Glutamic Acid Decarboxylase Antibody, CSF
Abbrev Code: | GAD65C | ||
Order Code: | LAB5839 | Order Name: | Glutamic Acid Decarboxylase, CSF |
Synonyms: | GAD65; 65K Antibody; Beta Cell Antibody | ||
Methodology: | Immunoprecipitation assay | ||
CPT Codes: | 86341 x1 | ||
Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-6 days. | ||
Compliance: | This test was developed and its performance characteristics determined by Laboratory Medicine and Pathology, Mayo Clinic. This test has not been cleared by the U.S. Food and Drug Administration. |
Collection Instructions
Specimen: | CSF |
Optimal Volume: | 1.5 mL |
Minimum\Peds Volume: | 1 mL |
Container: | Sterile tube Alternate Containers: Plastic leakproof container, sterile |
Causes for Rejection: | Gross hemolysis, lipemia or icterus |
Processing and Shipping
Specimen Processing: | Centrifuge if RBC present. Aliquot 1 mL into standard transport tube. Store in refrigerator. |
Shipping Instructions: | Ship at refrigerated temperature. |
Stability: | 72 hours at room temperature; 28 days refrigerated or frozen. |
Test Performed at or Referral Lab | Lab Sendouts (Mayo) |
Referral Lab number: | GD65C |
Interpretive
Reference Range: | 0.02 nmol/L or less |
Use: | Possible use in evaluating patients with stiff-man syndrome, autoimmune cerebellitis and other acquired central nervous system disorders affecting gabaminergic neurotransmission. |
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