|Values are valid only on day of printing.|
Prenatal screening for Down syndrome and trisomy 18
Prenatal screening for neural tube defects: (this is only applicable to Part 2 [second trimester] of the test)
-Part 2 (second trimester): alpha-fetoprotein
See Sequential Maternal Serum Screening Testing Process in Special Instructions.
Two-Site Immunoenzymatic (Sandwich) Assay