IMMUNOGLOBULIN A (IGA)
What does IMMUNOGLOBULIN A (IGA) measure?
This test measures the level of immunoglobulin A (IgA), an antibody that helps protect mucosal surfaces such as the airways and digestive tract. It may be used to evaluate immune system function, investigate recurrent infections, or support assessment of certain inflammatory, autoimmune, liver, or intestinal conditions. Results are interpreted alongside symptoms, medical history, and other laboratory findings.
This overview is educational. Use the recorded preparation, sample and lab-partner details below for collection guidance, and confirm any missing information before collection.
Compare eligible lab partners
Prices, report times and availability are shown from the catalog records for each eligible partner.
- Sample for analysis
- Confirm with the collection team
- Report time
- To be confirmed
Preparation and specimen requirements can vary by test and laboratory. Follow the instructions shown for your selected partner and any advice from your healthcare professional.