Prenatal SNP Array with Limited Karyotype

Test Code:

CY0300

Synonym(s):

Specimen Container

Original syringe or Sterile tissue culture grade container, T-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 Peripheral blood from mother.
Sterile technique must be observed.

Specimen Storage / Transport

Store at room temperature and transport to laboratory as soon as possible.

Method

Orderable as STAT?

Turn Around Time

21 days

Reference Value(s)

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?

Yes

Downtime Form

Lab Cytogenetics

Additional Information

Consent required. Please fill up Consent forms for “Prenatal Chromosome Microarray Analysis” [85060-FM-MB-104] and “Karyotyping / Fluorescence In Situ Hybridisation (FISH) for Constitutional Genetic Testing” [85060-FM-MB-103].

= 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

Others

Keywords

Prenatal SNP Array with Limited Karyotype CY0300

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