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Glycoprotein ganglioside detection (qualitative, serum/plasma)

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

This test checks for specific sugar-protein molecules called glycoproteins, particularly gangliosides, which may be present in higher amounts in certain blood conditions.

Quick summary

["This test helps identify potential neurological or metabolic disorders by detecting abnormal ganglioside levels."]

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

Key facts at a glance

LOINC
89512-8
Short code
GD3 Gangl IgG+IgM Ser Ql Line blot
Synonyms
GD3 Gangl IgG+IgM Ser Ql Line blot
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
line-blot
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 This Test Measures

Gangliosides are complex molecules found in cell membranes, especially in the nervous system. This test detects their presence in your blood, often using a specialized line blot assay to identify specific patterns or abnormalities.

Why It’s Ordered

Doctors may order this test if you have symptoms like neurological issues (e.g., movement disorders, seizures), developmental delays, or if you have a family history of rare genetic disorders linked to abnormal ganglioside metabolism.

Common Conditions Monitored

This test is sometimes used in cases suspected of gangliosidoses (e.g., GM1 gangliosidosis) or other lysosomal storage disorders, though it’s not a routine screening test for most conditions.

What to Expect Before the Test

No special preparation is needed. A blood sample will be drawn from a vein, similar to other blood tests. If you’re on blood thinners, let your doctor know before the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

None

Frequently asked questions

How does this test help doctors?
This test can confirm or support a diagnosis of rare genetic disorders affecting ganglioside breakdown. Abnormal results may indicate a metabolic or lysosomal storage disease requiring further genetic testing or specialized care.
What does a positive result mean?
A positive result (detecting abnormal ganglioside patterns) may suggest a specific metabolic disorder. However, further testing and evaluation by a specialist are needed to determine the exact cause and next steps.
Can lifestyle changes affect this test?
No known lifestyle factors directly influence ganglioside levels in blood. Results are based on the presence/absence of specific molecules and are used diagnostically rather than for monitoring general health.
  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