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Maintaining normal hemoglobin levels is important, as this blood protein carries oxygen to your cells. There can be slight variations between what different healthcare providers consider “healthy,” but in general, a healthy hemoglobin level for adult males is 13.8 to 17.2 grams per deciliter (g/dL).
Normal hemoglobin levels can vary based on several factors, including age and sex assigned at birth. Learn more about the normal hemoglobin ranges for adults, children, and infants.
Read about hemoglobin lab values, normal range, blood test, and high and low values. Learn what normal, low, and high levels of hemoglobin mean. Also learn about defective hemoglobin, deficiency, treatment, symptoms, and causes.
Hemoglobin carries oxygen to the body's organs and tissues when you breathe in. Then it carries the waste gas carbon dioxide back to the lungs to be breathed out. If a hemoglobin test shows that your hemoglobin level is lower than it should be, that's a sign of a condition called anemia.
What is a normal hemoglobin level? Healthcare professionals measure hemoglobin in grams per deciliter of blood (g/dL). Normal hemoglobin levels are as follows:
Normal hemoglobin levels in the blood typically depend on sex, age and general health. Abnormally low or high levels of hemoglobin can indicate a range of health conditions, including anemia and sickle cell disease.
Overview. Why is hemoglobin a1c important? What is a hemoglobin test? A hemoglobin test measures the amount of hemoglobin in your blood. Hemoglobin is a protein that’s the main component of red blood cells (erythrocytes). Hemoglobin contains iron, which allows it to bind to oxygen.