Paroxysmal Nocturnal Hemoglobinuria 2, also known as pnh2, is related to paroxysmal nocturnal hemoglobinuria and hemoglobinuria, and has symptoms including abdominal pain, arthralgia and diarrhea. An important gene associated with Paroxysmal Nocturnal Hemoglobinuria 2 is PIGT (Phosphatidylinositol Glycan Anchor Biosynthesis Class T). Affiliated tissues include bone marrow and bone, and related phenotypes are fatigue and hemolytic anemia