CBC with Differential

What it isA foundational hematology panel measuring red blood cells, white blood cells (with five-part differential), platelets, hemoglobin, hematocrit, and red cell indices. The single most useful screening test in medicine — touches anemia, infection, inflammation, marrow, hydration, and many systemic conditions.

DoesScreens for anemia, infection, hematologic malignancy, marrow failure, and inflammation in a single inexpensive draw.

GoodAll components within mid-normal range reflects robust hematopoiesis, intact immune, and no acute illness.

BadAbnormal results point in many directions: low hemoglobin to anemia, elevated white cells to infection or leukemia, low platelets to bleeding risk or marrow suppression, abnormal differential to specific immune issues. The pattern of abnormalities guides next steps.