Deafness, Autosomal Recessive 63, also known as dfnb63, is related to deafness, autosomal recessive 7 and deafness, autosomal recessive 2. An important gene associated with Deafness, Autosomal Recessive 63 is LRTOMT (Leucine Rich Transmembrane And O-Methyltransferase Domain Containing), and among its related pathways/superpathways are Olfactory Signaling Pathway and Sensory processing of sound. Affiliated tissues include brain, and related phenotypes are abnormal electroretinogram and congenital sensorineural hearing impairment