Any renal-hepatic-pancreatic dysplasia in which the cause of the disease is a mutation in the NPHP3 gene. The disease is MONDO_0008833 (renal-hepatic-pancreatic dysplasia 1). Also known as: NPHP3 renal-hepatic-pancreatic dysplasia, renal-hepatic-pancreatic dysplasia caused by mutation in NPHP3, renal-hepatic-pancreatic dysplasia type 1.