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Monosialoganglioside (GM1) in Serum

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

This test measures the amount of a specific type of ganglioside (GM1) in your blood serum. Gangliosides are complex sugars found in cell membranes, and GM1 is particularly relevant in certain genetic and metabolic conditions.

Quick summary

["This test helps diagnose or monitor conditions affecting GM1 metabolism."]

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

Key facts at a glance

LOINC
13094-8
Short code
Deprecated GM1 Monosialo IgA Ser
Synonyms
Deprecated GM1 Monosialo IgA Ser
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 or a family history suggestive of GM1 storage disorders, such as Gaucher disease (a rare genetic disorder affecting certain enzymes). It may also be used in research or specialized diagnostic contexts for inherited metabolic diseases.

What to Expect Before the Test

No special preparation is typically required. You may fast before the test, but your provider will advise you. Bring any medications you’re currently taking, as some may affect results. Avoid alcohol for 24 hours before the blood draw.

What Happens During the Test

A healthcare professional will draw blood from a vein in your arm. You may feel a slight pinch, but the procedure is quick. The blood sample is sent to a lab for analysis using specialized techniques to measure GM1 levels.

What the Results Mean

Results are interpreted by your healthcare provider based on your clinical picture, symptoms, and medical history. Elevated levels may indicate GM1 storage disorders, while normal levels do not rule out other conditions. Follow-up testing or additional evaluations may be needed.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

GM1 is a critical component in cell membranes, and its accumulation can disrupt normal cellular function. Disorders affecting GM1 metabolism, such as GM1 gangliosidosis, can cause organ damage, neurological issues, and developmental delays. Early diagnosis is essential for managing symptoms and planning treatment options.

Short name

GM1 Ganglioside Level

Frequently asked questions

What causes abnormal GM1 levels?
Abnormal GM1 levels are most commonly associated with inherited metabolic disorders like GM1 gangliosidosis or Gaucher disease. These conditions result from genetic mutations that impair the body’s ability to break down GM1 properly. Other rare conditions or enzyme deficiencies may also lead to variations.
How is this test different from other ganglioside tests?
This test specifically measures GM1, a distinct ganglioside, unlike broader ganglioside panels that may include other types like GM2 or GM3. The focus on GM1 helps narrow diagnostic possibilities for specific storage disorders. Your provider will tailor the test based on your symptoms and suspected condition.
Can lifestyle changes affect GM1 levels?
While lifestyle factors like diet or exercise generally do not directly alter GM1 levels, they can influence overall health and may indirectly affect how your body processes metabolic disorders. If you have a diagnosed condition, follow your healthcare provider’s recommendations for managing symptoms and supporting treatment.
  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