<prompt> The best suited anticogulant for osmotic fragility test is:HeparinEDTATrisodium citratePotassium oxalate  <response>: Ans. a HeparinRef: Dacie 11thpg246Best suited anticogulant for osmotic fragility test is Heparin.Heparinized venous blood or defibrinated blood may also be usedOxalated or citrated blood is not suitable because of the additional salts added to it. 