Demyelinating Neuropathy Panel

Test Code

12721

CPT Codes
83520 (x10), 84182 (x4)<br>Limited Access Code

Preferred Specimen

5 mL serum

Minimum Volume

3 mL

Instructions

LAB IS NOT OPEN WEEKENDS OR HOLIDAYS!
Label Specimen tube with 2 forms of patient ID

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Missing information • Leakage • Not properly labeled

Methodology
Western Blot • Immunohistochemistry • Enzyme-Linked Immunosorbent Assay (ELISA)

FDA Status
These tests were developed, and their performance characteristics determined, by the Washington University Neuromuscular Laboratory. They have not been cleared or approved by the US Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. These tests are used for clinical purposes. They should not be regarded as investigational or for research. This laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA-88) as qualified to perform high complexity clinical laboratory testing.

Setup Schedule

Set up: Varies; Report available: 14-28 days

Reference Range

See Laboratory Report

Clinical Significance

Demyelinating Neuropathy

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.