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Genetic Mutation Analysis for NOD2 Gene (Blood)

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

This test checks for mutations in the NOD2 gene, which may be linked to certain inflammatory bowel disease (IBD) conditions, including Crohn’s disease.

Quick summary

["This test helps assess genetic risk for IBD-related conditions."]

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

Key facts at a glance

LOINC
41115-7
Short code
NOD2 gene Mut Anl Bld/T
Synonyms
NOD2 gene Mut Anl Bld/T
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
molgen
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have a family history of inflammatory bowel disease (IBD), such as Crohn’s disease or ulcerative colitis, or if you have symptoms that suggest a genetic component to your condition. It may also be used in research or specialized genetic counseling settings.

What to Expect Before the Test

You will provide a blood sample, typically drawn from a vein in your arm. The process is quick and usually painless. No special preparation is needed, but inform your provider about any medications you’re taking.

What the Test Measures

The test analyzes DNA from your blood to identify specific changes (mutations) in the NOD2 gene. These mutations are associated with an increased risk of developing Crohn’s disease or other IBD-related conditions.

What the Results Mean

Results may show whether you carry certain NOD2 gene mutations. If mutations are found, they may help explain your risk for IBD or guide treatment decisions in consultation with a healthcare provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

NOD2 Gene Mutation Test

Frequently asked questions

Genetic mutations in the NOD2 gene are linked to an increased likelihood of developing Crohn’s disease, particularly in certain ethnic groups. Identifying these mutations can support diagnosis, inform genetic counseling, or help tailor personalized treatment plans.
What does a positive result mean?
A positive result indicates the presence of specific NOD2 gene mutations that may increase your risk of developing Crohn’s disease or related IBD conditions. This finding should be discussed with your healthcare provider to understand implications for your care.
Can this test be used to diagnose IBD?
No, this test is not a diagnostic tool for IBD. It helps assess genetic risk and may support broader diagnostic evaluations, including clinical symptoms, medical history, and other tests.
This test is generally not routine for ongoing monitoring. It may be ordered once or occasionally based on specific clinical needs, such as genetic counseling or research purposes. Always follow your healthcare provider’s recommendations.
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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