Complete Blood Count (CBC) is a comprehensive blood test that evaluates the various components of blood, including red blood cells (RBCs), white blood cells (WBCs), and platelets. It provides valuable insights into overall health and helps diagnose and monitor a wide range of medical conditions.
The CBC measures the number of RBCs, which carry oxygen to tissues and organs, and determines the hemoglobin levels, which are crucial for oxygen transport. Abnormalities in RBC count or hemoglobin levels can indicate anemia, a deficiency of healthy red blood cells or hemoglobin.
The WBC count, along with differential white cell count, examines the different types of white blood cells, such as neutrophils, lymphocytes, monocytes, eosinophils, and basophils. It helps identify and monitor infections, inflammatory diseases, and immune system disorders.
Platelet count, a crucial component of CBC, assesses the blood’s ability to clot and prevents excessive bleeding. Low platelet count can indicate bleeding disorders, while high platelet count may suggest certain inflammatory or clotting disorders.
Additionally, the CBC provides the mean corpuscular volume (MCV), which reflects the average size of RBCs and helps classify different types of anemia. It also measures the hematocrit, which is the percentage of blood volume occupied by RBCs, and the mean corpuscular hemoglobin (MCH) to assess the amount of hemoglobin per RBC.
Overall, the CBC is a fundamental blood test used in routine health check-ups, pre-operative evaluations, and disease monitoring. It assists healthcare professionals in diagnosing and managing various conditions, including infections, anemias, bleeding disorders, inflammatory diseases, and blood cancers. The results of CBC help guide appropriate treatments, monitor response to therapies, and ensure overall well-being.