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A platelet count measures the average platelet level in a person’s blood. High or low platelet levels can increase the risk of clotting or excessive bleeding.
A platelet count (PLT) is a test that measures the number of platelets in your blood. Platelets help your blood clot. Too few platelets can be a sign of cancer, infections or other health problems.
A platelet or PLT blood test is a standard inclusion of a complete blood count (CBC). It measures the number of platelets in the blood sample using electrical or optical sensors. In some cases, a medical technician will take a smear under a microscope to count the individual platelets.
A platelet count measures the number of platelets in your blood. Learn about the test, its results, conditions like thrombocytopenia and thrombocytosis, and prep tips.
Your platelet count is an estimate of the concentration of platelets in your blood, and it is part of a routine complete blood count (CBC). Certain diseases and medications can cause platelets to be too high or too low.
Health Library / Body Systems & Organs / Platelets are cell fragments and the smallest component of your blood. Their primary job is to stop the bleeding if you’re injured. If a blood vessel is damaged, platelets cluster together to form a plug first and then a clot to stop the blood loss.
There are two types of platelet tests: a platelet count test and platelet function tests. A platelet count test measures the number of platelets in your blood. A lower than normal platelet count is called thrombocytopenia.