plasma vs serum

plasma vs serum

When it comes to laboratory testing, understanding the difference between plasma vs serum is crucial. Both plasma and serum are components of blood, but they differ in their preparation and content. Plasma is the liquid part of the blood that remains when blood cells are removed, and it still contains clotting factors, such as fibrinogen. In contrast, serum is obtained after blood has clotted, meaning it lacks these clotting factors. This difference is important because plasma is often used for tests that require the presence of these factors, while serum is preferred for tests that need to measure substances without interference from clotting proteins. Knowing when to use plasma vs serum can help ensure more accurate diagnostic results.

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