Platelet Count (MPV Blood Test)

Platelet Count Blood Test

A platelet count blood test is done to check the number of platelets in the blood. This test is done as a part of a complete blood count test to screen various conditions that interfere with blood clotting.

Why is the Platelet Count blood test Prescribed?

A doctor may prescribe the platelet count test

To help diagnose various viral infection

• To monitor or diagnose various conditions that cause too much bleeding or clotting.
• Diagnose certain platelet diseases
• To check for any bleeding disorders before surgery
• To check platelet function in surgeries that have an increased risk of bleeding
• To monitor patients who are taking blood thinners
• In patients with prolonged bleeding after a minor cut or injury, Nosebleeds, red spots on the skin(petechiae), Purple spots on the skin (purpura), bruising on the skin, heavy menstrual bleeding.
• In patients with numbness of hands and feet, dizziness, headache, weakness.

A platelet count test measures the number of platelets in the blood.

• A low platelet count indicates thrombocytopenia, which causes too much bleeding after minor or major injury.
• A high platelet count is called thrombocytosis, which causes blood clotting that can block blood flow.

Procedure and prerequisites

A blood sample is taken from the vein in the arm using a small needle. There is no need to fast if one is going only for a platelet count test, but if other blood tests are also recommended, the patient needs to fast as the doctor guides.

Reference range

150,000 to 450,000 platelets per microliter of blood

• More than 450,000 platelets are known as thrombocytosis
• less than 150,000 platelets are known as thrombocytopenia

These values are for theoretical reference and may vary from laboratory to laboratory.