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Ganglioside Antibody Profile IgG Test

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Ganglioside Antibody Profile IgG Test

Short Name: Ganglioside Ab IgG

Also known as: Ganglioside Antibody Panel IgG, Anti-Ganglioside Antibody IgG Profile, Ganglioside Autoantibody IgG Test, Neuropathy Antibody Panel IgG

Ganglioside Antibody Profile IgG Test test available at DNA Labs India for ₹5,500. Uses Immunoblot on Serum samples. Results in Results are typically available on the same day for samples received at the laboratory by 9 AM. Reports are delivered via the online portal, email, and WhatsApp.. Free home collection in 300+ cities across India.

ImmunoblotAll Age Groups🏠 Home Collection

✍️ Written By

Overview

This test is performed to detect the presence of IgG autoantibodies against specific gangliosides (GM1, GM2, GM3, GD1a, GD1b, GT1b, GQ1b) in the blood. These antibodies are associated with autoimmune-mediated peripheral neuropathies. The purpose of this test is to aid in the differential diagnosis of conditions such as Guillain-Barré syndrome, Miller Fisher syndrome, chronic inflammatory demyelinating polyneuropathy (CIDP), multifocal motor neuropathy, acute motor and sensory axonal neuropathy, and primary motor neuron disease. It helps clinicians identify the immunological basis of neuropathy and guide treatment decisions including immunotherapy.

Test Code
649
CPT Code
83516
ICD Code
G61.0
Price
₹5,500
Sample Type
Serum
Result Time
Results are typically available on the same day for samples received at the laboratory by 9 AM. Reports are delivered via the online portal, email, and WhatsApp.
Fasting Required
No
Method
Immunoblot
Step 1

Sample Collection

No special preparation, fasting, or dietary restrictions are required prior to sample collection. Inform your healthcare provider about any current immunomodulatory treatments such as IVIG or corticosteroids, as these may affect test results.

Method: Venipuncture

Step 2

Laboratory Analysis

A trained phlebotomist will collect approximately 2 mL of venous blood from a vein in your arm using standard venipuncture technique. The blood is drawn into a serum separator tube (SST). The procedure typically takes less than 5 minutes.

Step 3

Report Delivery

After blood collection, gentle pressure is applied to the puncture site with a cotton ball or bandage. You may resume normal activities immediately. The serum is separated from the blood and sent to the immunology laboratory for immunoblot analysis.

Timeline: Results are typically available on the same day for samples received at the laboratory by 9 AM. Reports are delivered via the online portal, email, and WhatsApp.

Patient Instructions

1
Before the Test:No special preparation or fasting is required. Inform your doctor about any immunomodulatory treatments you are currently receiving, such as intravenous immunoglobulin (IVIG), corticosteroids, or plasma exchange, as these may affect antibody levels in the blood and potentially influence test results.
2
During the Test:A blood sample of approximately 2 mL will be collected from a vein in your arm using a needle and syringe into a serum separator tube (SST). The collection process is quick, typically taking less than 5 minutes. You may feel a brief sting at the puncture site.
3
After the Test:After blood collection, a cotton ball or bandage will be placed over the puncture site. You may resume normal activities immediately. The serum is separated, and the sample undergoes immunoblot analysis in the laboratory. No post-test restrictions apply.

About This Test

Who Should Get This Test

This test is performed to detect the presence of IgG autoantibodies against specific gangliosides (GM1, GM2, GM3, GD1a, GD1b, GT1b, GQ1b) in the blood. These antibodies are associated with autoimmune-mediated peripheral neuropathies. The purpose of this test is to aid in the differential diagnosis of conditions such as Guillain-Barré syndrome, Miller Fisher syndrome, chronic inflammatory demyelinating polyneuropathy (CIDP), multifocal motor neuropathy, acute motor and sensory axonal neuropathy, and primary motor neuron disease. It helps clinicians identify the immunological basis of neuropathy and guide treatment decisions including immunotherapy.

