Nephronophthisis 4, also known as nphp4, is related to cone-rod dystrophy 1 and joubert syndrome 7, and has symptoms including polyuria and polydipsia. An important gene associated with Nephronophthisis 4 is NPHP4 (Nephrocystin 4), and among its related pathways/superpathways are Visual phototransduction and Joubert syndrome. Affiliated tissues include kidney and lung, and related phenotypes are polydipsia and anemia