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Specific Defects
In recent years, our knowledge of Primary Immunodeficiencies (PI) has increased exponentially. This section can assist healthcare professionals, patients, and their families by providing quick and easy access to information on PI.

Primary Immunodeficiencies
The majority of PI patients are diagnosed with one of the following specific conditions. Please click on a link to find additional information and descriptions of that disease.
Doctors on computer

Please note, the information contained on these pages is not intended to provide specific medical advice, rather it is intended for informational purposes only, in order to provide a better understanding of these diseases. Please consult with a qualified physician for diagnosis and answers to your questions.

Chediak-Higashi Syndrome
Chronic Granulomatous Disease
Common Variable Immunodeficiency
Complement Deficiencies
DiGeorge Syndrome
Hyper IgM Immunodeficiency
IgG Subclass Deficiency
Leukocyte Adhesion Deficiency
MHC Class II Deficiency
Selective IgA Deficiency
Severe Combined Immunodeficiency
Wiskott Aldrich Syndrome
X-Linked Agammaglobulinemia
X-linked Hyper IgM Syndrome
X-Linked Lymphoproliferative
X-Linked Severe Combined Immunodeficiency

Please visit PubMed for additional
information on PI.
Practice Parameter for the Diagnosis & Management of Primary Immunodeficiency (PDF) View the
Practice Parameter for the
Diagnosis & Management
of Primary Immunodeficiency

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