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DNA Labs India

Anti NMDA Receptor / Anti-Glutamate Antibody CSF Test

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Anti NMDA Receptor / Anti-Glutamate Antibody CSF Test

Short Name: Anti-NMDA Receptor CSF Test

Also known as: Anti-NMDAR Antibody CSF Test, Anti-Glutamate Receptor Antibody CSF Test

Anti NMDA Receptor / Anti-Glutamate Antibody CSF Test test available at DNA Labs India for ₹8,500. Uses Cell-based assay, Immunofluorescence assay (IFA) on CSF (Cerebrospinal Fluid) samples. Results in Same day report if sample received by Tuesday or Friday by 9 am. Free home collection in 300+ cities across India.

CSF Antibody Test🏠 Home Collection

✍️ Written By

Overview

This test is primarily used to diagnose anti-NMDA receptor encephalitis and anti-glutamate antibody encephalitis by detecting specific antibodies in CSF. It helps in confirming autoimmune encephalitis, guiding treatment decisions, and monitoring disease progression.

Test Code
143
Price
₹8,500
Sample Type
CSF (Cerebrospinal Fluid)
Result Time
Same day report if sample received by Tuesday or Friday by 9 am
Fasting Required
No
Method
Cell-based assay, Immunofluorescence assay (IFA)
Step 1

Sample Collection

Inform your doctor about any medications or medical conditions. No specific preparation is required, but follow healthcare provider instructions.

Method: Lumbar puncture

Step 2

Laboratory Analysis

CSF sample is collected via lumbar puncture by a trained healthcare professional. The procedure takes about 30 minutes.

Step 3

Report Delivery

Monitor for any side effects such as headache. Apply pressure to the puncture site and rest as advised.

Timeline: Same day report if sample received by Tuesday or Friday by 9 am

Patient Instructions

1
Before the Test:No fasting required. Inform healthcare provider of any relevant medical history.
2
During the Test:The test involves CSF collection via lumbar puncture, which may cause mild discomfort.
3
After the Test:Rest and monitor for post-procedure symptoms like headache. Results are available same day if sample received on time.

About This Test

Who Should Get This Test

This test is primarily used to diagnose anti-NMDA receptor encephalitis and anti-glutamate antibody encephalitis by detecting specific antibodies in CSF. It helps in confirming autoimmune encephalitis, guiding treatment decisions, and monitoring disease progression.

How to Prepare

  • Collect 1 mL CSF in a sterile screw capped container
  • Ship refrigerated or frozen as specified

Doctor's Notes

"Early diagnosis of autoimmune encephalitis through CSF antibody testing is crucial for timely treatment and better outcomes. This test helps confirm the presence of pathogenic antibodies, guiding appropriate immunotherapy."

Test Parameters & Specifications

Sample TypeCSF (Cerebrospinal Fluid)
Sample Volume1 mL (minimum 0.5 mL)
ContainerSterile screw capped container
Collection MethodLumbar puncture

Sample Stability

Room Temperature: 6 hours
Refrigerator: 1 week
Frozen: 2 weeks
Sample Rejection Criteria:
  • Insufficient sample volume
  • Contaminated or hemolyzed sample
  • Improper labeling or storage

Understanding Your Results

Results indicate the presence or absence of antibodies in CSF. Interpretation should be done by a qualified neurologist in context with clinical findings.
📊

Positive

Detection of antibodies suggests autoimmune encephalitis. Further clinical correlation and treatment are needed.

📊

Negative

No antibodies detected. Does not entirely rule out the condition; clinical evaluation is essential.

⚠️ When to Consult a Doctor:

If symptoms such as seizures, behavioral changes, or memory loss persist or worsen, consult a neurologist promptly.

Limitations

  • ⚠False negatives possible in early disease stages
  • ⚠Test results must be correlated with clinical symptoms
  • ⚠Limited availability in remote areas

Risks & Considerations

  • ●Headache
  • ●Infection at puncture site
  • ●Bleeding
  • ●Rarely, nerve damage

Interfering Factors

  • ●Hemolyzed CSF sample
  • ●Contamination with blood
  • ●Improper sample storage

Compare With Similar Tests

TestAnti NMDA Receptor / Anti-Glutamate Antibody CSF TestAnti-NMDA Receptor Antibody Serum TestEEGMRI Brain
ComparisonAnti NMDA Receptor / Anti-Glutamate Antibody CSF Test

Frequently Asked Questions

What is the Anti NMDA Receptor / Anti-Glutamate Antibody CSF Test?
This test detects antibodies against NMDA and glutamate receptors in cerebrospinal fluid (CSF) to diagnose autoimmune encephalitis.
Why is this test necessary?
It is essential for confirming autoimmune encephalitis, which can cause severe neurological symptoms if left untreated.
How is the test performed?
A CSF sample is collected via lumbar puncture and analyzed using cell-based assay and immunofluorescence assay (IFA).
What are the risks of CSF collection?
Risks include headache, infection, bleeding, and rarely, nerve damage. These are generally mild and manageable.
How long does it take to get results?
Results are typically available same day if the sample is received by Tuesday or Friday by 9 am.
What does a positive result mean?
A positive result indicates the presence of antibodies, suggesting autoimmune encephalitis. Consult a neurologist for further evaluation and treatment.
Is fasting required before the test?
No, fasting is not required for this test.
Is home sample collection available?
Yes, free home sample collection is available in many cities across India for this test.
What is the cost of the test?
The test costs INR 8500 at DNA Labs India, with potential variations at other facilities.
Is the test covered by insurance?
Coverage depends on your insurance policy. It is advisable to check with your provider.
Can this test be done for children?
Yes, the test can be performed on individuals of all ages, but consultation with a pediatric neurologist is recommended for children.
What should I do after receiving the results?
Discuss the results with your neurologist to understand the diagnosis and plan appropriate treatment or follow-up.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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For Hospitals & Clinics

Reference Laboratory Services

We serve as a reference laboratory for hospitals and clinics across India. Send samples from your facility with same-day pickup, priority processing, and results delivered through our online portal. Competitive institutional pricing available.

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Your medical data is protected under Indian law.

✓ Stored in India: All patient records are stored on servers located in India. No data is transferred outside the country.

✓ DPDP Act Compliant: Under the Digital Personal Data Protection Act 2023, you can request deletion of your records at any time by contacting support.

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