Mondo Description Any paroxysmal nocturnal hemoglobinuria in which the cause of the disease is a mutation in the PIGT gene.

Uniprot Description A disorder characterized by hemolytic anemia with hemoglobinuria, thromboses in large vessels, and a deficiency in hematopoiesis. Red blood cell breakdown with release of hemoglobin into the urine is manifested most prominently by dark-colored urine in the morning.