Ganglioside GM1 (Serum)
This test measures the amount of GM1 ganglioside, a complex sugar-lipid found in your blood serum. GM1 is involved in cell signaling and nerve function, and its levels can be assessed for certain medical conditions.
["Knowing your GM1 levels may help diagnose or monitor nerve-related disorders."]
Key facts at a glance
- LOINC
- 88724-0
- Short code
- GD1a Gangl IgG+IgM Ser IA-aCnc
- Synonyms
- GD1a Gangl IgG+IgM Ser IA-aCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ia
- CPT
- 82784
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why This Test Is Done
Doctors may order a GM1 ganglioside test if you have symptoms like muscle weakness, nerve pain, or other neurological issues. It can also be part of evaluating conditions such as hereditary neuropathies or certain metabolic disorders that affect nerve cells.
What to Expect Before the Test
No special preparation is usually needed for this blood test. You may be asked to fast for 8–12 hours before drawing blood, but this depends on your doctor’s instructions. Bring any medications you’re taking to your appointment.
How the Test Is Performed
A healthcare provider will insert a needle into a vein in your arm to draw blood. The blood sample is then sent to a lab for analysis using a specialized immunoassay method to detect GM1 ganglioside levels.
What the Results Mean
Results are typically reported as a concentration in mass units per volume (e.g., mg/dL or similar). Your doctor will interpret these results in relation to your symptoms and medical history to determine if further testing or treatment is needed.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Elevated GM1 levels may be associated with certain inherited nerve disorders, such as GM1 gangliosidosis, which affects how cells process certain fats. Low or abnormal levels could indicate nerve damage or metabolic issues affecting lipid metabolism. Always discuss results with your healthcare provider for personalized guidance.
Short name
GM1 Ganglioside Level
Frequently asked questions
How long does it take to get my test results?
Can I eat or drink before this test?
What conditions might affect my GM1 test results?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy