GAD65, IA-2, and Insulin Autoantibody

Message

Enter all applicable fields:
Test Name:
GAD65, IA-2, and Insulin Autoantibody
Reference Lab: QNI
Test Code:
10584
Shipping Temp: Refrigerated: 7 days
Specimen Type: 2 mL serum
TAT:
CPT Code:
86337, 86341 (x2)
Cost:
Additional Comments: _
FDA Approved Test: YES_ NO_ LDT_
Medical Director/Pathologist: approved by
Billing Completed by_ Date_ Time_




Test Code
QNI FLEXI 10584


Quest Code
10584


CPT Codes
86337, 86341 (x2)

Includes
Glutamic Acid Decarboxylase-65 Antibody
IA-2 Antibody
Insulin Autoantibody


Preferred Specimen
2 mL serum


Minimum Volume
0.4 mL


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 30 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic


Methodology
Enzyme Linked Immunosorbent Assay (ELISA) • Radiobinding Assay (RBA)

Setup Schedule
See individual assays


Limitations
GAD-65 antibodies are detected in 20% of diabetic twins who remain disease-free for long periods of time and in 8% of healthy individuals.


Reference Range
GAD-65 Antibody  <5 IU/mL 
IA-2 Antibody  <5.4 U/mL 
Insulin Autoantibody  <0.4 U/mL 


Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042



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.