General Information

UPHSM LIS Test #: 5698
Schedule: Daily
Testing Time: 3 days
Testing Lab: Labcorp

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 5.0 (3.0) mL Serum
Temperature: Ambient
Tube Type: 1 Gel-barrier tube
Collection Info:
Avoid hemolysis. Centrifuge to separate serum. Send complete specimen in the original tube. Do NOT pour off. Maintain specimen at room temperature.
Patient must have submitted a previous specimen in the first trimester for the Maternal Serum Integrated Screening Test Part 1.  Gestational age will be based on information provided with the first trimester specimen. Patient information may be provided to the laboratory using the Integrated Serum Form.
Testing provided from 15.0 to 21.9 weeks of gestation.


Chemiluminescent immunoassay (CLIA)

Clinical Utilities

Screening test for open neural tube defects, Down syndrome, and trisomy 18.
Serum integrated screening requires two specimens: one collected in the first trimester and one in the second trimester. This test is for the second trimester portion of the test.  This is a screening test.  A positive results means that diagnostic testing may be offered to the pregnant woman to determine if a neural tube defect or chromosome abnormality is present.

CPT Codes

82105, 82677, 84702, 86336

* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Reference Range

Result interpretation will be provided.