Alberta Precision Laboratories

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Organization:

Alberta Precision Laboratories

Message Alert:

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Test Name/Synonym:

Anti-Glutamic Acid Decarboxylase (Synonym: Anti GAD, Anti-Islet Cell Antibodies, Pancreatic Islet Cell Antibody, GAD65, GAD65 Antibodies, Glutamic Acid Decarboxylase)

Clinical Indications:

May be useful when it is difficult to distinguish Type 1 from Type 2 diabetes
Aids in the diagnosis of Stiffman Syndrome or other neurological disorders

Ordering Alert:

This test is only performed if specimens meet one of these criteria:

The patient has a history of abnormal diabetes markers such as HbA1 and glucose.

It is ordered by a neurologist or rheumatologist.

LABID (Connect Care):

LAB517

Test Code:

CALGARY ZONE	AGAD
CENTRAL ZONE	GADAB
NORTH ZONE	GADAB
SOUTH ZONE	GADAB

Specimen Type:

Blood

Primary Container:

GOLD SST

Minimum Collection Volume:

0.6 mL serum

Test Resources:

General Laboratory Requisition – 21302 – write test name under “Additional Tests”

Processing:

Centrifuge, aliquot, and freeze serum immediately.

Transportation:

Transport frozen

Testing Schedule:

Batched - test performed within 2 weeks of receipt

Reference Interval:

Negative: Less than 5.0 U/mL

Testing Area:

Biochemistry

Performing Site:

Edmonton: University of Alberta Hospital

Additional Test Information:

This test is performed by Edmonton Special Chemistry

Last Updated On:

Friday, May 21, 2021