Test Details
Mnemonic
INTG1
Ordering Code
3000353
CPT-4 Code(s)
84163
Specimen Information
Patient Preparation
Collect sample between 10 weeks 0 days and 13 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 in a
screw capped plastic vial. Prenatal Screening information required at Order Entry. Please send
completed Prenatal Screen Information sheet with each specimen if unable to transmit required
responses.
screw capped plastic vial. Prenatal Screening information required at Order Entry. Please send
completed Prenatal Screen Information sheet with each specimen if unable to transmit required
responses.
Alternate Specimen
Serum separator tube (SST)
Minimum Volume
0.6 mL
Transport Temperature
Refrigerated
Rejection Criteria
Moderately hemolyzed, lipemic or icteric specimens; plasma
Stability
Room temperature: 5 days
Refrigerated: 7 days
Frozen: 120 days
Refrigerated: 7 days
Frozen: 120 days
Methodology
Chemiluminescence
Reference Range
See report
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes