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MAG Autoantibody Test
Test Code92850
CPT Codes
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
Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 1 year
Refrigerated: 28 days
Frozen: 1 year
Methodology
Western Blot, Enzyme-Linked Immunosorbent Assay (ELISA)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Athena Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon, Wed; Report available: 7-10 days
Clinical Significance
Anti-MAG antibodies are usually found in patients with a chronic, distal, symmetric peripheral neuropathy and either sensory or mixed sensory and motor symptoms.