Posted Date
Effective Date
Update Type New Tests
CPT Code 84163
Order Code 1STT1
Referral Laboratory Mayo Medical Laboratories

First Trimester Maternal Screen


Effective June 2, 2020, MLabs will offer First Trimester Maternal Screen (1STT1) testing via Mayo Medical Laboratories.


Collection Instructions: Collect 3 mL of whole blood in a red top vacutainer. Centrifuge and aliquot the serum into a plastic vial within two hours of collection. Ship the specimen refrigerated (preferred) within 7 days, or freeze and ship within 90 days. 


Methodology: Immunoenzymatic Assay


Analytic Time: Mon- Fri, 1-3 days