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Test ID:
GADAB S
Glutamic Acid Decarboxylase (GAD65) Antibodies, Serum
Test Overview
Clinical Utility
GAD65 antibodies are associated with systemic autoimmune diseases, including type 1 diabetes mellitus, thyroiditis and pernicious anemia. At high levels, they may be associated with neurological autoimmunity.
Method
Enzyme-linked immunosorbent assay (ELISA)
Analytical Platform
Euroimmun Analyzer I
Result Included
Glutamic Acid Decarboxylase (GAD65) Antibodies
Aliases/Synonyms
Anti-GAD65; Anti GAD; AGAD; Glutamic Acid Decarboxylase-65 Antibodies
Specimen
Specimen Type
SerumContainers
Preferred Containers
Gold top (clot activator & gel)
Acceptable Containers
Red top (no additive)
Volume
Sample Volume
1 mL
Minimum Volume
0.5 mL
Collection & Handling
Handling Information
Store and send cold or frozen.
Stability
| Ambient | Refrigerated | Frozen |
|---|---|---|
| 7 days | 14 days | 30 days |
Freezing and thawing may lead to a loss of activity
Rejection Criteria
| Criteria | Specification |
|---|---|
| Hemolysis | Present |
| Lipemia | Present |
| Specimen | Plasma |
Performance & Interpretation
Turnaround Time
7 days
Results
Name
Units
Reference Range
Conversion
-
Anti-GAD65IU/mL≤ 5
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| GADAB S | Anti-GAD65 Elisa,Serum | 63508 | IU/mL |
Test Version
Last Updated
2024-07-25