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Laboratory: Genomics  (CYTOGENETICS)
Test Name:
MICROARRAY - (B)
Test Code: GENO
Clinical Information:
Description: Microarray testing is used to detect small gains or losses of chromosome material which are not detectable by conventional cytogenetic techniques.


Microarray testing can only be ordered by a Genetics Professional or developmental pediatrician.

 

Microarray testing for targeted 22q array testing may be ordered by a pediatric cardiologist or pediatric immunologists.

Collection Devices:
Specimen Required:
Blood: 4.0 mL
Pediatric Blood: 1.0 mL

Collection Information: For pediatric samples, 1.0 mL is the minimum required. 1.5-2.0 mL is preferred, in case repeat DNA extraction is required.

Specimen Stability:

Ambient: preferred

Referral:
Whole Blood: 4.0 mL
Pediatric Whole Blood: 1.0 mL

Shipping & Storage: Ambient temperature, no centrifugation.

Referred Out Location: GeneDx

Samples will be sent to GeneDx for testing as a backup to Shared Health microarray equipment downtime and/or as required at the discretion of the Genomics Medical Director.

Requisition:
Reference Values:
An interpretive report from the referral laboratory will be forwarded to the physician.
Availability:
Weekdays and Saturdays (M-Th, Sat: 0800h - 1600h; Fridays 0800h - 1715h). Closed Sundays and Statutory Holidays. Sample will be processed the next working day.
See Also:
More Information:
Once specimen is collected, the blood sample should be kept at room temperature and transported promptly.  For further information, please call 787-2489.
St. Boniface Hospital (SBH) patient samples are registered with test code GENO and are sent through the Biochemistry Lab.