The Coagulation System in Humans.- Platelet Physiology.- The Role of the Blood Vessel Wall.- Specimen Requirements for the Haemostasis Laboratory.- Principles of Haemostasis Tests.- Reference Ranges of Coagulation Tests.- Lupus Anticoagulant Testing.- Activated Partial Thromboplastin Time (APTT).- Prothrombin Time (PT) and International Normalised Ratio (INR).- Thrombin Clotting Time (TCT).- Thrombin Generation.- Activated Clotting Time (ACT).- Factor XII Assays.- Fibrinogen.- Platelet Counting.- Platelet Morphology Analysis.- Light Transmission Aggregometry.- Platelet Flow Cytometry.- Anti-factor Xa assay (anti-Xa).- Reptilase Time (RT).- Protamine Titration.- Laboratory Methods for the Assay if Tissue Factor Pathway Inhibitor (TFPI) in Human Plasma.- Heparin Induced Thrombocytopenia (HIT).- Nijmegen-Bethesda Assay to Measure Factor VIII Inhibitors.- Kaolin Clotting Time.- The Dilute Russell Viper Venom Time (DRVVT).- Platelet Neutralisation Test.- Antithrombin.- Protein C.- Protein S.- Testing for Hyperhomocysteinemia in Subjects with a History of Thromboembolic Events Using HPLC Technique.- Anticardiolipin Antibody and Anti-Beta 2Glycoprotetin I Assays.- Testing for Apolipoprotein (a) Phenotype Using Isoelectric Focusing and Immunoblotting Technique.- D-Dimer and Fibrinogen/Fibrin Degradation Products.