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Serum or plasma concentration of ganglioside GM1

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

This test measures the amount of a specific type of fat molecule (ganglioside GM1) found in your blood, often linked to certain neurological conditions.

Quick summary

["This test helps assess potential nerve damage or metabolic disorders."]

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

Key facts at a glance

LOINC
43600-6
Short code
GD1b Gangl IgM Ser Ql
Synonyms
GD1b Gangl IgM 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

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like muscle weakness, balance issues, or neurological problems that could be related to abnormal fat deposits in nerves. It may also be used in research or specialized diagnostic settings for rare conditions affecting nerve function.

What to Expect Before the Test

No special preparation is typically required. You may have a blood sample drawn from a vein in your arm, or your healthcare provider may use a different method depending on the lab’s standard procedure.

What the Results Mean

Results are interpreted by a healthcare professional based on your symptoms, medical history, and other test results. Elevated or low levels may suggest underlying conditions that need further evaluation.

Common Conditions Monitored

While GM1 ganglioside is not commonly tested for routine conditions, it may be relevant in cases of hereditary disorders like GM1 gangliosidosis or other rare metabolic diseases affecting nerve cells.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

GM1 Ganglioside Level

Frequently asked questions

What questions might I have about this test?
This test is usually performed for research, specialized diagnostics, or if symptoms strongly suggest a rare neurological disorder. Standard reference ranges may not apply, and results are evaluated in the context of your overall health.
How is this test different from other blood tests?
Unlike standard blood tests (e.g., cholesterol or glucose), this test specifically measures a rare fat molecule in nerves. It’s not a general health screening but targeted for specific neurological concerns.
Can I fast before this test?
No fasting is required for this test. Blood is drawn as part of standard venipuncture, and results depend on the fat content in your blood sample at the time of testing.
  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