. A blood smear for CBC is a microscopic examination of a stained blood sample on a glass slide, used to assess the morphology and distribution of red blood cells (RBCs), white blood cells (WBCs), and platelets.
. Previously, all blood smears were examined under a microscope by laboratory professionals. Now automated CBC digital analyzers provide quantitative data on blood cell counts, however; the blood smear allows detailed qualitative evaluation of cell size, shape, and appearance, which is essential for diagnosing and monitoring of a wide range of conditions such as anemia, infections, leukemias, and platelet disorders.
. It helps detect abnormal cells, parasites, and other hematological abnormalities that may not be evident in automated counts, making it a valuable tool in clinical diagnosis.