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Tubulin Immunoassay (Serum/Plasma)

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

This test measures antibodies against tubulin, a protein involved in cell structure. It may be used to diagnose or monitor certain neurological conditions.

Quick summary

["This test helps assess potential autoimmune responses linked to rare neurological disorders."]

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

Key facts at a glance

LOINC
13110-2
Short code
Deprecated B-Tubulin IgM Ser
Synonyms
Deprecated B-Tubulin IgM 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 like muscle weakness, sensory disturbances, or unexplained neurological issues. It could also be part of a broader evaluation for conditions like paraneoplastic neurological syndromes or certain autoimmune disorders.

What to Expect During Testing

A blood sample is drawn from a vein, typically in your arm. The sample is then processed and analyzed for tubulin antibodies. Results are usually available within a few days.

Common Conditions Monitored

This test is primarily used for screening or confirming suspected autoimmune-related neurological disorders. It may not be routinely performed unless symptoms or clinical suspicion align with conditions like anti-tubulin antibodies associated with limbic encephalitis or other rare neurological syndromes.

What the Results Mean

Positive results indicate the presence of tubulin antibodies, which may suggest an underlying autoimmune process. However, additional testing and clinical correlation are needed to determine the exact cause and appropriate treatment.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Tubulin Antibody Screening

Frequently asked questions

What does a positive result mean for my health?
A positive result suggests a possible autoimmune response targeting tubulin, which could be linked to neurological symptoms. This finding often prompts further evaluation, including additional tests and a detailed review of your symptoms and medical history to identify the underlying cause.
How often will I need this test?
The frequency of this test depends on your clinical situation. If this test is part of an ongoing evaluation, your provider may recommend retesting if symptoms change or if new information emerges about your condition.
Can lifestyle changes affect this test result?
While lifestyle factors like diet or stress may influence overall health, they are unlikely to directly affect tubulin antibody levels. Your provider will focus on managing symptoms and underlying conditions based on test results and clinical judgment.
  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