The main anticoagulant for coagulation studies is:

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Sodium citrate is the main anticoagulant used for coagulation studies. It works by chelating calcium ions, which are necessary for coagulation, thereby preventing blood from clotting. EDTA, heparin, and oxalate are also anticoagulants but are not commonly used for coagulation studies. EDTA is primarily used for hematology studies, heparin is used for in vitro diagnostics and anticoagulant therapy, and oxalate is used for glucose testing.

The Main Anticoagulant for Coagulation Studies Is