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Integrated Screen, Part 1
Test Code16148
CPT Codes
Refer to Maternal Serum Integrated Screen, Part 2 (test code 16150)<br /> **For New York State patient testing, use code 16976**<br /> **This test is not available for California patient testing**
Includes
This test will be reported and billed with Maternal Serum Integrated Screen, Part 2 results.
Preferred Specimen
1.5 mL serum
Minimum Volume
0.8 mL
Instructions
Perform between 9.0 weeks and 13.9 weeks gestational age.
A special Maternal Serum Screen requisition, designed to obtain patient data and the patient's informed consent, must be used when ordering this test, because these results are influenced by certain patient characteristics. All data requested on the requisition form must be completed to permit accurate interpretation of results.
A special Maternal Serum Screen requisition, designed to obtain patient data and the patient's informed consent, must be used when ordering this test, because these results are influenced by certain patient characteristics. All data requested on the requisition form must be completed to permit accurate interpretation of results.
Transport Container
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 28 days
Refrigerated: 14 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Lipemia • Moderate to gross hemolysis
Methodology
Chemiluminescence (CL) • Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat.; Report available: 2 days
Limitations
Refer to Integrated Screen, Part 2 (test code 16150).
Reference Range
See Laboratory Report
Clinical Significance
To assess maternal risk for carrying a fetus with Down Syndrome (Trisomy 21), Trisomy 18, or a neural tube defect. These types of tests are standard-of-care in obstetrics.
