Any non-syndromic X-linked intellectual disability in which the cause of the disease is a mutation in the BRWD3 gene. The disease is MONDO_0010393 (intellectual disability, X-linked 93). Also known as: BRWD3 non-syndromic X-linked intellectual disability, intellectual developmental disorder, X-linked 93, X-linked recessive, intellectual disability, X-linked type 93, mental retardation, X-linked type 93, non-syndromic X-linked intellectual disability caused by mutation in BRWD3.