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Stepwise, Part 1
Test Code16463
CPT Codes
81508<br><strong>This test code is for non-New York patient testing. For New York patient testing, use test code 16464.</strong><br><strong>This test is not available for California patient testing.</strong>
Includes
PAPP-A, hCG
Preferred Specimen
1.5 mL serum
Minimum Volume
0.8 mL
Instructions
Collect between 10.0 weeks to 13 6/7 weeks. Must complete all patient demographic information using the appropriate questions from the entry fields in the regular requisition.
Transport Container
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 45 days
Refrigerated: 14 days
Frozen: 45 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Chemiluminescence (CL) • Immunoassay (IA)
FDA Status
PAPP-A: This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.
Setup Schedule
Set up: Mon-Sat; Report available: 4-6 days
Reference Range
See Laboratory Report
