Explanation

• Anticoagulant of choice for coagulation test 3.5% Sodium Citrate
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• The actual value of Sodium Citrate should be 3.13% to 3.5%
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• EDTA is useful for hematologic tests because it preserves blood cells better than other similar agents,
• whereas sodium citrate is useful as a coagulation test agent since factors V and VIII are more stable in this substance