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Test Code LAB10720 Quad Screen (Maternal Serum)

Department

Send Outs

Reference Lab Test Number

QUAD1

Collection Requirements

Sample should be collected between 15 weeks 0 days and 22 weeks 6 days gestation. Completed Prenatal Screen Information Sheet must accompany sample.
Warde Prenatal Information Sheet

Refer To

Warde Medical Laboratory

Primary Collection Container

Red (No Gel)

Alternate Collection Container

Gold (SST)

Transport

Serum Refrigeraged

Preferred Transport Temperature

Refrigerated

Processing

Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum in a screw-capped plastic vial.

Stability

Ambient: 7 days

Refrigerated: 7 days

Frozen: 60 days

Minimum Testing Volume

0.6 mL

Reference Range

See report

Methodology

Chemiluminescence

Performed

Monday, Wednesday, Thursday, and Friday

Reported

2-4 days

CPT Codes

81511 (or 82105, 82677, 84702, 86336)

Unacceptable Conditions

Moderately hemolyzed, lipemic or icteric specimens; plasma

Additional Information

Includes: Alpha-fetoprotein (AFP) Human Chorionic Gonadotropin (hCG) Unconjugated Estriol (UE3) Inhibin A Prenatal Screen Information Sheet