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HelpTest Code LAB20273 Serum Integrated Screen Part II (Maternal Serum)
Department
Send Outs
Reference Lab Test Number
INTG2
Collection Requirements
Sample should be collected between 15 weeks 0 days and 22 weeks 6 days gestation. Completed Prenatal Information Sheet must accompany sample.
Warde Prenatal Information Sheet
Refer To
Primary Collection Container
Red (No Gel)
Alternate Collection Container
Gold (SST)
Transport
Serum refrigerated
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 tube
Stability
Room Temperature: 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), and Inhibin A Requires results from Serum Integrated Screen Part I (Maternal Serum). Screens for Down syndrome, neural tube defects (NTD) and Trisomy 18 Sample Normal Report Sample Abnormal Report