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GAD65 Autoantibody Test (ARPD)
Test Code94198
CPT Codes
83516<br /> Limited Access Code
Physician Attestation of Informed Consent
This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, NY, OR, SD or VT or test is performed in MA.
Preferred Specimen
2 mL serum
Minimum Volume
0.5 mL
Instructions
Serum must be separated from whole blood within 48 hours of collection.
Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 4 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis; Lipemic; Turbid; Bacterial contamination
Methodology
Enzyme-Linked Immunosorbent Assay (ELISA)
Setup Schedule
Set up: Mon, Wed, Fri; Report available: 7-10 days
Clinical Significance
Detection of anti-GAD65 antibodies associated with Autoimmune Rapidly Progressive Dementia.
