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AFP Maternal Quad Serum Screen (Alpha Fetoprotein, hCG, Estriol, Inhibin A)
Q099
| Methodology: | Quantitative Chemiluminescent Immunoassay |
| Performed: | Sat-Sun |
| Reported: | 4-5 days |
| Specimen Required: | Patient Preparation: Specimen must be drawn between 14 weeks, 0 days and 24 weeks, 6 days gestation. The recommended time for maternal serum screening is 16 to 18 weeks gestation. Collect: Serum Separator Tube (SST) or Plain Red – 1 ml serum. Specimen Preparation: Separate from cells ASAP or within 2 hours of collection. Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Plasma. Hemolyzed specimens. 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 has had a previous pregnancy with a trisomy, 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 in vitro fertilization. Stability: After separation from cells: Ambient: 72 hours; Refrigerated: 2 weeks; Frozen: 1 year (Avoid repeated freeze/thaw cycles.) At Accu : Refrigerated: 1 week; Frozen: 2 weeks. Note: * This test is approved for all states. * Performing Lab ARUP Laboratories. |
| CPT Code(s): | 81511 |
| PDF Document: | MATERNAL SERUM TESTING PATIENT HISTORY FORM.pdf |