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Ganglioside GM1 Serum Concentration

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

This test measures the amount of GM1 ganglioside, a complex sugar molecule found in your blood serum. GM1 is involved in cell signaling and nerve function, and abnormal levels may relate to certain genetic or metabolic conditions.

Quick summary

["Your results help assess potential nerve or metabolic health risks."]

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

Key facts at a glance

LOINC
31502-8
Short code
GM1 Gangl IgM Ser-aCnc
Synonyms
GM1 Gangl IgM Ser-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 Is This Test Done?

Doctors may order this test if you have symptoms like muscle weakness, nerve damage, or unexplained metabolic issues. It can also be part of genetic testing for conditions affecting ganglioside metabolism.

What Does the Test Involve?

You’ll provide a blood sample drawn from your arm. The lab then analyzes the serum portion for GM1 ganglioside concentration using specialized techniques.

What Do Results Mean?

Results are compared to a reference range specific to GM1 ganglioside. Abnormal levels may indicate inherited disorders (e.g., GM1 gangliosidosis) or other metabolic conditions requiring further evaluation.

What Are Possible Outcomes?

Normal results suggest no obvious metabolic or nerve-related issues linked to GM1. Abnormal results may prompt additional testing, such as genetic analysis or further clinical evaluation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical significance: Elevated or reduced GM1 levels may signal inherited lysosomal storage disorders (e.g., GM1 gangliosidosis), which affect nerve and muscle function. These conditions can cause progressive weakness, developmental delays, or organ damage. Low levels may also be associated with certain metabolic syndromes or nerve degeneration.

Short name

GM1 Ganglioside Level

Frequently asked questions

What causes abnormal GM1 levels?
Abnormal results could stem from inherited genetic mutations affecting GM1 metabolism, certain metabolic disorders, or nerve-related conditions. Always discuss symptoms and family history with your doctor.
How can I prepare for this test?
No special preparation is needed. Avoid alcohol for 24 hours before testing, as it may affect lab results. Wear comfortable clothing for the blood draw.
Is this test painful?
The blood draw may cause mild discomfort, but it’s quick and over quickly. Most people tolerate it well. Your healthcare provider can address any concerns before the test.
  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