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4A01.12 Major histocompatibility complex class II deficiency

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Immunodeficiency by defective expression of HLA class II is an autosomal recessive primary immune deficiency, manifesting by recurrent viral and bacterial infections, often leading to chronic diarrhoea and growth retardation.

synonyms

• Major histocompatibility complex class II deficiency
• Immunodeficiency by defective expression of HLA class 2
• HLA class 2-negative severe combined immunodeficiency
• Bare lymphocyte syndrome type 2

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