What does hba22.3 mean?

Thalassemia. HBA2, namely hemoglobin A2, is a kind of human hemoglobin. Normal people have three kinds of hemoglobin: hemoglobin A, hemoglobin A2 and hemoglobin F, of which hemoglobin A2 accounts for about 2% to 3% in peripheral blood. When it shows 2.3, it means that it has thalassemia and needs medication, otherwise it will affect its health.