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Test Code GAD ICA GAD65 + ICA512 Autoantibodies

Clinical System Name

GAD65 + ICA512 Autoantibodies


Glutamic Acid Decarboxylase
IA2 antibodies

Sample Requirements

Specimen: Whole Blood

Container(s): Gold SST or Red

Preferred Vol: 4.0 mL

Minimum Vol: 1 mL


Note: This test can share a sample with Insulin Antibodies (INSUL AB)

Processing Instructions

Reject due to:  

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage location: Spin blood, refrigerate 0.5 - 2.0 mL serum in a plastic tube affixed with a large computer label in the CPA refrigerated send-outs rack.


Off-site collection: Spin, aliquot and refrigerate serum. Transport refrigerated.



Specimen Type Temperature Time
Serum Room temp


  Refrigerated 1 - 2 m
  Frozen 1 - 2 y



STAT Performed TAT
N Collected daily 4 - 7 d


Performing Laboratory

University of Colorado



Barbara Davis Center

1775 Aurora Ct M20-4201E
Aurora, CO 80045

Phone Number: 303-724-6809



Reference Range


  Normal Elevated
GAD65 <20 >25
IA-2 <5 >7



Method: None None specified

Analytical Volume: None specified


Send Out Instructions


Reference Test Name: GAD Autoantibodies (GAA) and ICA512 Autoantibodies
Reference Test Number: None specified
Instructions: Ship on a cold pack overnight via FedEx .