Prenatal SNP Array with Limited Karyotype

CY0300

Synonym(s):
Specimen Container
Original syringe or Sterile tissue culture grade container, EDTA tube
Specimen Requirement
1. Amniotic Fluid (AF)
= GA < 16 weeks: 30ml (No direct extraction. Sample will be cultured)
= GA > 16 weeks: 30ml (10ml taken using 10ml syringe for direct extraction)
 
2. 3ml Whole blood EDTA tube from mother.
Sterile technique must be observed.
Specimen Storage/Transport
Store at room temperature and transport to laboratory as soon as possible.
Orderable as Urgent? No
Turn Around Time
21 days
Testing Laboratory Location KKH
Laboratory Cytogenetics
Contact Number 6394 1392
Day and Time Performed
Mon – Fri: By appointment. For KKH, appointment to be made with ADC
Orderable on CPOE? No
Downtime Form

Lab Cytogenetics

Additional Information
 
= AF specimens cultured beyond 3 weeks old may yield uninterpretable results.
= Suboptimal specimens likely to cause longer Turn Around Times

- AF sample collected <16 weeks (tiny pellet) or > 26 weeks
- AF sample <15ml volume
- Bloody or discoloured AF sample

Change History Notes

  • 05 Mar 2024 12:00 AM

    ​​Updated Consent Forms and Orderable.


  • 05 Jan 2023 12:00 AM

    ​Updated Specimen Container, Specimen Requirement.

  • 29 Oct 2021 12:00 AM

    ​Updated Downtime Form and Consent Forms.

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Last Updated - 05 Apr 2025