Maternal Serum Screen, Alpha Fetoprotein MSSAFP

Method(s) Quantitative Chemiluminescent Immunoassay
Specimen Required
Collect

One 5 mL gold (SST) or plain red top tube.

Transport

Separate from cells ASAP or within 2 hours of collection. Transfer1 mL serum refrigerated to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Remarks

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), and if this is a repeat sample.

Stability

Collection to initiation of testing: After separation from cells: Ambient: 72 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles).

Unacceptable Conditions

Plasma. Hemolyzed specimens.

Schedule Daily
Billing Code 5011814
CPTCode 82105
Notes See attached required requisition and patient consent. Patient Prep: Specimen must be drawn between 14 weeks, 0 days and 24 weeks, 6 days gestation.
Preferred Specimen Collection Device(s)
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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