Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test
Immunoglobulin D (IgD) Test

Over 90k Biomarkers Tested

Immunoglobulin D (IgD) Test

$35.00 AUD

Experiencing unexplained immune abnormalities, complex autoimmune symptoms, or suspected rare immune disorders requiring specialized immune system assessment?

The Immunoglobulin D (IgD) test measures a rare type of antibody involved in initiating immune responses. Abnormal IgD levels can be linked to certain immune disorders, chronic infections, and some inflammatory or autoimmune conditions.

Collection Location
Specimen Type

You will be emailed a referral to take to your local collection centre. If you ever have any questions, we're here to help.

4k+ Collection Locations

Personalised Reports

Early Detection

Private health tests

How It Works

Getting your health measured shouldn't be hard! We're here to help you every step of the way.

1
Order a test

Order a test

Order the private test that suits you and your goals. After ordering, you will receive your referral by email.

2
Collect the sample

Collect the sample

Attend one of our 4000+ partner collection centres throughout Australia. Search locations.

3
Receive your results

Receive your results

View all your lab results in your secure health dashboard. Easy!

Testimonials

What Our Customers Say

4.9
Average Rating
2,500+ Customers Tested
90,000+ Individual Biomarkers
A
Adam O. ACT

Simple health checks in my control

I didn't know that private blood tests were an option. Tried this platform as the packages suited what I wanted for a good price. Easy to follow instructions, and super quick results. Platform provides more information than my gp's ever have on the tests and what the results meant. Would like more clinics to be able to test at (specifically Capital Pathology) but there is a decent network. Will continue to use.

The Performance Check
C
Christopher N. NSW

Quick access to blood tests

BLOODY GOOD is a very efficient route to access blood testing for a visitor outside the Australian health system. It is quick with the necessary referral and documentation, and quick with results. Thank you

Full Blood Count (FBC) Blood Test
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Rebecca Y NSW

Great Service!

Fantastic service to deal with, I love the extra explanations for all the tests.

Glycated Haemoglobin (HbA1c)
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Olga B. New South Wales

Convenient

Getting a referral was easy. Laverty pathology accepted it. Bloody Good offers an affordable and convenient way to check essential blood markers.

hs-CRP Blood Test
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Marita S. Queensland

Bloody good test

Very comprehensive tests that have given me a good picture of my overall health.

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Lukas C. NSW

Quick, easy, hassle free

Excellent service, quick, easy, hassle free, can recommend.

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ABDUL S. QLD

Amazingly quick and efficient

Very easy to use. Love that it stores your blood tests.

The Performance Test
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Andre D. QLD

5 Stars

Efficient and easy to use

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Wayne NSW

5 Stars

Extremely helpful company

Calcium Blood Test
"I'm a little biased as I work here! However, I love that The Bloody Good Test tracks my health over time. After turning 40, I wanted to make sure I wasn't going to drop dead from something basic I should have known about earlier. Measuring all my core biomarkers each year gives me peace of mind my health is on the right track"
Cameron Smith Head of Ecommerce, Brisbane

Overview

The Immunoglobulin D (IgD) test measures one of your body's most mysterious immune defenders – a specialized antibody that acts like a sentinel stationed on your immune cells' surfaces. Think of IgD as your immune system's undercover agent: it's present in very small amounts in your bloodstream, but scientists believe it plays important behind-the-scenes roles in activating your immune response and helping your body recognize threats, though researchers are still uncovering exactly how it works.

This test becomes valuable when you're dealing with puzzling immune system issues that standard tests can't fully explain – like recurring infections, unexplained inflammation, or suspected autoimmune conditions where your body's defenses seem confused. While elevated IgD levels can signal immune system dysfunction, chronic infections, or certain autoimmune disorders, this test is typically reserved for complex cases where doctors need a more complete picture of what's happening with your immune system. It's like having an additional detective when the usual suspects don't explain the mystery of your symptoms.

Symptoms

Essential for individuals with unexplained immune abnormalities, suspected rare immune disorders, complex autoimmune conditions, or anyone needing specialized immune function evaluation.

Questions

  • IgD's exact function is still being researched, but it appears to play roles in immune system development, B cell activation, and possibly immune regulation, though it's present in very low concentrations.
  • Abnormal IgD levels may indicate immune dysregulation, certain autoimmune conditions, or rare immune disorders, but interpretation requires expertise due to limited understanding of normal IgD function.
  • IgD testing is specialized because its clinical significance is still being established, normal levels are very low, and interpretation requires immunological expertise for meaningful clinical application.
  • IgD testing may be useful in research settings, evaluation of rare immune disorders, comprehensive immune assessment in complex cases, and investigation of unexplained immune abnormalities.
  • Some medications affecting immune function may influence IgD levels, though specific effects are not well-established due to limited research on IgD regulation and function.
  • IgD is present in much lower concentrations than other immunoglobulins, its function is less well understood, and it's primarily found on B cell surfaces rather than in circulation.

Dr. Vu Tran
Bloody Good’s Chief Medical Officer

Biomarker Tested

How to prepare

No special preparation required. Inform healthcare provider of all medications, recent infections, and immune-related conditions that might affect results. This test is typically ordered as part of specialized immune evaluation.

After the test

Address abnormal IgD levels through comprehensive immunological evaluation by specialists, further immune function testing, and appropriate management of underlying immune conditions. Work with immunologists for expert interpretation.

Your test results will be available in your private dashboard. If there are any urgent issues, we'll let you know so you can follow up with your health professional.

Understanding results

Results show IgD levels compared to normal ranges. Abnormal levels may indicate immune dysregulation or rare immune disorders, requiring expert interpretation and further specialized immune evaluation.

Frequently Asked Questions

Most collection centres accept walk-ins. Some may require a booking - check details when you click on your chosen location.

If your test needs fasting, we’ll include that in your instructions after you order. Fasting usually means no food for 8–12 hours, but water is fine.

Just your pathology referral form (we email it to you)

Of course. Just maybe don’t bring the friend who faints at the sight of blood.

They’re the highly trained professionals who take your blood sample - with a steady hand and a sharp needle. They love blood, but don’t worry… they’re not vampires. Just legends who make blood tests quick, clean, and (almost) painless.

Some of our tests include Urine, Stool, Saliva and more. Each test will have a clear description on what sample you will need to give and instructions on how.