Northwest LaboratoryPathology is now Avero Diagnostics.


Results Per Page

Test Menu

Test Menu

Prenatal Screen

Aneuploidy screening for chromosomes 13, 18, 21, X, and Y

Avero Carrier Test Genetics

Test Code


Specimen Type

Whole blood specimens accepted; one 10 mL Streck tube


  1. Complete the test requisition form (provided separately). Gestational age must be 10 weeks or later.
  2. Peel off label from the test requisition and label tube with patient’s name and date of birth. Failure to provide two patient identifiers will prevent or delay testing.
  3. Following standard venipuncture protocol, use the supplied 10 mL Streck tube to collect a minimum of 7 mL whole blood. Failure to collect at least 7 mL of blood may result in test cancellation.
  4. Gently invert tube 8 – 10 times to ensure proper mixing of the preservative.
  5. Put the sample in the specimen bag with the absorbent sleeve and seal the bag.
  6. Insert completed test requisition form into outer pocket of specimen bag.


5 days ambient. Do not refrigerate.
Store at room temperature 65 – 86°F (18 – 30°C).

Turn Around Time

7 - 10 days

Download the requisition.