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  1. Hematocrit Test: What It Is, Levels, and High & Low Range

    May 12, 2025 · A hematocrit test is a simple blood test that measures the percentage of red blood cells in your blood. Red blood cells are important because they carry oxygen throughout your …

  2. What Your Hematocrit Levels Say About Your Health

    Nov 3, 2025 · The hematocrit (HCT) test shows how much of your blood is made up of red blood cells. A high or low result on an HCT test can help point to health problems like anemia or a …

  3. Hematocrit Testing: Purpose and Procedure - WebMD

    Apr 18, 2024 · Hematocrit tests check the percentage of red blood cells in your blood. Learn how and why this test is done and what the results might mean.

  4. Hematocrit Ranges (Normal, High, Low): Chart & Symptoms

    Sep 20, 2024 · What is the hematocrit? The hematocrit is the proportion, by volume, of the blood that consists of red blood cells. The hematocrit (hct) is expressed as a percentage. For …

  5. Hematocrit Blood Test: Normal, High, Low Ranges & Chart

    The hematocrit test indicates the percentage of blood by volume that is composed of red blood cells. The condition called "anemia" results from having too few red blood cells. Anemia …

  6. Hematocrit test - Mayo Clinic

    A hematocrit test can help your health care team make a diagnosis or monitor how you respond to a treatment. The test is done as part of a complete blood count (CBC).

  7. Hematocrit - Wikipedia

    Because the purpose of red blood cells is to transfer oxygen from the lungs to body tissues, a blood sample's hematocrit—the red blood cell volume percentage—can become a point of …

  8. Hematocrit - Health Encyclopedia - University of Rochester …

    Your hematocrit (HCT) shows whether you have a normal amount of red blood cells, too many, or too few. To measure your HCT, your blood sample is spun at a high speed to separate the red …

  9. Hematocrit and Hemoglobin - Red Cross Blood

    What Does Hematocrit Mean? Hematocrit is the percentage by volume of red cells in your blood. Blood is made up of red blood cells, white blood cells and platelets, suspended in plasma. …

  10. What Is Hematocrit and What Do Low or High Levels Mean?

    Aug 2, 2025 · Hematocrit (Hct) quantifies the percentage of red blood cells in your blood. For instance, a hematocrit reading of 45% means that 45% of your blood volume consists of red …