It is summer and the temperature is above 77°F/25°C. Can we ship the sample?

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• It is winter and the temperature is below 65°F/18°C. Can we ship the sample?

  Yes, but please keep the sample indoors until it is handed off to FedEx®. Do not set it out for the courier to pick up. 

• It is Friday and I have a patient that needs an OncoK9 test. Can the sample wait until Monday’s regular FedEx® pickup?

  Yes, a sample will remain viable over the weekend if it is kept at room temperature until it is shipped. Because a sample cannot be processed if it arrives at the PetDx Laboratory more than 7 days after it was collected, sending the sample as soon as ...

• What causes a sample to fail?

  Sample failures typically arise when a sample is not obtained in accordance with the OncoK9 collection procedure. Reasons include: insufficient quantity of blood a coagulated sample samples that exhibit extensive hemolysis samples which were subject ...

• Why is there concern over the sample being at room temperature? Why can’t I put it in the fridge/freezer?

  The cell-free DNA (cfDNA) blood collection tubes used to collect OncoK9 samples have an anticoagulant as well as a preservative to stabilize cells. This prevents the cells in the sample from lysing (breaking apart) and releasing their cellular ...

• My patient’s sample failed. How do I resolve the failure status in my account?

  When a sample fails to produce a result, all members of the clinic who are registered with PetDx will receive an email alert pertaining to this failure. You will also be able to see a ‘Sample Failed’ status for that entry in the Veterinary Portal. ...