what is HGB lab test
Labtestsonline.org explains that the purpose of an Hgb blood test is to determine the amount of hemoglobin that exists in your blood as well as, how well it is supplying your blood cells with oxygen.In patients with bleeding problems such as, heavy menstrual flows, an Hgb test can determine levels of anemia.igh Hgb Results. A blood test that reflects a high Hgb result may indicate that your kidneys are not functioning as they should be. According to mayoclinic.com, your kidneys may be eliminating too much protein, or that your bone marrow is overproducing red blood cells.