What tests can heparin use for?

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Heparin is widely used in clinical blood detection, mainly heparin lithium and heparin sodium. Because of its minimal chelating property, minimal interference to water and relatively low cation concentration, heparin has relatively less interference to blood components. It does not affect the volume of red blood cells and does not cause hemolysis. Therefore, in the detection of whole blood samples, heparin lithium and heparin sodium are widely used, Heparin is used as a blood anticoagulant.

Heparin lithium powder

In addition to the use in blood testing, heparin is suitable for erythrocyte fragility test, blood gas analysis, hematocrit test, hemorheology and emergency biochemical determination. Heparin is the preferred anticoagulant in the detection of pH value, blood gas, electrolyte and calcium ion. However, for electrolyte test, heparin lithium test showed higher accuracy than other tests, heparin sodium may overestimate the sodium level, and heparin ammonium may increase the serum urea nitrogen level when measured by urease program. In addition, heparin lithium has the least possibility of interference in the detection of non lithium ions, so heparin lithium is recommended as an anticoagulant. At present, heparin lithium is gradually replacing heparin sodium in blood test.

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