Description
Used to evaluate intrinsic coagulation system and monitor heparin therapy. It is also used to detect classical haemophilia-A, dysfibrinogenaemia, vitamin K deficiency and Christmas disease.
Indications
PTT is prolonged with DIC, lupus anticoagulant, liver failure, vitamin K deficiency, congenital deficiency of Fitzgerald factor and congenital deficiencies of factors II, V, VIII, IX, X, XI, and XII.
Sample Type, Quantity & Conditions
2 ml Citrated Plasma Room Temperature
Special Precautions
Separate plasma from cells as soon as possible and freeze for transport. Avoid clotted, haemolysed or serum samples.
Normal Range
26.0 - 35.0 Seconds
