It measures several important components of blood, including:

• Red Blood Cells (RBC) – Carry oxygen throughout the body
• White Blood Cells (WBC) – Help fight infections
• Hemoglobin (Hb) – Protein that carries oxygen in red blood cells
• Hematocrit (HCT) – Percentage of red blood cells in the blood
• Platelets – Help with blood clotting
• Mean Corpuscular Volume (MCV) – Measures average size of red blood cells

Doctors commonly recommend a CBC test for routine health checkups, diagnosing symptoms like fatigue or fever, monitoring medical conditions, and tracking treatment progress.