Non-Syndromic X-Linked Intellectual Disability 14, also known as mrx14, is related to intellectual developmental disorder, x-linked 14 and microcephaly. An important gene associated with Non-Syndromic X-Linked Intellectual Disability 14 is CLEC18B (C-Type Lectin Domain Family 18 Member B). Related phenotype is Increased HPV18 LCR reporter activity.