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ICD-10 D84.9
ICD-9 279.3
DiseasesDB 21506
MeSH D007153

Immunodeficiency Main Page




Immunodeficiency Affecting Cellular and Humoral Immunity

Combined Immunodeficiency

Predominantly Antibody Deficiency

Diseases of Immune Dysregulation

Congenital Defects of Phagocytes

Defects in Intrinsic and Innate Immunity

Auto-inflammatory Disorders

Complement Deficiencies

Phenocopies of Primary Immunodeficiency

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Shyam Patel [2]; Associate Editor(s)-in-Chief: Anmol Pitliya, M.B.B.S. M.D.[3], Ali Akram, M.B.B.S.[4], Zahir Ali Shaikh, MD[5] , Syed Musadiq Ali M.B.B.S.[6], Sabawoon Mirwais, M.B.B.S, M.D.[7]

Synonyms and keywords: Immune deficiency; immunity suppression; immunological deficiency; immunosuppression


Immunodeficiency can be caused by a variety of conditions including autoimmunity, infections, congenital defects, complement defects, or auto-inflammatory states.


Immunodeficiency affecting cellular and humoral Immunity
Combined immunodeficiency
Predominantly antibody deficiency
Diseases of immune dysregulation
Congenital defects of phagocytes
Defects in intrinsic and innate immunity
Auto-inflammatory disorders
Complement deficiencies
Phenocopies of primary immunodeficiency (PID)
Severe combined
immunodeficiency (SCID)
Combined immunodeficiency
with associated features
Hemophagocytic lymphohistiocytosis (HLH)
& EBV susceptibility
Congenital defects of
phagocyte number
Bacterial and
parasitic infections
Combined immunodeficiencies
generally less pronounced than
severe combined immunodeficiency
Combined immunodeficiency
with syndromic features
Other antibody
Syndromes with
autoimmunity and others
Congenital defects of
phagocyte function
Mendelian susceptibility to
mycobacterial disease (MSMD)
& viral infections