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Ganglioside GM1 (Serum)

Published: August 9, 2026Updated: August 16, 2026

This test measures the level of GM1 ganglioside, a type of sugar-lipid found in your blood. It may be used to help diagnose or monitor certain neurological conditions.

Quick summary

["GM1 ganglioside levels can help identify or track conditions affecting nerve function."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
106795-8
Short code
GT1a Gangl IgM Ser Ql IA
Synonyms
GT1a Gangl IgM Ser Ql IA
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 Might Be Ordered

Your healthcare provider may order this test if you have symptoms or a history of neurological disorders, such as certain types of peripheral neuropathy, hereditary spastic paraplegia, or other rare genetic conditions. It may also be part of a broader evaluation for inherited metabolic disorders or lysosomal storage diseases.

What to Expect Before the Test

No special preparation is typically required. You may have a small needle inserted into a vein in your arm to draw blood. If you’re nervous, let your healthcare provider know—they can offer ways to make it more comfortable.

What the Test Results Mean

Results may vary depending on your health condition and the reason for testing. Elevated levels might suggest certain genetic or metabolic disorders, while normal results do not definitively rule out all conditions. Your doctor will discuss findings with you in detail.

Common Conditions Monitored

This test is often used in the context of diagnosing or managing conditions like GM1 gangliosidosis (a rare lysosomal storage disorder), certain types of neuropathy, or other inherited neurological diseases. It’s not a standalone test but part of a comprehensive evaluation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

GM1 Ganglioside

Frequently asked questions

What does it mean if my GM1 ganglioside level is high?
High levels may indicate an underlying metabolic or lysosomal storage disorder, such as GM1 gangliosidosis. Your doctor will consider your symptoms, medical history, and other test results to determine the next steps. Genetic counseling may be recommended if a hereditary condition is suspected.
What if my results are within the normal range?
Normal results do not rule out all possible conditions. If you were tested due to symptoms or a family history, further testing or follow-up may still be needed. Always discuss your results with your healthcare provider.
How often will I need this test?
Frequency depends on your diagnosis and treatment plan. If you have a known condition affecting GM1 levels, your doctor may schedule follow-up tests at regular intervals to monitor progression or response to treatment.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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