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RBC blood test is the test that indicates the number of red blood cells (RBCs) in your blood. These cells are also called erythrocytes. An abnormal RBC level (low or high) can lead to various diseases, such as heart disease, kidney failure, bleeding, or anemia. This article will show the importance of the RBC test with their normal ranges. A provider will recommend you treatment for low or high red blood cells.
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RBC blood test helps to see whether you have normal red blood cells. RBCs are the type of blood cell developed in your bone marrow and present in your blood. Red blood cells include hemoglobin, the protein that transports oxygen to your body’s tissues. Hemoglobin also carries carbon dioxide from the tissues and releases it from the body through the lungs. The necessary hemoglobin amount is required for the proper oxygen supply to the body’s tissues to do various functions. The RBCs level can tell how well oxygen carries to your tissues. If you have a low or high RBC count, you may experience symptoms of these.
Here are the symptoms of low RBC count that include:
The following are the symptoms of a high RBC count, which include:
You may order a red blood cell count if you have these symptoms.
When does the provider order an RBC blood test?
A healthcare provider may recommend this test to diagnose or observe different medical conditions. RBC count is a routine test that may suggest:
Generally, a doctor may order additional tests than an RBC count to find a medical problem. This test is often included in a blood panel test called complete blood cell (CBC) count. A CBC test determines the number of following types of blood cells, such as:
A red blood cell count requires a blood sample. You can schedule an online order for this test before going to the laboratory. A provider will ask you to sit on a chair and stay relaxed during this test. A small needle will be inserted into a vein in your arm. Your blood sample will be deposited into the specimen or test tube. You may experience slight pain for a short period after the test. Your blood sample will be examined in the laboratory. The test result is often received within one or two days, depending on the laboratory.
You do not need any preparation for this test. You can eat or drink before the test if you only have a red blood cell count or complete blood count. But, if the healthcare provider recommends more blood tests, fasting (avoiding eating or drinking) is required.
The normal range of the RBC blood test may change with factors, including age, sex, medical history, altitude, and others. The red blood cell count is expressed in millions of cells per microliter (mcL) of blood or trillions of cells per liter (L) of blood. The normal RBC count range is listed below for:
Men: 4.7 to 6.1 million/mcL
Women: 4.2 to 5.4 million/mcL
Children: 4.1 to 5.5 million/mcL
If you have lower or higher than these levels, you may have a chance of developing certain diseases.
A Higher RBC count than recommended shows several medical problems. An increase in the red blood cell count compared to normal shows the increase of oxygen-transporting cells in your blood.
The following are the causes that may lead to the high amount of RBCs that includes:
Some other possible lifestyle changes that show a high RBC count include:
A low red blood cell count tells that your blood has reduced oxygen-transporting cells. Low RBC count than normal can occur due to these conditions, such as:
The treatment for an RBC count may vary with the medical cause. If your RBC blood test results indicate high RBCs due to nutritional deficiency, excess use of medication, or chronic condition, you may consider these to reduce your rbc level.
You can increase your low RBC count up to the normal range if you:
An RBC blood test can determine the number of red blood cells in your blood. A high or low RBC count may indicate different medical problems. A healthcare provider will note your RBC levels if you experience a blood disorder or take medicines that may change it. By following the above-recommended treatment steps, you can maintain a healthy red blood cell count in the blood. You may consult an online provider for more information about your rbc test result.
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