VGKC (Voltage Gated Potassium Channel) Antibody CSF Test
Short Name: VGKC Antibody CSF Test
Also known as: VGKC Antibody Test, Voltage Gated Potassium Channel Antibody CSF Test
VGKC (Voltage Gated Potassium Channel) Antibody CSF Test test available at DNA Labs India for ₹10,000. Uses Cell Based Assay, Immunofluorescence Assay (IFA) on Cerebrospinal Fluid (CSF) samples. Results in Same day report. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Pasupathy Arumugam
Consultant Pathologist · Reg: 21521
Last reviewed: September 7, 2026
Overview
To diagnose autoimmune neurological disorders such as limbic encephalitis, Morvan's syndrome, acquired neuromyotonia, autonomic dysfunction, epilepsy, and cramp-fasciculation syndrome by detecting VGKC antibodies in cerebrospinal fluid.
- Test Code
- 4557
- Price
- ₹10,000
- Sample Type
- Cerebrospinal Fluid (CSF)
- Result Time
- Same day report
- Fasting Required
- No
- Method
- Cell Based Assay, Immunofluorescence Assay (IFA)
Sample Collection
No special preparation required. Inform your doctor about any medications or medical conditions.
Method: Lumbar puncture (spinal tap)
Laboratory Analysis
Lumbar puncture is performed under local anesthesia. You may feel pressure or discomfort during the procedure.
Report Delivery
Rest for a while post-procedure. Monitor for headache or other symptoms and follow doctor's advice.
Timeline: Same day report
Patient Instructions
About This Test
Who Should Get This Test
To diagnose autoimmune neurological disorders such as limbic encephalitis, Morvan's syndrome, acquired neuromyotonia, autonomic dysfunction, epilepsy, and cramp-fasciculation syndrome by detecting VGKC antibodies in cerebrospinal fluid.
How to Prepare
- Inform your doctor about any medications or medical conditions.
- Avoid eating or drinking for at least 4 hours before the test.
- Lie down or sit with your head bent forward during the procedure.
Doctor's Notes
Reviewed by Dr Pasupathy Arumugam — MBBS, MD (Pathology) · Reg. No. 21521
"This test is essential for diagnosing autoimmune neurological disorders and guiding targeted treatment plans."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
Understanding Your Results
Positive
Presence of VGKC antibodies, indicating possible autoimmune disorder such as limbic encephalitis. Consult a neurologist for further evaluation and treatment.
Negative
No VGKC antibodies detected. Symptoms may be due to other neurological conditions. Clinical correlation is recommended.
If you experience symptoms such as seizures, memory loss, confusion, muscle weakness, or sleep disturbances, consult a doctor for evaluation and possible testing.
Risks & Considerations
- ●Pain or discomfort at the needle insertion site
- ●Bleeding or infection at the site
- ●Headache
Frequently Asked Questions
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