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Maternal Cell Contamination

CPT Code(s):  81265

Service Code (IU Health): 53025466

Ordering Recommendation: Information about maternal cell contamination should be used in conjunction with molecular and/or cytogenetic fetal testing.

Synonyms: MCC, short tandem repeats, fetal testing

Methodology: Multiplex PCR and fragment analysis by capillary electrophoresis.

Performed: Monday through Friday

Reported: 6-9 days

Specimen Requirements

Collect: Fetal specimens plus maternal blood.

Specimen Volume: 2-6 mL maternal whole blood in a purple-top (EDTA) tube, and 20 mL amniotic fluid in sterile centrifuge tubes or 20 mg dissected chorionic villi in CVS collecting media.

Unacceptable Conditions: Grossly hemolyzed or clotted.

Stability: Two weeks refrigerated; One month frozen