Screening test for open neural tube defects, Down syndrome and trisomy 18.
Collect 2nd draw between 15wks 0dys and 21wks 6dys (15.0 - 21.9 weeks)
There is no risk assessment after the first draw. A specimen for the Integrated 2 must be collected and the overall risks for Down syndrome, trisomy 18 and open spina bifida are provided after the testing of the second blood sample, using information from the part 1 and part 2.
Patient must have submitted a previous specimen in the first trimester for the Integrated 1 test. Gestational age will be based on crown rump length provided with the first trimester specimen.
Maternal serum specimens must be drawn prior to amniocentesis to avoid contamination with fetal blood.
Spin; pour off is not advised
Serum separator (SST) tube
Ambient (preferred) - 7 days
Refrigerated - 14 days
Frozen - 14 days
Gross hemolysis; gross lipemia; quantity not sufficient for analysis; improper specimen type
An interpretive report will be provided