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Common causes for specimen rejection include:  

  • Specimen unlabeled or labeled improperly
  • Specimen improperly collected  
  • Specimen not collected in required container
  • Specimen submitted without mandatory patient information
  • Specimen volume not sufficient for test protocol or proper blood: anticoagulant ratio
  • Patient improperly prepared as specified for test procedure (fasting, etc.)  
  • Specimens received in the laboratory with attached needles  
NOTE: See individual test listing for any special rejection criteria that may apply.