Post-Blood Donation Blood Sample Changes: Understanding Reticulocytes, Platelets & Neutrophils

Reticulocytes: These are immature red blood cells that are released from the bone marrow in response to increased demand for red blood cells. They are typically seen in increased numbers 1-2 days after blood donation.

Platelets: Platelets are small, disk-shaped cells that help to stop bleeding. They are also released from the bone marrow in response to increased demand. They are typically seen in increased numbers 1-3 days after blood donation.

Neutrophils: Neutrophils are a type of white blood cell that helps to fight infection. They are typically seen in increased numbers 1-2 days after blood donation.

Lymphocytes: Lymphocytes are a type of white blood cell that helps to fight infection. They are typically seen in increased numbers 1-2 days after blood donation.