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  3. Specimen requirements

Specimen requirements

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  • What are the different types of test failures for NIPS (non-invasive prenatal screening)?
  • What are possible explanations for deletion/duplication (CNV) analysis sample failures?
  • What are the specimen requirements?
  • Does Invitae provide specimen collection kits?
  • What paperwork is required with each specimen?
  • Does Invitae accept DNA extracted in other laboratories?
  • Can you arrange a blood draw for my patient?
  • Do you accept post-mortem specimens?
  • Do you accept fetal specimens?
  • What is the difference between saliva and assisted saliva?
  • Are there any special instructions for saliva specimens?
  • Are there any special instructions for buccal swab specimens?
  • Are there any special instructions for assisted saliva specimens?
  • What is the minimum age requirement for a child to use the saliva kits?
  • How long does Invitae retain a specimen?
  • My patient has a hematologic malignancy. What are the limitations with testing?
  • My patient just had an MRI/CT with contrast, should we wait to draw their blood?
  • How many days after a blood transfusion can you draw a patient’s blood?
  • What does a low fetal fraction failure mean?
  • What does an elevated cell free DNA failure mean?
  • What does a “specimen does not meet quality metrics” failure mean?
  • What does a Multiple Copy Number Variants test failure mean?
  • What does it mean if there is a microdeletion failure on NIPS?
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