A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...
Medically reviewed by Gagandeep Brar, MD Key Takeaways Talk to your doctor if you have signs of anemia, such as excessive fatigue, because it may be helpful to have a red cell distribution width (RDW) ...
A mean corpuscular volume (MCV) test is a blood test that measures the size and volume of your red blood cells. Red blood cells carry oxygen from the lungs to other body parts. An MCV test is often ...