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Test Name

Voltage-Gated Potassium Channel (VGKC) Antibody, CSF

CPT Code(s)

83519

Methodology

Radioimmunoassay (RIA)

Reference Range(s)

<20 pmol/L

Clinical Significance

VGKC antibody may be detected in acquired neuromyotonia, Morvan’s syndrome, autoimmune limbic encephalitis, autonomic dysfunction, peripheral nerve hyperexcitability, chronic idiopathic pain, and in SIADH.

Alternative Name(s)

VGKC Antibody,V-Gated K+ Channel Antibody

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Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided 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 payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

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Voltage-Gated Potassium Channel (VGKC) Antibody, CSF
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