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Glutamic Acid Decarboxylase Antibody

Test Code
GAD65


Alias/See Also


GAD65 Antibody, Glutamic Acid Decarboxylase 65 Antibody, Beta Cell Autoantibody to GAD 65




CPT Codes
83516

Preferred Specimen
2.0 mL of whole blood (1.0 mL of serum)


Minimum Volume
1.0 mL of whole blood (0.5 mL of serum)


Transport Container
Serum Separator (gold top)


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: 24 hours
Refrigerated: 1 week
Frozen: 3 months


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, plasma


Methodology
Quantitative Enzyme-Linked Immunosorbent Assay

Setup Schedule
Sunday through Friday


Report Available
1-3 days upon receipt at ARUP Laboratories


Reference Range
0.0 to 5.0 IU/mL


Performing Laboratory
ARUP Laboratories



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.