FISH - Metaphase add-on | KK Women's and Children's Hospital

Specimen Container	Depend on specimen type
Specimen Requirement	a) This code is used to add-on FISH to a previously sent specimen. b) Call lab to check that the specimen is still available.
Specimen Storage/Transport	Store at room temperature and transport to laboratory as soon as possible.
Orderable as Urgent?	No
Turn Around Time	Add 3 days to TAT for karyotyping
Testing Laboratory Location	KKH
Laboratory	Cytogenetics
Contact Number	6394 1392
Day and Time Performed	When required
Orderable on CPOE?	Yes
Downtime Form	LAB Cytogenetics
Additional Information	Consent required. Please fill up “Karyotyping / Fluorescence In Situ Hybridisation (FISH) for Constitutional Genetic Testing” [85060-FM-MB-103]. Please see available probe below: DiGeorge Region Probe (TUPLE1/HIRA) Williams Region probe (ELN) PWS/AS Region probe (SNRPN) Wolf Hirschhorn Region Probe (WHS) Cri-du-Chat Region Probe (5p15.2/D5S23/D5S721) 22q13 Deletion Probe (ARSA) LSI 13 (13q14/RB1) LSI 21 (21q22.13q22.2/D21S342) Centromeric 18 Probe Centromeric X and Y probe (CEP X,Y) SRY Probe Others, please contact lab and indicate probe in Clinical Diagnosis

Change History Notes

15 Sep 2025 01:08 PM

Update additional information probe list and downtime form
05 Mar 2024 12:00 AM

Updated Consent Form.
04 Jan 2023 12:00 AM

Updated Additional Information.
29 Oct 2021 12:00 AM

Updated Downtime Form and Consent Form.

Last Updated - 15 Sep 2025