Kcnk9 Imprinting Syndrome, also known as birk-barel mental retardation dysmorphism syndrome, is related to intellectual disability, birk-barel type and birk-barel syndrome. An important gene associated with Kcnk9 Imprinting Syndrome is KCNK9 (Potassium Two Pore Domain Channel Subfamily K Member 9). Affiliated tissues include cortex.