Alberta Precision Laboratories

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Organization:

Alberta Precision Laboratories

Message Alert:

PLEASE NOTE: This Test Directory is in an interim state and due to changes pertaining to the DynaLIFE transition, performing site for routing has not been updated. Please refer to Laboratory Information System for appropriate routing.

Test Name/Synonym:

Brugada Syndrome (Synonyms: SCN5A, BRGD)

Test Includes:

Genes: SCN5A

Ordering Alert:

Ordering is Restricted:

Confirmation of Diagnosis¹ Clinical Genetics, Medical Examiner Office

Predictive Genetic Testing² Clinical Genetics

¹patient has signs or symptoms of the disease/disorder
²patient does not presently have symptoms, positive family history of the condition

For prenatal testing please contact the laboratory for instructions prior to sample collection.

Collection Alert:

Unopened dedicated tubes (do not share) are required for Molecular Genetics testing.

LABID (Connect Care):

LAB4767

Test Code:

CALGARY ZONE	MDLBL; IN MDL TEST NAME FIELD ENTER CARDIAC GENE PANEL
CENTRAL ZONE	CGP
EDMONTON ZONE	CGP
NORTH ZONE	DNAM
OTHER ZONES	NOT SPECIFIED

Specimen Type:

Blood, Tissue, Swab, DNA, Amniotic Fluid, Other

Specimen Source:

Indicate a specimen source

Primary Container:

Lavender top EDTA

Alternate Containers:

Microcollection EDTA
Sterile polypropylene centrifuge tube
DNA tube
Sterile container

Minimum Collection Volume:

See Specimen Collection Requirements

Specimen Collection Requirements:

For Blood Specimen (peripheral or cord blood)
EDTA tubes should be completely full, 2/3 full at minimum, testing may be affected by partial draw

For Patients over 20 kg: 2 EDTA tubes each containing 3.0 mL of blood
For Patients up to 20 kg: 2 EDTA tubes each containing 2.0 mL of blood
For Neonates: 1 EDTA containing a minimum of 0.5 mL of blood

For Postnatal (cord blood)

A maternal blood sample must be collected for maternal cell contamination studies.

For Prenatal Specimens (chorionic villi or amniotic fluid)

For Chorionic Villi specimens: 15 mg
For Amniotic Fluid specimens: 25 mL
Submit in a sterile polypropylene centrifuge tube or in a plain sterile tube with screw cap.
A maternal blood sample must be collected for maternal cell contamination studies.

For Other Tissue Specimens

For Fresh or Frozen Tissue specimens: Submit a minimum of 20 mg in a sterile container with NO fixative.

For Extracted DNA

Submit 10ug @ >100ng/uL.

For Buccal Swab Specimens

Collect 4 buccal brushes.

Test Resources:

Arrhythmia Gene Panels: Information for Ordering Providers

Pre-test Counselling Information-Genetic and Genomic Testing

Submit requests using requisition or Connect Care online order entry:

Molecular Genetics Laboratory Cardiac, Connective Tissue and Vascular NGS Requisition

Please ensure all required information, including patient's clinical history/indication, is provided on the requisition.

Stability and Storage:

Room temperature: For all specimen types (except frozen tissue) if being shipped on same day of collection (preferred).
Refrigerated: If shipping is delayed.
Frozen: Frozen tissue specimens at -20^oC to -80^oC.

Processing:

Do not centrifuge or aliquot specimens.

Transportation:

Transport all specimen types (except frozen tissue) at room temperature.
Specimens must not freeze in transit.

Transport frozen tissue specimens with adequate amounts of dry ice to keep specimen frozen.
Specimens must not thaw in transport.

Specimens, should be received by the Molecular Genetics Laboratory:

Within 5 days of date of collection for Blood and Extracted DNA specimens.
Within 24 hours of date of collection for Amniotic Fluid, Chorionic Villi and Tissue specimen types.
And must include the original paper requisition and accompanying documentation

Transport specimens (except extracted DNA) to Molecular Genetics Laboratory via UAH Specimen Control WMC 4B2.10.
For Extracted DNA samples only, transport specimens to Molecular Genetics Laboratory via UAH Shipping Receiving, UNIVERSITY OF ALBERTA HOSPITAL, 8440 112 STREET, Room: 8-26 MSB, EDMONTON, T6G 2B7

Blood, Amniotic Fluid, Tissue, Buccal Swab, and Extracted DNA specimens

Are received Mon – Fri: 07:30 to 15:00.
If received after 15:00, will be processed on the next working day.

Chorionic Villi specimens

Are received Mon – Thurs: 07:30 to 15:00.
Cannot be received on Fridays.

If Amnio and CVS specimens are sent from outside of Edmonton for testing in Molecular Genetics North, please call the laboratory at 780-407-1542 or fax shipping information to 780-407-3059 to inform the lab of expected arrival times and mode of transport.
If Tissue specimens are sent from outside of Edmonton for testing in Molecular Genetics North, please call the laboratory at 780-407-1434 or fax shipping information to 780-407-1761 to inform the lab of expected arrival times and mode of transport.

Method:

Next Generation Sequencing

Method and Interpretation of Results:

Genomic DNA is analyzed using next generation sequencing technology (NGS). NGS detects nucleotide substitutions, small insertions and deletions, and copy number variants. If a variant is clinically relevant or of uncertain significance and does not meet our validated analytic requirements it is confirmed by an appropriate molecular method. Sanger sequencing is used to analyze regions which do not meet requirements for depth of sequence coverage..

Routine Turn Around Time:

Routine: up to 16 weeks, Stat: 4 weeks

Reference Interval:

Interpretation provided on report..

Testing Area:

Molecular Genetics

Performing Site:

University of Alberta Hospital.

Additional Test Information:

To obtain buccal swab collection kits, contact:

Molecular Genetics North

780-407-1434

Contact Comments:

For additional information refer to Genetics and Genomics webpage or contact:
Molecular Genetics North: 780-407-1434 (phone), 780-407-1761 (fax)

Last Updated On:

Monday, August 9, 2021