How to Prepare

  • No fasting required prior to sample collection
  • Inform the phlebotomist about any medications, especially IVIG, corticosteroids, or other immunosuppressants
  • Provide 2 mL of blood in a Serum Separator Tube (SST)
  • Allow blood to clot for 30 minutes before centrifugation
  • Ship the sample refrigerated (2-8°C) or frozen (-20°C)
  • Sample should reach the laboratory within 2 weeks of collection for optimal results

Doctor's Notes

"The ganglioside antibody profile IgG test is a critical diagnostic tool for evaluating patients presenting with acute or chronic peripheral neuropathies. Elevated IgG antibodies against specific gangliosides such as GM1, GD1a, GD1b, GT1b, and GQ1b are strongly associated with Guillain-Barré syndrome, its variants including Miller Fisher syndrome, chronic inflammatory demyelinating polyneuropathy (CIDP), and multifocal motor neuropathy. Early detection through this antibody profile allows timely initiation of immunomodulatory therapy, significantly improving patient outcomes. I recommend this test for any patient presenting with rapidly progressive weakness, areflexia, or cranial nerve involvement suggestive of an autoimmune aetiology."

Test Parameters & Specifications

Sample TypeSerum
Sample Volume2 mL (1 mL min.)
ContainerSST (Serum Separator Tube)
Collection MethodVenipuncture

Sample Stability

Room Temperature (15-25°C)Up to 2 hours
Refrigerated (2-8°C)Up to 2 weeks
Frozen (-20°C)Up to 2 weeks
Sample Rejection Criteria:
  • Haemolysed, lipaemic, or grossly contaminated serum samples
  • Samples collected in incorrect anticoagulant tubes (non-SST)
  • Samples received at room temperature beyond 2 hours of collection
  • Insufficient sample volume (less than 1 mL serum)
  • Samples with leaking or unlabelled containers

Understanding Your Results

The ganglioside antibody profile IgG test results indicate the presence or absence of IgG antibodies against seven key gangliosides in the serum. A positive result for one or more antibodies, when correlated with the clinical picture, supports the diagnosis of an autoimmune-mediated peripheral neuropathy. Each specific antibody pattern is associated with distinct clinical syndromes. Results should be interpreted by a qualified neurologist alongside clinical findings, nerve conduction studies, cerebrospinal fluid analysis, and other relevant investigations.
📊

All antibodies Negative

No detectable IgG antibodies against the tested gangliosides. Does not completely exclude autoimmune neuropathy; clinical correlation is essential.

📊

Anti-GM1 IgG Positive

Suggestive of multifocal motor neuropathy (MMN) or acute motor axonal neuropathy (AMAN). Correlate with nerve conduction studies showing conduction block.

📊

Anti-GQ1b IgG Positive

Highly specific for Miller Fisher syndrome. May also be present in Guillain-Barré syndrome with ophthalmoplegia and Bickerstaff brainstem encephalitis.

📊

Anti-GD1a IgG Positive

Associated with acute motor axonal neuropathy and severe Guillain-Barré syndrome with predominant motor involvement.

📊

Anti-GD1b IgG Positive

Suggestive of sensory ataxic neuropathy or GBS with prominent sensory involvement.

📊

Multiple antibodies Positive

A broad antibody profile may indicate overlapping autoimmune neuropathy syndromes or more severe disease. Comprehensive clinical and electrophysiological evaluation is recommended.

⚠️ When to Consult a Doctor:

Consult a neurologist promptly if you experience rapidly progressive limb weakness, numbness or tingling in the extremities, loss of balance or coordination, difficulty swallowing or speaking, blurred or double vision, or facial muscle weakness. These symptoms may indicate an autoimmune neuropathy requiring urgent evaluation and treatment. Early diagnosis through ganglioside antibody testing can significantly improve outcomes with appropriate immunotherapy.

Limitations

  • ⚠This is a qualitative and semi-quantitative test; it does not provide precise antibody titre levels
  • ⚠A negative result does not completely exclude an autoimmune neuropathy as some cases are antibody-negative
  • ⚠Cross-reactivity between structurally similar gangliosides may occasionally occur
  • ⚠Results should always be interpreted in conjunction with clinical presentation, nerve conduction studies, and cerebrospinal fluid analysis
  • ⚠The test detects IgG class antibodies only; IgM and IgA ganglioside antibodies are not assessed in this profile

Risks & Considerations

  • ●Minor bruising or discomfort at the venipuncture site
  • ●Rare risk of mild infection at the puncture site
  • ●Extremely rare vasovagal reaction (dizziness or fainting) during blood draw

