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Test Identifier Information

 
Registration CodeCTGN
Method

Blood is cultured for 2-4 days. Cells are harvested at the metaphase stage of the cell cycle when chromosomes are most condensed and visible by light microscopy . Microscopic analysis (karyotyping) is performed on GTL-banded chromosome preparations. 

Diagnostic Use / Indications

Detection of microscopically visible chromosome rearrangements (>5-10Mb). 

Balanced chromosome rearrangements such as translocations, inversions in couples with fertility issues.

Suspected sex chromosome aneuploidy eg. Turner syndrome Klinefelter syndrome, Triple X. 

Strongly suspected aneuploidy, eg. Trisomy 21. 

Confirmation of abnormal rapid FISH screen 

Family follow-up of known chromosome rearrangements previously detected by karyotyping

External Price$504.09(Exclusive of GST)
  

Specimen Collection

 
Specimen Collection Protocols

Whole blood is required for testing. Please DO NOT centrifuge blood tubes.

Patient SpecimenBlood 5 mL heparinised (T34) - whole blood sterile
Paediatric SpecimenBlood 1 mL heparinised (T34) - whole blood sterile
Sample Delivery to LabRoom temperature. DO NOT REFRIGERATE
  

CHLabs Laboratory

 
DepartmentHaematology - Cytogenetics
Contact Details Email Email
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Contact Phone Number03 364 1425
Test AvailabilityMon - Fri, business hours - urgent testing by arrangement
Turnaround TimeUrgent (neonate, pregnant) - 5 days, Non-urgent - 18 days
Reference Interval

Comment on report

Interpretation

Comment on report

Delphic Number Test Number3601

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