Test Details
Mnemonic
FI2NT
Ordering Code
3026000
CPT-4 Code(s)
81511 (or 82105, 82677, 84702, 86336)
Specimen Information
Patient Preparation
Collect sample between 15 weeks 0 days and 22 weeks 6 days gestation.
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum refrigerated in a screw capped plastic vial. A completed Prenatal Screen Information Sheet must accompany specimen.
Alternate Specimen
Serum separator tube (SST)
Minimum Volume
0.6 mL
Transport Temperature
Refrigerated
Rejection Criteria
Moderately hemolyzed specimens, lipemic specimens, plasma
Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 60 days
Refrigerated: 7 days
Frozen: 60 days
Methodology
Chemiluminescence
Reference Range
See report
Performing Laboratory
Warde Medical Laboratory