Zygosity Determination by STR or SNP Genotyping
11 days
DNA analysis by PCR. This test was developed and the performance characteristics were determined by LabCorp. This test has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance is not necessary.
Accredited Laboratory Partner
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Genetic test to determine if twins are identical or fraternal.
Buccal swabs or Whole Blood other samples such as amniotic fluid cultured cells and tissue specimens may be used
3 mL Whole blood or four buccal swabs, other tissue as available.
Lavender-top (EDTA) tube or four buccal swabs in a sealed envelope (buccal swab kit). Amniotic fluid and tissues in appropriate transport container.
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
When submitting buccal swabs, please us a buccal swab kit provided by LabCorp. Contact Technical Support for special instructions.
| Temperature | Period |
|---|---|
| Room temperature | Contact Technical Support |