凝血检测被临床广泛应用于出血和血栓性疾病的筛查与诊断、凝血因子与功能的检测、抗凝药物与因子替代治疗的监测,以及特异性和非特异性抗凝物质的筛查等各方面[1]。临床实验室检测结果的准确性与可靠性受多种因素的干扰与影响,其中检验前处理程序尤为重要[2],可直接影响对患者的医疗决策。 Clotting tests are widely used clinically for screening and diagnosis of bleeding and thrombotic diseases, detection of clotting factors and functions, monitoring of anticoagulant and factor replacement therapy, screening of specific and nonspecific anticoagulants [1]. The accuracy and reliability of clinical laboratory test results are disturbed and influenced by many factors, of which pre-test procedure is particularly important [2], which can directly affect the medical decision-making of patients.