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First Trimester Screen, hCG
84163, 84702 or 81508*
*The 2016 AMA CPT codebook contains the component CPT codes and the new MAAA codeset. Please direct any questions regarding coding to the payor being billed.
PAPP-A (Pregnancy-associated Plasma Protein-A), hCG, Maternal Risk calculation which includes NT (Nuchal Translucency)
Calculation (CALC) • Chemiluminescence (CL) • Immunoassay (IA)
First Trimester Screen results consistent with increased risk of trisomy should be confirmed with CVS or amniotic fluid specimen. Maternal serum screening yields a low percentage of false negatives. A wide range of other chromosomal abnormalities are not identified by maternal serum screening.
To screen for Down Syndrome and Trisomy 18 at 10.0-13.9 weeks gestation.
Human Chorionic Gonadotropin (hCG),Nuchal Translucency (NT),Down Syndrome,Trisomy 18 Screen,MSS, 1st Trimester
To view specimen requirements and codes please Select a regional laboratory.
Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
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.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.