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Immunoglobulin A, IgA - Serum Test

Immunoglobulin A, IgA - Serum Test

Immunoglobulin A (IgA) is one of the five classes of immunoglobulins, antibodies that play a key role in the immune response. The primary function of IgA is to protect the body's mucosal surfaces, including the respiratory and digestive tracts, from infections.

The IgA Serum test is used to measure the levels of IgA in the blood. Abnormal levels of IgA could indicate an immune system disorder. High levels of IgA may be a sign of a chronic infection, autoimmune disease, liver disease, or a certain type of blood cancer called multiple myeloma. On the other hand, low levels of IgA could indicate an IgA deficiency, which is a disorder that can lead to more frequent infections, particularly of the mucous membranes.

  • Test NameImmunoglobulin A, IgA - Serum Test
  • Sample TypeSerum
  • Preparations RequiredNo special preparation, such as fasting, is required for this test. You can continue with your regular diet and medications unless instructed otherwise by your healthcare provider
  • Report Time4 hours

What is the Immunoglobulin A, IgA - Serum Test?

The IgA Serum test measures the level of Immunoglobulin A, an important antibody in the immune system, in your blood.

Why is this test important?

This test is significant because it helps diagnose various immune disorders, such as IgA deficiency or conditions that lead to higher IgA levels like chronic infections, autoimmune diseases, or multiple myeloma.

Home Sample Collection Process

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Book your convenient slot
Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
Reporting of the sample at lab
Reporting of the sample at lab
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Download Reports
Frequently Asked Questions

No, fasting is not necessary for this test.

This test is often ordered when a person exhibits symptoms of an immune system disorder or has recurrent infections, particularly in the mucous membranes.

This test provides information about the level of IgA in your blood, which can help diagnose certain conditions related to your immune system.

The frequency of this test depends on your symptoms, medical history, and your doctor's advice.

The normal range for IgA can vary from lab to lab, but generally, it's between 70 to 400 mg/dL. Your doctor will interpret your results based on the lab's reference range and your health condition.

No specific precautions are necessary, but you should inform your doctor about any medications or supplements you are taking as they may influence the test results.

Factors that may affect your IgA levels include age, overall health, certain medications, and underlying conditions such as infections, autoimmune diseases, or certain types of cancer.

In case of abnormal results, you should consult an immunologist or hematologist for further evaluation and management.

Yes, this test is safe during pregnancy and breastfeeding. Inform your doctor about your condition before the test.

Yes, children can undergo this test if they have recurrent infections or symptoms suggestive of an immune disorder.

This test involves a routine blood draw, which carries minimal risks such as slight pain, light-headedness, or bruising at the site of the needle prick.

No, this test is not designed to detect food allergies. For food allergy testing, specific IgE tests are used.

Lifestyle factors such as stress, sleep, diet, and exercise can influence the immune system, but there is no direct link established between these factors and IgA levels. The Immunoglobulin A, IgA - Serum test can provide valuable information about the functioning of your immune system and your overall health. However, it's essential to remember that abnormal test results do not necessarily mean you have a disease. They are part of a broader diagnostic process that includes your symptoms, medical history, and other test results. Always discuss your results with your healthcare provider for a complete and accurate interpretation.

Yes, it is possible to have a normal IgA level and still have an immune disorder. There are several components to the immune system and many different types of immunoglobulins. Therefore, a normal level of IgA does not exclude the possibility of an immune disorder.

Certain medications may affect IgA levels, such as corticosteroids, immunosuppressive drugs, or certain antibiotics. Always inform your healthcare provider about any medications you're taking.

Selective IgA deficiency is a relatively common immune disorder characterized by low or absent levels of IgA. People with this condition may experience recurrent infections, especially of the mucous membranes in the respiratory tract and the gastrointestinal tract.

Excessive alcohol consumption and smoking can have a negative impact on the immune system, potentially influencing IgA levels. However, more research is needed to understand the specific effects on IgA.

There is no specific food or diet known to directly affect IgA levels. However, a balanced diet supports overall immune health and wellbeing.

The Immunoglobulin A, IgA - Serum test is a valuable tool for assessing your immune function and identifying potential immune disorders. It's important to discuss the test results with your healthcare provider to understand what they mean in the context of your overall health. Remember, maintaining a balanced diet, regular exercise, and a healthy lifestyle can go a long way in supporting your immune system and wellbeing.

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