Important Note

Second-trimester screening test for open neural tube defects. Order this test for PREGNANT FEMALE patients only. For males or non-pregnant females, refer to Alpha Fetoprotein, Serum (Tumor Marker)

Submit with Order: Patient's date of birth, current weight, due date, dating method (US, LMP), number of fetuses present, patient's race, if the patient was diabetic at the time of conception, if there is a known family history of neural tube defects, if the patient is currently smoking, if the patient is taking valproic acid or carbamazepine (Tegretol), if this is a repeat sample, and the age of the egg donor if an in vitro fertilization.