Nephronophthisis 18, also known as nphp18, is related to orofaciodigital syndrome ix and infantile nephronophthisis. An important gene associated with Nephronophthisis 18 is CEP83 (Centrosomal Protein 83), and among its related pathways/superpathways are Loss of Nlp from mitotic centrosomes and Organelle biogenesis and maintenance. Affiliated tissues include liver and kidney, and related phenotypes are nephronophthisis and tubulointerstitial nephritis