Critical values in the coagulation laboratory: results of a survey of the North American Specialized Coagulation Laboratory Association.

@article{Pai2011CriticalVI,
  title={Critical values in the coagulation laboratory: results of a survey of the North American Specialized Coagulation Laboratory Association.},
  author={Menaka Pai and Karen A Moffat and Elizabeth A Plumhoff and Catherine P M Hayward},
  journal={American journal of clinical pathology},
  year={2011},
  volume={136 6},
  pages={836-41}
}
Critical values are vital to safe clinical and laboratory practice. To address the lack of information on critical values in coagulation, pattern-of-practice surveys were distributed to members of the North American Specialized Coagulation Laboratory Association. More than 70% of respondents had critical values for commonly performed tests. Median values were as follows: prothrombin time, more than 37 seconds; international normalized ratio, more than 5; activated partial thromboplastin time… CONTINUE READING