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Ganglioside GM3 (Serum/Plasma)

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

This test measures the amount of GM3, a type of ganglioside, found in your blood. Gangliosides are complex sugars attached to lipids and are important in cell signaling and brain function.

Quick summary

["Understanding your GM3 levels may help assess certain metabolic or neurological conditions."]

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

Key facts at a glance

LOINC
108200-7
Short code
GD3 Gangl IgM Ser Ql IA
Synonyms
GD3 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 recommend this test if you have symptoms or a history suggestive of metabolic disorders, neurological conditions, or genetic conditions affecting lipid metabolism. It could also be part of a broader evaluation for conditions like Gaucher disease, Niemann-Pick disease, or other lysosomal storage disorders.

What to Expect Before the Test

No special preparation is typically required. You may be asked to fast for a certain period, but this will be specified by your doctor. Bring any medications you’re currently taking, as they may affect results.

What the Test Involves

A blood sample will be drawn from a vein, usually in your arm. The sample is then sent to a lab for analysis using a specialized technique, such as high-performance liquid chromatography (HPLC) or mass spectrometry.

What the Results Mean

Results are not typically provided as a single numeric range since GM3 levels can vary widely based on individual health, age, and conditions. Your healthcare provider will interpret the results in the context of your medical history and symptoms.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

GM3 Ganglioside Level

Frequently asked questions

What could cause abnormal results?
Abnormal GM3 levels may be associated with lysosomal storage disorders, metabolic syndromes, or certain genetic conditions. Elevated levels might suggest conditions affecting lipid metabolism, while very low levels could indicate underlying neurological or metabolic issues. Always discuss results with your doctor.
How often will I need this test?
The frequency of this test depends on your medical condition and treatment plan. Your doctor will determine how often you need follow-up testing based on your individual needs and symptoms.
Can diet or medications affect this test?
Certain medications or dietary changes that impact lipid metabolism (e.g., cholesterol-lowering drugs) may influence GM3 levels. Always inform your healthcare provider about all medications and supplements you take 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