Specimen Requirements
Title
Quad Screen (Maternal Serum)
Specimen Requirement
Patient Preparation
Collect sample between 15 weeks 0 days and 22 weeks 6 days gestation.
Collect SST/1.0 mL serum, allow to clot for 30 minutes, centrifuge and send with Quad Screen Form.
A fully completed Quad Screen Form must accompany sample.
Methodology
Chemiluminescence
Stability
Room temp: 7 days, Refrigerated: 7 days, Frozen: 60 days
Reference Range
The reference range is determined by the performing laboratory and will show on the report.
Turnaround
1-3 days performed Monday, Wednesday-Friday
Clinical Use
Test Code
QUADW