Ganglioside GM1 Titration (Serum)
This test measures the amount of GM1 ganglioside, a complex sugar molecule found in certain cells, including nerve cells. It may be used to help diagnose or monitor conditions affecting nerve function.
["GM1 ganglioside levels can provide clues about nerve damage or storage disorders."]
Key facts at a glance
- LOINC
- 16138-0
- Short code
- GM1 Gangl IgA Titr Ser
- Synonyms
- GM1 Gangl IgA Titr 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
Your doctor may order this test to help find the cause of symptoms you are having, to check how well a treatment is working, or as part of a routine checkup to screen for health problems before they cause noticeable symptoms.
Your healthcare provider may recommend this test if you have symptoms like muscle weakness, nerve pain, or other neurological issues that could be linked to GM1 ganglioside-related disorders. It might also be part of a broader evaluation for conditions such as GM1 gangliosidosis, a rare genetic disorder affecting nerve cells.
Results show whether the values being measured fall within the normal range. A result that is higher or lower than expected may point to a health condition, but your doctor will consider your symptoms, medical history, and other test results before making a diagnosis.
Results are not typically provided as a single numeric range since GM1 ganglioside levels vary widely in healthy individuals and can be influenced by many factors. Your doctor will interpret the result in the context of your symptoms, medical history, and other test results.
How this test is performed depends on what is being measured. It may involve a small blood sample drawn from a vein in your arm, a urine sample, a swab from the nose or throat, or an imaging scan. A trained nurse or technician carries out the procedure, which usually takes only a few minutes.
A blood sample is drawn from a vein, usually in your arm. The serum portion of the blood is then analyzed using a specialized laboratory technique to measure GM1 ganglioside levels.
Some tests require special preparation, such as fasting for a set number of hours, avoiding certain medicines or supplements, or drinking extra water beforehand. Your care team will give you clear instructions before your appointment, so tell them about any medicines you take, allergies you have, or bleeding problems.
No special preparation is usually required. However, avoid alcohol or certain medications that might affect blood components for 24 hours before the test if instructed by your doctor.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
GM1 Ganglioside Level
Frequently asked questions
GM1 ganglioside levels can be elevated in certain inherited metabolic disorders, such as GM1 gangliosidosis, which can cause progressive nerve damage. Abnormal levels may also be associated with other rare conditions affecting the nervous system.
This test is often ordered when there is a suspicion of a rare genetic disorder affecting nerve cells, such as GM1 gangliosidosis, or when neurological symptoms like muscle weakness or sensory issues are present.
Results are typically available within 1 to 2 weeks, depending on the laboratory and your healthcare provider’s workflow.
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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