A red cell distribution width (RDW) test is a type of blood test that indicates variations in the size of a person’s red blood cells. It can confirm an anemia diagnosis and help determine its cause.

An abnormal red reflex finding most likely reflects an underlying ocular pathology in infants, but finding a normal red reflex during screening does not altogether exclude ocular disease. The American ...

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) along with a complete blood count (CBC) test. Be ...

If you’ve been feeling fatigued, have shortness of breath, cold hands and feet, and very pale skin, you may have an insufficient amount of red blood cells. This condition is called anemia, and it has ...

The National Food Laboratory has developed a new test method for the detection of Sudan Red food dye, a potential carcinogen that has been the focus of numerous product recalls. The aim of the test, ...

Steffini Stalos, DO, FCAP, is a pathology and lab medicine physician. She is also the chief medical officer of the lab consultancy firm Blood Associates, LLC. Mean corpuscular hemoglobin concentration ...

Antibodies are a part of your immune system. They fight germs, but sometimes they make a mistake and target your body's healthy cells instead. The Coombs test checks your blood for antibodies that ...