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Microarray, Perinatal samples
Alternative Names/Synonyms
SNP Microarray, SNP, Chromosomal Microarray Analysis, CMA, Genomic Microarray
Laboratory
Diagnostic Medical Genetics
Sub-section
Cytogenetics
Specimen Type
Fresh Unfixed Tissue
Test Code
SNPAR
Ordering Instructions, Requisition
https://www.sinaihealth.ca/media/17581/download?inline
Supporting Documents
Other Information
If sending from outside of the hospital: Email the lab at cytogeneticslab.MSH@sinaihealth.ca with courier name and courier tracking #
Clinical Significance
CNV detection for perinatal diagnostics
Microduplication/deletion syndrome
Specimen Requirements (Sample Type)
Fetal cartilage, fetal skin, fetal umbilical cord, products of conception, villi, or membranes
Specimen Requirements (Volume (mL))
Umbilical cord: 1 cm piece;
skin ,cartilage: 0 .5 cm x 0 .5 cm piece;
POC/villi: 25 mg
Specimen Requirements (Tube Type)
Sterile Container
Collection Containers
Collection Requirements
Sterile transport media or saline;
3 to 5 mL of maternal blood in EDTA (lavender) tube must accompany all POC specimens
(for MCC Testing)
Storage / Shipment Details
Do not expose to heat
Sample Stability
Send to lab immediately
Cause for Rejection
Specimen Acceptability and Transport Guidance
Instrument, Methodology
SNP Microarray Infinium CytoSNP850K
Test Availability
Routine; Monday to Friday
Routine Turnaround Time
42 days
Laboratory Contact Information
cytogeneticslab.MSH@sinaihealth.ca
Billing Information
Associated costs will be billed back to the institution
Sample Processing / Delivery
SAMPLE MUST BE RECEIVED FRESH (without formalin fixative)
Funded for patients with OHIP
Yes