Med23 is related to opitz-kaveggia syndrome and intellectual developmental disorder, autosomal recessive 18, with or without epilepsy. An important gene associated with Med23 is MED23 (Mediator Complex Subunit 23), and among its related pathways/superpathways are Nervous system development and RNA Polymerase II Transcription Initiation And Promoter Clearance. Affiliated tissues include brain and smooth muscle, and related phenotype is embryo.