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Serum or plasma concentration of ganglioside GM1

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

This test measures the amount of GM1 ganglioside, a complex sugar molecule found in nerve cells, in your blood. It may be used to assess nerve function or detect certain genetic or metabolic conditions.

Quick summary

GM1 ganglioside levels can help diagnose or monitor conditions affecting the nervous system.

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

Key facts at a glance

LOINC
88730-7
Short code
GD1b Gangl IgG+IgM Ser IA-aCnc
Synonyms
GD1b Gangl IgG+IgM Ser IA-aCnc
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 Is This Test Done?

Your healthcare provider may order this test if you have symptoms like muscle weakness, developmental delays, or neurological issues that could be linked to GM1 ganglioside-related disorders. It may also be part of a broader evaluation for inherited metabolic diseases or nerve disorders.

What Does the Test Involve?

A blood sample is drawn from a vein, usually in your arm. The blood is then processed to separate serum or plasma for testing. The lab analyzes the concentration of GM1 ganglioside using a specialized immunoassay or similar method.

What Are Possible Results?

Results are reported as a mass concentration in the blood. Interpretation depends on clinical context, including your symptoms and medical history. Abnormal levels may suggest conditions like GM1 gangliosidosis or other nerve-related disorders.

What Does It Mean If Results Are Abnormal?

Elevated or low levels of GM1 ganglioside might indicate underlying health conditions affecting nerve cells. Your doctor will discuss these findings with you and may recommend further testing or treatment options.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

GM1 ganglioside is a marker for certain inherited lysosomal storage disorders, such as GM1 gangliosidosis (also called Morbus Gaucher type 1 in some contexts). Abnormal levels can help confirm a diagnosis or guide management of nerve-related symptoms. It may also be used in research or specialized clinical settings for conditions involving nerve degeneration.

Short name

GM1 Ganglioside Level

Frequently asked questions

What does a high or low GM1 ganglioside level mean?
A high level may suggest a lysosomal storage disorder or other metabolic condition affecting nerve cells, while low levels could be due to genetic, developmental, or other neurological factors. Your doctor will evaluate these results in the context of your symptoms and medical history.
How often should I get this test?
This test is typically ordered as part of a specific diagnostic evaluation, not routinely. Follow your healthcare provider’s recommendations for follow-up testing based on your results and symptoms.
Is there anything I should do before the test?
No special preparation is usually needed, but avoid eating for 8–12 hours before the blood draw if instructed. Stay hydrated and inform your provider about any medications or health conditions that may affect results.
  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