Frequently Asked Questions

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Why was my specimen rejected?

All tests have unique requirements. Your specimen may have failed to meet one of the following requirements:

• specimen type (for example: plasma, serum, whole blood)
• specimen volume
• patient information
• two person-specific identifiers on the patient label affixed to the test tube
• specimen container (for example; metal-free, separation gel, appropriate preservative)
• transport medium
• temperature (ambient, frozen or refrigerated)
• 24-hour collection for timed urine specimens
• pH of urine
• lack of hemolysis/lipemia

To avoid specimen rejection or delayed turnaround times, read the Specimen Required section on the Specimen tab of each test.

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