What is the main purpose of a complete blood count (CBC)?

The main purpose of a complete blood count (CBC) is to evaluate overall health and detect various disorders. A CBC is a comprehensive blood test that provides valuable information about the components of blood, including red blood cells, white blood cells, and platelets. Each of these components has different functions in the body, and abnormalities in their levels can indicate a range of health issues, such as anemia, infection, inflammation, and many other medical conditions. By assessing these parameters, healthcare providers can gain insight into a patient's general health status and identify potential disorders that may require further investigation or management.

In contrast, assessing hormone levels, measuring blood glucose, or determining liver function are specific tests focused on narrower aspects of health and do not encompass the comprehensive nature of a CBC.