MONDO_0013275 (hemolytic anemia due to glucophosphate isomerase deficiency) is a rare hemolytic anemia due to a defect of the glycolytic enzyme glucose 6-phosphate isomerase (GPI) characterized by chronic nonspherocytic hemolytic anemia and, rarely, neurological impairment. Also known as: CNSHA4, anemia, congenital, nonspherocytic hemolytic, 4, glucose phosphate isomerase deficient, glucosephosphate isomerase deficiency, hemolytic anemia, nonspherocytic, due to glucose phosphate isomerase deficiency.