle choices on immune function.

By opting for the IgA Blood Test, you're taking a proactive step towards comprehensive immune health, allowing you to make informed decisions that can significantly impact your well-being.


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Why blood tests are important.