4A01.0

The ICD-11 code for immunodeficiencies with predominantly antibody defects is 4A01.0. The full clinical description is "Immunodeficiencies with predominantly antibody defects".

ICD-11 code 4A01.0 represents “Immunodeficiencies with predominantly antibody defects”. It is classified under Chapter 4: Diseases of the Immune System.

4A01.0 is in Chapter 4: Diseases of the Immune System (codes 4A00-4B4Z).

There is no direct ICD-10 mapping available for 4A01.0 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-10. Use the ICD-11 to ICD-10 converter to search for related codes.

ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.

4A01.0 has 8 child codes, including: 4A01.00 (Hereditary agammaglobulinaemia with profoundly reduced or absent B cells), 4A01.01 (Immunodeficiencies with severe reduction in at least two serum immunoglobulin isotypes with normal or low numbers of B cells), 4A01.02 (Specific antibody deficiency with normal immunoglobulin concentrations or normal number of B cells), 4A01.03 (Transient hypogammaglobulinaemia of infancy), and 4 more.