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Stepwise, Part 1 (NY)
Test Code16464
CPT Codes
81508<br><strong>This test code is for New York patient testing. For non-New York patient testing, use test code 16463.</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
Transport tube
Transport Temperature
Refrigerated (cold packs)
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?)
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
MSS Down Syndrome Risk | <1:50 |
Risk For Trisomy 18 | <1:100 |
Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
33608 Ortega Highway |
San Juan Capistrano, CA 92675-2042 |