Interfering Factors

  • ●Recent intravenous immunoglobulin (IVIG) therapy may cause false-positive results due to passive antibody transfer
  • ●Plasma exchange performed before sample collection may lower antibody titres
  • ●Polyclonal hypergammaglobulinaemia may cause non-specific binding on immunoblot
  • ●Sample haemolysis or lipaemia may interfere with assay performance

Compare With Similar Tests

TestGanglioside Antibody Profile IgG TestGanglioside Antibody Profile IgMNerve Conduction Studies (NCS)Cerebrospinal Fluid (CSF) Analysis
ComparisonGanglioside Antibody Profile IgG Test

Frequently Asked Questions

What is the Ganglioside Antibody Profile IgG Test?
The Ganglioside Antibody Profile IgG Test is a blood test that detects IgG antibodies against seven key gangliosides (GM1, GM2, GM3, GD1a, GD1b, GT1b, GQ1b) in the serum. These antibodies are associated with autoimmune-mediated peripheral neuropathies such as Guillain-Barré syndrome, Miller Fisher syndrome, CIDP, and multifocal motor neuropathy.
Why is the Ganglioside Antibody Profile IgG Test recommended?
This test is recommended by neurologists when a patient presents with symptoms suggestive of an autoimmune peripheral neuropathy, including rapidly progressive limb weakness, numbness, tingling, loss of balance, difficulty swallowing, or facial weakness. It helps identify the specific antibody responsible, guiding diagnosis and treatment.
What does a positive Ganglioside Antibody Profile IgG result mean?
A positive result indicates the presence of IgG antibodies against one or more gangliosides. For example, anti-GQ1b positivity is strongly associated with Miller Fisher syndrome, while anti-GM1 positivity is linked to multifocal motor neuropathy. However, results must be correlated with clinical findings and other investigations for a definitive diagnosis.
Does a negative Ganglioside Antibody test rule out autoimmune neuropathy?
No. A negative result does not completely exclude an autoimmune neuropathy. Some patients with Guillain-Barré syndrome or CIDP may not have detectable ganglioside antibodies. Clinical evaluation, nerve conduction studies, and CSF analysis are essential for comprehensive diagnosis.
Is fasting required before the Ganglioside Antibody Profile IgG Test?
No, fasting is not required for this test. You can eat and drink normally before sample collection. However, inform your doctor about any immunomodulatory medications you are taking, as these may affect test results.
What sample is required for the Ganglioside Antibody Profile IgG Test?
The test requires 2 mL (minimum 1 mL) of venous blood collected in a serum separator tube (SST). The blood is processed to separate serum, which is then analysed using immunoblot methodology.
How is the Ganglioside Antibody Profile IgG Test performed?
The test uses immunoblot methodology. Serum extracted from the blood sample is applied to nitrocellulose strips coated with purified ganglioside antigens. If IgG antibodies against specific gangliosides are present, they bind to the corresponding antigens and are detected through colour development.
What is the cost of the Ganglioside Antibody Profile IgG Test at DNA Labs India?
The Ganglioside Antibody Profile IgG Test at DNA Labs India costs Rs 5500. This price includes free home sample collection, laboratory analysis using immunoblot, and digital report delivery via online portal, email, and WhatsApp.
Is home sample collection available for this test?
Yes, DNA Labs India offers free home sample collection for the Ganglioside Antibody Profile IgG Test across more than 300 cities in India. You can book online, and a trained phlebotomist will visit your location to collect the sample at your convenience.
How long does it take to get the results of the Ganglioside Antibody Profile IgG Test?
Results are typically available on the same day for samples received at the laboratory by 9 AM. The report is delivered digitally via the online portal, email, and WhatsApp for your convenience.
Can recent IVIG treatment affect the Ganglioside Antibody Profile IgG Test results?
Yes. Intravenous immunoglobulin (IVIG) therapy contains pooled antibodies that may cause false-positive results due to passive antibody transfer. It is advisable to inform your doctor about recent IVIG treatment and discuss the optimal timing for testing.
What are the conditions associated with positive ganglioside IgG antibodies?
Positive ganglioside IgG antibodies are associated with Guillain-Barré syndrome, Miller Fisher syndrome, acute motor axonal neuropathy (AMAN), acute motor and sensory axonal neuropathy (AMSAN), multifocal motor neuropathy (MMN), and chronic inflammatory demyelinating polyneuropathy (CIDP). The specific antibody pattern helps differentiate between these conditions.
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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