|Test Code||AFPSM / MAFP-M|
|Test||AFP SINGLE MARKER SCRN, MATERNAL, SERUM|
|Methodology||Two-site Immunoenzymatic (Sandwich) Assay|
|Description||Useful for prenatal screening for open neural tube defect.|
|Specimen||Draw blood in a plain, red-top or serum gel tube. Spin down and send 1.0mL of maternal serum refrigerated in a plastic, screw capped vial.
2. Gestational age must be between 15 and 22 weeks for neural
|Reference Values||Neural Tube Defects
An AFP multiple of the median (MoM) < 2.5 is reported as screen negative. AFP MoMs>= 2.5 (singleton pregnancies) and >= 5.33 (twin gestation) are reported as screen positive.
An interpretive report will be provided.
|Analytic Time||1 Day|
|Day(s) Test Set Up||Monday through Saturday|