Laboratory Test Information Guide

Details for Zygosity (for medical indications ONLY)

Test Name: Zygosity (for medical indications ONLY)
Alternate Name(s):  
Laboratory: Molecular Diagnostics
Specimen Type: Whole blood-1 x 4 mL Lavender EDTA top Vacutainer tube
Collection Information: ONLY for medical indications.

Approval by Laboratory Director is required.

Blood samples must be maintained at room temperature.


If prior arrangements have been made with the lab, other tissue samples may be accepted for DNA extraction (i.e. CVS, amniotic fluid, skin etc.).
Test Schedule: As Required
Monday - Friday
0800 - 1630 h
Turnaround time from when specimen
is received in testing laboratory:
6 months
Reference Range: See report
Effective Date:  
Revised Date: 2021-05-14
Critical Value: N/A
Interpretive Comments: A series of polymorphic VNTR's are analyzed on two twins and assessed to dertermine if they are identical.
Special Processing:  
Comments: This test will be available for medical indications only usually to aid in linkage analysis or to clarify prenatal diagnosis and must be referred from the Genetics Clinic.

For more information click on:
Molecular Diagnostic Laboratory
Method of Analysis: PCR
Critical Information Required:  
Storage & Shipment: Must be received in testing laboratory within 5 days of collection, shipped at room temperature by courier/overnight delivery.
System Codes: 
Referred To:  

Questions? Comments? Contact Laura Gopaul