Articles

  • Test

    RBC count

    Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. Preparation may vary depending on the specific test.

    An RBC count is a blood test that measures how many red blood cells (RBCs) you have. RBCs contain hemoglobin, which carries oxygen. How much oxygen your body...

  • Test

    RBC indices

    Red blood cell (RBC) indices are part of the complete blood count (CBC) test. They are used to help diagnose the cause of anemia, a condition in which there ...

  • Test

    Reticulocyte count

    In the presence of some anemias, the body increases production of red blood cells (RBCs), and sends these cells into the bloodstream before they are mature.  These slightly immature cells are called reticulocytes, and are characterized by a network of filaments and granules.  Reticulocytes normally make up 1% of the total RBC count, but may exceed levels of 4% when compensating for anemia.

    A reticulocyte count is a blood test that measures the percentage of reticulocytes in the blood. Reticulocytes are slightly immature red blood cells. A blood...