What is the normal range of Hemoglobin A2 in adults?

The normal range of Hemoglobin A2 in adults is indeed 1.5-3.5%. Hemoglobin A2 is a minor component of hemoglobin found in healthy individuals and typically constitutes about 2-3% of the total hemoglobin. Its accurate measurement is important as it can help in diagnosing certain blood disorders, such as beta-thalassemia.

In adults, levels of Hemoglobin A2 above the normal range can indicate the presence of these conditions and help distinguish them from other hemoglobinopathies. Thus, understanding this range is crucial in hematology for interpreting test results and making clinical decisions regarding patient care.