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

Video What does it mean when hematocrit is high

results and monitoring

what is the normal range for hematocrit levels?

These are normal hematocrit levels by gender and age:

  • adult males: 41% to 50%
  • adult women: 36% to 44%.
  • infants: 32% to 42%
  • newborns: 45% to 61%
  • what does it mean if your hematocrit is high?

    A high hematocrit level can be a sign of several conditions, including polycythemia vera. Your healthcare provider is your best resource for information about your test result. Some conditions that can cause high hematocrit levels include:

    • heart disease: Studies show that high hematocrit levels increase the risk of developing cardiovascular disease.
    • dehydration: Dehydration reduces all of the water content in your body, including the plasma in your blood. lower plasma levels increase the ratio of red blood cells to blood volume. which increases hematocrit levels.
    • scarring or thickening of the lungs: Scarring in the lungs makes it difficult for red blood cells to carry oxygen throughout the body.
    • obstructive sleep apnea: Studies show links between obstructive sleep apnea and elevated hematocrit levels.
    • Smoking: Smoking affects hematocrit levels in two ways. Smoking causes your body to make more erythropoietin, the kidney hormone that stimulates the production of red blood cells. more red blood cells means higher hematocrit levels.
    • carbon monoxide poisoning: carbon monoxide affects the capillaries, decreasing the amount of plasma in the blood and increasing the number of red blood cells. more red blood cells means higher hematocrit levels.
    • Testosterone use: Studies show that testosterone use increases the number of red blood cells, which increases hematocrit levels.
    • what does it mean if your hematocrit is low?

      Suspected anemia is the most common reason for hematocrit testing. Your healthcare provider is your best resource for information about your test result. other conditions include:

      • Blood loss due to injury or illness: Blood loss affects the number of red blood cells. Fewer red blood cells mean lower hematocrit levels.
      • leukemia: You have fewer red blood cells than normal because the leukemia cells in your bone marrow are crowding out healthy red blood cells.
      • hemolytic anemia: Your red blood cells break down or die faster than your body can replace them.
      • Hyponatremia: This condition means you have too much water in your body, which literally causes your blood to thin.
      • Kidney disease: Low hematocrit levels are a sign of anemia. anemia is a common complication of kidney disease.
      • thyroid disease: thyroid hormones favor the production of red blood cells. Fewer red blood cells mean lower hematocrit levels.
      • what level of hematocrit is considered anemic?

        If your hematocrit level is below the normal range for your gender, your provider may do more tests to check your red blood cell levels. anemia occurs when you don’t have enough red blood cells.

        what does it mean when hematocrit and hemoglobin are low?

        Three factors can cause hematocrit and hemoglobin levels to drop:

        • is losing blood due to injury or illness.
        • Your bone marrow does not make enough red blood cells.
        • Your red blood cells are dying earlier than normal.
        • When should I call my health care provider?

          Your provider may have ordered a blood test because you have symptoms of conditions that affect hematocrit levels. If that’s your situation, you should contact your provider if your symptoms get worse.

          a note from the cleveland clinic

          You may have had a blood test that shows your hematocrit levels are higher or lower than normal. there are many reasons why this happens. sometimes higher or lower hematocrit levels are signs of serious medical conditions. Unusual hematocrit levels may occur simply because you have less serious conditions, such as obstructive sleep apnea. ask your health care provider to interpret your individual test results. they will explain your results and, if you have an underlying condition, determine treatments for your condition.

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