Genzyme Genetics requires a maternal blood sample to conduct maternal cell contamination testing in conjunction with all prenatal molecular testing. Both amniotic fluid and CVS may have maternal cells present in the sample. These do not usually interfere with the accuracy of chromosome analysis, but are well-recognized as a potential source of error in molecular diagnosis. Genzyme Genetics requires a maternal sample in order to provide maximal accuracy in prenatal molecular testing conducted in our laboratory.
CPT Codes:
83891(1), 83900(1), 83901(4), 83912(1), 83909(2), Maternal Cell Contamination Analysis for Mother & Fetus: 83891(1), 83900(2), 83901(14), 83909(2), 83912(1)
Specimen Requirements:
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Blood:
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Please Note: All prenatal specimens (including PUBS) should be accompanied by maternal blood specimen.
- Adult: 20 ml whole blood in ACD-A (yellow-top) or EDTA (lavender-top) tube.
- Turnaround Time:
7-10 days
- Mouthwash:
- Please Note: Patient should not eat, drink, smoke or chew gum for at least one hour prior to collection. (See specimen kit for detailed instructions).
- 10 ml of Scope® mouthwash that has been swished vigorously for at least 1 minute.
- Collect in orange-top 50 ml polypropylene tube.
Client Services:
Reproductive/Genetics
800-848-4436
Specimen Services/Pickup:
877-246-1226
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