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Ganglioside GM1 (Serum)

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

This test measures the level of GM1 ganglioside, a complex sugar molecule found in your blood serum. It may be used to assess certain metabolic or storage disorders.

Quick summary

["GM1 ganglioside levels can help diagnose rare genetic conditions affecting lipid metabolism."]

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

Key facts at a glance

LOINC
57968-0
Short code
GD1a Gangl IgG Ser Ql
Synonyms
GD1a Gangl IgG Ser Ql
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

What Is GM1 Ganglioside?

GM1 ganglioside is a type of glycolipid (a sugar-lipid molecule) that plays a role in cell signaling and membrane structure. While present in normal amounts, elevated or abnormal levels may indicate underlying metabolic or genetic disorders.

Why Might This Test Be Ordered?

Your healthcare provider may recommend this test if you have symptoms like developmental delays, movement disorders, or neurological issues. It could also be part of a broader evaluation for conditions like GM1 gangliosidosis, a rare lysosomal storage disorder.

How Is the Test Performed?

A blood sample is drawn from a vein in your arm. The serum portion is then analyzed using a specialized laboratory technique to measure GM1 ganglioside concentration.

What Do Results Mean?

Results may be compared to a reference range specific to the lab, though exact values can vary. Abnormal results may prompt further testing or evaluation of potential genetic or metabolic conditions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

GM1 Ganglioside

Frequently asked questions

What causes abnormal GM1 ganglioside levels?
Abnormal levels are most commonly linked to GM1 gangliosidosis, a genetic disorder affecting enzyme function. Other rare conditions or metabolic disorders may also be considered, depending on clinical context.
How is this test different from other lipid tests?
Unlike general lipid panels (e.g., cholesterol), this test specifically targets GM1 ganglioside, a unique glycolipid involved in cell function. It’s not a routine screening test but is used in specialized diagnostic evaluations.
Can lifestyle changes affect GM1 ganglioside levels?
No direct lifestyle changes are known to alter GM1 ganglioside levels. However, if you suspect a metabolic disorder, follow-up with your healthcare provider to discuss dietary or genetic testing options.
  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