White blood cell (WBC) differential, also known as a complete blood count (CBC) with differential, is a medical test that evaluates and quantifies the different types of white blood cells present in a person's bloodstream. White blood cells are an integral part of the immune system and play a crucial role in fighting off infections and diseases.
During a white blood cell differential test, a small sample of blood is collected and examined under a microscope. A trained healthcare professional observes and identifies the various types of white blood cells, including neutrophils, lymphocytes, monocytes, eosinophils, and basophils. The percentage of each type of white blood cell is then determined, and absolute counts may also be provided.
The results of a white blood cell differential test can provide valuable information about a person's overall health and immune function. An imbalance or abnormality in the proportions of certain white blood cells may indicate the presence of an underlying medical condition, such as an infection, inflammation, allergic reaction, leukemia, or other blood disorders. Moreover, the WBC differential test helps monitor the progression of a known condition or the response to treatment.
By analyzing the different types of white blood cells present in the bloodstream, a white blood cell differential test serves as an essential tool for diagnosing, monitoring, and managing a wide range of health conditions. This information aids healthcare professionals in providing appropriate and personalized care to patients based on their specific needs.
