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1St Trimester, hCG
Test CodeLAB3831
CPT Codes
84163, 84702, 81508
Includes
PAPP-A (Pregnancy-associated Plasma Protein-A), hCG, Maternal Risk calculation which includes NT (Nuchal Translucency)
Preferred Specimen
Red no-additive no-gel
Minimum Volume
0.8 mL
Instructions
Collect between 10.0 weeks to 13.9 (13 6/7) weeks. Perform between 10.0 to 13.9 (13 6/7) 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 complete to permit accurate interpretation of results.
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Calculation (CALC) • Chemiluminescence (CL) • Immunoassay (IA)
