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Purpose
A complete blood count measures various components of blood including red blood cells, white blood cells, haemoglobin, and platelets. It provides important information about overall health and can help detect a variety of disorders.
How to Prepare
Generally no special preparation required. Inform your doctor of any medications you are taking. In some cases fasting may be required — follow your doctor's instructions.
What to Expect
A small blood sample is drawn from a vein (usually in the arm). The sample is sent to a laboratory for analysis. Results are typically available within 24 hours.
Aftercare
No special aftercare needed. Apply gentle pressure to the collection site if there is any bleeding. Resume normal activities immediately.
Related Specialties
HaematologyGeneral Medicine