CBC Test



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Complete Blood Count (CBC) is a blood test that measures Red blood cells (RBC), White blood cells (WBC), Platelets (PLTs), Hemoglobin (Hb), and Hematocrit (Hct) in the blood. This test is used to determine the overall health and screen for any diseases that affect the blood cells.

What is Blood cells, Hemoglobin, and Hematocrit?

Blood is composed of cells and necessary substances such as nutrients and oxygen needed for the health. The blood cells are produced in bone marrow and are released into the blood. It provides nutrients and helps in the transport of gases within cells and tissues. The three main types of blood cells are:

Red Blood Cells (RBC):

  • Red blood cells contain a complex protein called hemoglobin. It carries oxygen to the body's organs and tissues from the lungs.

White Blood Cells (WBC):

  • White blood cells also called as leukocytes that help to protect the body against infections and foreign invaders, thus an important part of our immune system.
  • These cells are originated from bone marrow but circulate throughout the bloodstream.

Platelets (PLTs):

  • Platelets are the smallest blood cells that help the blood to clot during bleeding. Hemoglobin and Hematocrit are other two important substances in the blood. Hemoglobin is a complex protein found in red blood cells. It carries oxygen to the body's organs and tissues from the lungs. It also transports carbon dioxide from the body back to the lungs. Hematocrit is the percentage of red blood cell found in the whole blood.

Why this test is performed?

This test is performed as part of a routine check-up to monitor the overall health of an individual. Your doctor may ask you to perform this test to diagnose or to screen for diseases and conditions such as anemia, infections, cancer, or any bleeding disorder. This test is also recommended by your doctor if you experience any signs or symptoms such as weakness, fatigue, shortness of breath, headache, dizziness, pale skin, cold hands, and feet, etc. These are some of the common signs and symptoms which may be associated with anemia or polycythemia.

You may be advised to undergo this test if you are pregnant, have a family history of anemia, are suffering from an infection, have had blood loss after surgery, are suffering from heavy and prolonged menstrual bleeding, etc. This test is also performed to monitor the treatment response in individuals receiving treatment for diseases or conditions that affect blood cells.

How often this test is performed?

If you have a family history of blood disorders or conditions that affect blood cells, your doctor may ask you to perform this test on a 6-monthly basis or a yearly basis. Anemic patients should perform this test on a regular basis, as instructed by the doctor.

Pathology test parameters: Red blood cells (RBC), White blood cells (WBC), Platelets (PLTs), Hemoglobin (Hb) and Hematocrit (Hct).

Also known as CBC Automated Blood, Complete Blood Picture Automated Blood, CBP Automated Blood, Absolute Blood Count Automated Blood, Complete Blood Count, Platelet Test, WBC Test, Absolute Count, CBC, CBP, Complete Count, Complete Picture, Neutrophils Test, Hb PCV Test.