Normal hemoglobin levels Normal hemoglobin levels correlate with the person's age and sex. Levels can vary between different testing systems and under their doctor's consultation. A hemoglobin test measures the amount of hemoglobin in your blood. If a hemoglobin tests shows that a person's levels are below normal, it means they have a low red blood cell count, which is known as anemia. If the test shows higher levels than normal, it means they have<unk> . The normal range for hemoglobin is: * For men, 13.5 to 17.5 grams per deciliter. 13.5 and 18 g/dl are the lower and upper limits of the acceptable range. * For women, 12.0 to 15.5 grams per deciliter 12 and 16 g/dl are the lower and upper limits of the acceptable range. Symptoms of anemia
Hemoglobinemia
Thalassemia
Sideroblastic anemia
Myelophthisic anemia
Alpha-thalassemia
Megaloblastic anemia
Beta thalassemia
Paroxysmal nocturnal hemoglobinuria