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HelpTest Code LAB13289 Maternal Serum Alpha-Fetoprotein
Department
Send Outs
Reference Lab Test Number
MAFP1
Collection Requirements
Sample should be collected between 15 weeks 0 days and 22 weeks 6 days gestation. Completed Prenatal Screen Information Sheet located 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 vial.
Stability
Ambient: 7 days
Refrigerated: 7 days
Frozen: 60 days
Minimum Testing Volume
0.6 mL
Reference Range
By report
Methodology
Chemiluminescence
Performed
Monday, Wednesday, Thursday, and Friday
Reported
2-4 days
CPT Codes
82105
Unacceptable Conditions
Moderately hemolyzed, lipemic or icteric specimens, plasma
Additional Information
Includes: Alpha-Fetoprotein (AFP)
Screens for neural tube defects (NTD). May be requested as a follow-up to First Trimester Screen.