Alpha Fetoprotein, hCG, Estriol, & Inhibin A (Maternal Serum Screen) AFPQD

Method(s) Quantitative Chemiluminescent Immunoassay
Specimen Required
Collect One 5 mL gold (SST) or one plain red top tube.
Transport 3 mL serum at 2-8ºC. (Min: 1 mL)
Remarks Specimen must be drawn between 14 weeks, 0 days and 24 weeks, 6 days gestation. Specimen should not be collected before 14 weeks and after 25 weeks gestation.
Stability Ambient: 24 hours; Refrigerated: 1 week; Frozen: 1 year
Unacceptable Conditions

Severely hemolyzed specimens, plasma and specimens exposed to repeated freeze/thaw cycles.

Schedule Daily
Billing Code 5011419
CPTCode 81511
Notes

This test requires a signed Patient Consent Form (Maternal Serum Screen Requisition).

Preferred Specimen Collection Device(s)
Reference Interval

By report: includes AFP, hCG, Estriol, and Inhibin A. Intervals are based upon weeks of gestation.

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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