A test that measures the amount of hemoglobin – a protein in your red blood cells that carries oxygen to your body’s organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs – in your blood is called hemoglobin test.
It means that you have anemia or have a low red blood cell count if the test reveals that your hemoglobin level is lower than normal.
The causes of anemia are bleeding, vitamin deficiencies, and chronic diseases.
Possible causes of a higher than normal hemoglobin level includes:
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