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Immunoassay for Anti-IL6R Antibodies (Serum)

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

This test measures the presence of antibodies against the interleukin-6 receptor (IL6R) in your blood. These antibodies may be linked to certain autoimmune or inflammatory conditions.

Quick summary

["This test helps assess immune responses related to IL6R, potentially guiding treatment for rare or complex conditions."]

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

Key facts at a glance

LOINC
107003-6
Short code
T. pallidum Ab.IgG 17 Ser Ql IB
Synonyms
T. pallidum Ab.IgG 17 Ser Ql IB
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ib
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 conditions associated with IL6R-related immune responses, such as certain autoimmune diseases or rare inflammatory syndromes. It may also be used in research or clinical trials involving IL6R pathways.

What to Expect Before the Test

No special preparation is typically needed. You’ll provide a blood sample, usually drawn from a vein in your arm. If you’re on blood thinners, let your provider know before the test.

What the Results Mean

Results are qualitative (positive or negative) and indicate whether your body has produced antibodies against IL6R. A positive result suggests an immune response targeting this receptor, which may inform diagnosis or treatment planning.

Common Conditions Monitored

This test is not routinely used for general health screening but may be part of a diagnostic workup for conditions like certain autoimmune diseases, inflammatory disorders, or experimental therapies targeting IL6R.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical significance: Elevated antibody levels may indicate an immune-mediated process affecting IL6R, which could be linked to autoimmune reactions or rare inflammatory conditions. Results are interpreted in the context of your medical history and symptoms.

Short name

Anti-IL6R Antibody Test

Frequently asked questions

What does a positive result mean?
A positive result means your immune system has detected and produced antibodies against IL6R. This could suggest an ongoing immune response that may require further evaluation by your healthcare provider.
Can this test be used to diagnose a specific disease?
No, this test alone is not used to diagnose a specific disease. It may be part of a broader evaluation for conditions involving IL6R pathways, such as autoimmune disorders or research studies.
Is fasting required for this test?
No fasting is required for this blood test. However, inform your provider if you’re taking any medications, especially blood thinners.
  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