A rare genetic hepatic disease characterized by low biliary phospholipid concentration with symptomatic and recurring cholelithiasis which develops before the age of 40 years. The disease is MONDO_0010939 (gallbladder disease 1). Also known as: ABCB4 gene mutation-associated cholelithiasis, GBD1, LPAC, cholelithiasis with ABCB4 gene mutation, cholelithiasis, low phospholipid-associated, gallbladder disease type 1, low phospholipid associated cholelithiasis.