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Test Code GAD Antibodies against Glutamic Acid Decarboxylase (GAD)

Specimen Requirements

Specimen Type: Serum
Container/Tube: Red Top
Volume: 6.0mL
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours

Sample Stability

** Preferred temperatures for storage prior to and during shipping to NUH **

 

Specimen Type: 

Serum

Ambient: 

1 day

Refrigerate: 

2 weeks

Frozen: 

3 months

 

Reference Interval

No antibody detected:  < 10 IU/mL

Antibody detected:   ≥ 10 IU/mL   

Days and Times Performed

Alternate Fridays, TAT 2-15 days

Methodology

Enzyme-linked Immunosorbent Assay (ELISA)

Service Code

0031207

Update

Last updated 26/02/2022

 

Unacceptable Condition

 

Haemolysis: 

Gross reject
Icterus: NA
Lipaemic: NA

Others: 

NA

 

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Autoantibodies to pancreatic beta cell antigens are important serological markers of type 1 diabetes mellitus. 

Alias

Anti-GAD Antibodies, Anti-Glutamic Acid Decarboxylase Ab,Glutamate Decarboxylase Antibodies (GAD65), Anti-Glutamic Acid Decarboxylase (GAD)