Diagnosis
Learn how primary immunodeficiency (PI) is diagnosed.
Getting diagnosed is the first step toward effective treatment. Explore the three main types of tests physicians use to reach a PI diagnosis.
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Understanding primary immunodeficiency (PI)
Understanding PI
The more you understand about primary immunodeficiency (PI), the better you can live with the disease or support others in your life with PI. Learn more about PI, including the various diagnoses and treatment options.
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Living with PI
Living with PI
Living with primary immunodeficiency (PI) can be challenging, but you’re not alone—many people with PI lead full and active lives. With the right support and resources, you can, too.
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Get involved
Get involved
Be a hero for those with PI. Change lives by promoting primary immunodeficiency (PI) awareness and taking action in your community through advocacy, donating, volunteering, or fundraising.
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Advancing research and clinical care
Advancing research and clinical care
Whether you’re a clinician, researcher, or an individual with primary immunodeficiency (PI), IDF has resources to help you advance the field. Get details on surveys, grants, and clinical trials.
Laboratory testing
Your medical history, symptoms, and a physical exam can help your doctor determine which set of laboratory tests to order.
Newborn screening
Certain conditions (including SCID) can be detected through routine screening tests at birth and treated before life-threatening infections develop.
Find out how newborn screening can help
Genetic testing
Some types of PI can only be diagnosed by looking for gene variants through genetic testing. Genetic testing also helps your family members understand their risk.
Understand the benefits of genetic testing
How well do you know your immune system?
Take our self-assessment to find out if your symptoms could point to a primary immunodeficiency (PI). It’s an informative way to gather insights that you can discuss with your healthcare provider.
Immune system and genetics
Some genetic variants can lead to weaknesses or dysfunction in the immune system.
Resources just for you
PI impacts many lives. If you are living with PI, think you might have PI, are a caregiver, or healthcare professional, these resources may help.
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