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South · IgA Lab Test – Immunoglobulin A Testing

IgA Lab Test – Immunoglobulin A Testing in Texas

IgA Lab Test – Immunoglobulin A Testing is a laboratory test you can request directly. This test measures the amount of immunoglobulin A (IgA) in your body. IgA is an antibody that plays a key role in your immune system.

Typical turnaround1-3 business days
Price range$45
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

Immunoglobulin A (IgA) is a type of protein made by your immune system to fight off infections. It is found in mucous membranes, such as in your nose, airways, and digestive tract, as well as in body fluids like saliva, tears, and breast milk.

What it measures

  • Immunoglobulin A (IgA) — reflects immune system activity and response to infections

What the test involves

This test is performed on a blood sample. A healthcare professional will draw blood from a vein in your arm using a needle.

Why it is often ordered

A clinician may order this test to help evaluate your immune system's function. It can be used to investigate conditions related to infections, autoimmune disorders, or problems with nutrient absorption.

Preparation

It is important to follow any specific preparation instructions provided by the laboratory. Some tests may require fasting or avoiding certain foods or medications prior to sample collection.

How results are reported

Results for this test will indicate the level of IgA detected in your sample. Your healthcare provider will interpret these results, and the laboratory will provide a reference range for comparison, which can vary.

Before you go

  • Fasting requirements
  • Specific preparation instructions
  • How to interpret results

Cities

IgA Lab Test – Immunoglobulin A Testing in Texas communities

Choose your city for local context and to request this test.

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