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Serum/plasma CXCL13 concentration (mass concentration)

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

This test measures the amount of CXCL13, a protein involved in immune response and inflammation, in your blood.

Quick summary

["CXCL13 helps your immune system recognize and fight infections and may play a role in autoimmune conditions."]

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

Key facts at a glance

LOINC
74917-6
Short code
CXCL13 Ag CSF-mCnc
Synonyms
CXCL13 Ag CSF-mCnc
Category
chemistry
Sample
csf
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
1-2 mL
Stability
Immediate analysis required, Refrigerated: 1h
Hemolysis max
200
TAT
4–24 hours
Order
routine

What Is CXCL13 Used For?

CXCL13 is primarily studied in research for conditions like autoimmune diseases (e.g., rheumatoid arthritis) or chronic infections. It may also help assess immune system activity in certain inflammatory disorders.

How Is This Test Performed?

A blood sample is drawn from a vein, usually in your arm. The sample is then processed to measure CXCL13 levels using a specialized immunoassay technique.

Sample Collection and Preparation

For this test, you’ll typically provide a blood sample in either serum or plasma. The lab will separate the blood components and analyze the CXCL13 protein concentration.

When Might You Need This Test?

Your healthcare provider may order this test if you have symptoms of chronic inflammation, autoimmune disease, or if research studies focus on CXCL13’s role in immune function.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: CXCL13 in Health and Disease

Short name

CXCL13 Level

Frequently asked questions

How long does it take to get results from this test?
Results are usually available within 1–3 business days, depending on lab processing times and any additional confirmatory steps.
What are the normal ranges for this test?
There are no universally standardized reference ranges for CXCL13 due to its research-focused use. Your results will be interpreted in the context of your clinical condition and symptoms.
Can lifestyle changes affect CXCL13 levels?
While diet, exercise, and stress management may influence inflammation markers broadly, direct effects on CXCL13 levels are not well-documented and would require medical guidance.
  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