Any immunodeficiency disease in which the cause of the disease is a mutation in the IKBKG gene. The disease is immunodeficiency 33 (MONDO_0010386). Also known as: IKBKG X-linked mendelian susceptibility to mycobacterial diseases, IKBKG invasive pneumococcal disease, recurrent isolated, IMD33, IPD2, X-linked MSMD due to IKBKG deficiency, X-linked MSMD due to NEMO deficiency, X-linked mendelian susceptibility to mycobacterial diseases caused by mutation in IKBKG, X-linked mendelian susceptibility to mycobacterial diseases due to IKBKG deficiency.