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:

Amyotrophic Lateral Sclerosis (Synonyms: ALS, SOD1, C9ORF72, Lou Gehrig Disease)

Test Includes:

Genes: SOD1, C9ORF72

Ordering Alert:

Ordering is Restricted:

Confirmation of Diagnosis¹ Clinical Genetics, Neurology

Presymptomatic Testing² Clinical Genetics

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

Collection Alert:

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

LABID (Connect Care):

LAB4181

Test Code:

CALGARY ZONE	MDLBL; IN MDL TEST NAME PROMPT ENTER NAME OF TEST OR STORE SAMPLE
EDMONTON ZONE	ALS; APPEND SPECIMEN TYPE
OTHER ZONES:	NOT SPECIFIED

Specimen Type:

Blood, Tissue, DNA, Other

Specimen Source:

Indicate a specimen source.

Primary Container:

Lavender top EDTA

Alternate Containers:

Microcollection EDTA
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 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.

Test Resources:

Pre-test Counselling Information-Genetic and GenomicTesting

All requests MUST be submitted on:

Molecular Genetics 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, Tissue, 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.

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:

Sequence Analysis and PCR

Method and Interpretation of Results:

Sequence Analysis for SOD1: Full gene sequencing
PCR for C9ORF72: Two PCR reactions to detect repeats in the 2 – 30 range and qualitative detection of expansions greater than 30 repeats

Routine Turn Around Time:

Routine: 6 to 8 weeks, Stat: 1 to 2 weeks

Reference Interval:

Interpretation provided on report.

Testing Area:

Molecular Genetics

Performing Site:

University of Alberta Hospital

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, September 20, 2021

Date of Last Review:

Aug 1 2022 12:00AM