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

Methodology

Chemiluminescence
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Reference Range

See report
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Performing Laboratory

Warde Medical Laboratory
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