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CBC with Differential Blood Test

Complete Blood Count, CBC
Sample Report
Specimen Type: Blood


CBC with Differential Blood Test

A Complete Blood Count (CBC) with Differential is a broad screening test which can aid in the diagnosis of a variety of conditions and diseases such as Anemia, Leukemia, bleeding disorders, and infections. This test is also useful in monitoring a person's reaction to treatment when a condition which affects blood cells has been diagnosed.

A CBC includes the following measurements:

  • White Blood Cell Count (WBC) WBC's protect the body against infections.
  • Red Blood Cell Count (RBC) RBC's carry oxygen throughout the body.
  • Red Cell Distribution Width (RDW) is the variation in size of the RBC's.
  • Hematocrit measures the percentage of blood made of up red blood cells.
  • Hemoglobin is a protein which carries oxygen in the blood.
  • Mean Corpuscular Volume (MCV) measures the average size of RBC's.
  • Mean Corpuscular Hemoglobin (MCH) measures the average amount of hemoglobin in a red blood cell.
  • Mean Corpuscular Hemoglobin Concentration (MCHC) is the average percentage of hemoglobin in a red blood cell.
  • Platelet Count measures cell fragments which are vital for proper blood clotting.
  • Percentage and absolute differential counts for types of WBC's including neutrophils, lymphocytes, monocytes, eosinophils, and basophils.

A CBC is often ordered as part of a routine health examination. It is also ordered when someone has symptoms which may indicate a condition which affects the blood cells or is undergoing treatment such as chemotherapy which affects blood cells.

Turnaround time for the CBC with Differential is typically 1 business day.

Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.


The CBC with Differential has no fasting requirements.



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