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Hemogram Blood Test

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The Hemogram Blood Test measures different components of blood to help screen for blood disorders such as anemia, leukemia, and infection.


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Test Code:


CPT Code(s):



Electronic Cell Sizing/Counting/Cytometry/Microscopy




No special preparation is required.

Test Results:

1-2 days. May take longer based on weather, holiday, or lab delays.

Walk-In Lab is prohibited from selling Quest tests to residents in the following states:AZ, NY, NJ, RI

What is the purpose of this test?

Order this Hemogram Blood Test, which measures different blood components to help screen for blood disorders such as anemia, leukemia, and infection. The hemogram test, often called the complete blood test, detects even the slightest abnormalities and offers critical information about the signs or causes of a disease or infection. A complete hemogram test typically consists of the following components: 


  • Red Blood Cells (RBC) - Responsible for carrying oxygen to and carbon dioxide away from all cells. Iron deficiency will lower the RBC count.
  • White Blood Cells (WBC) - The body's primary defense against disease and helps to fight infection.
  • Hemoglobin - A chemical compound inside red cells that transports oxygen through the bloodstream to all cells of the body. Hemoglobin gives the red color to blood.
  • Hematocrit - Measures the amount of space red blood cells take up in the blood. It is reported as a percentage.
  • Mean Corpuscular Volume (MCV) - The average size of red blood cells.
  • Mean Corpuscular Hemoglobin (MCH) - The average hemoglobin concentration within a red blood cell.
  • Mean Corpuscular Hemoglobin Concentration (MCHC) - 
  • Red Cell Distribution Width (RDW) - Measures the amount of red blood cell variation in volume and size.


However, it is essential to note that the individual components of the hemogram test may vary depending on the lab. The primary purpose of this test is to monitor the overall health condition of individuals with a high risk of developing a blood disorder or infection.


The hemogram test helps monitor individuals with the following conditions:


  • Cancer
  • Anemia
  • Arthritis
  • Blood clots
  • Bone disease
  • Dehydration
  • Heart disease
  • Autoimmune diseases
  • Infection or inflammation


How are Hemogram and CBC different?

The main difference between a hemogram test and a complete blood count (CBC) test is that CBC does not include the Erythrocyte Sedimentation Rate (ESR) test. However, the hemogram test consists of both CBC and ESR tests. Other than this, hemogram and CBC are very much alike. The hemogram and CBC tests help evaluate the blood cells and, in turn, the overall health of high-risk individuals.


When should I order a Hemogram Blood Test?

Individuals may order this test if they have experienced blood disorder or infection symptoms. Common signs or symptoms of blood disorders may include:


  • Recurring infections
  • Fatigue
  • Muscle weakness
  • Weight loss
  • Shortness of breath
  • Slow-healing cuts or sores
  • Bruise easily
  • Nosebleeds or bleeding gums
  • Blood loss
  • Increased heart rate

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