Immunoglobulin Heavy Chain Gene Mutation Detection (Blood)
This test checks for mutations in the immunoglobulin heavy chain gene, which may help diagnose or monitor certain blood-related conditions like chronic lymphocytic leukemia (CLL) or other hematologic disorders.
["Helps identify genetic changes in white blood cells that may indicate underlying blood cancers or immune system disorders."]
Key facts at a glance
- LOINC
- 48670-4
- Short code
- IgVH gene Mut Anl Bld/T
- Synonyms
- IgVH 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 Is Done
Your healthcare provider may order this test if you have symptoms like unexplained fatigue, frequent infections, or swollen lymph nodes. It’s also used to monitor known conditions like chronic lymphocytic leukemia (CLL) or other blood cancers to track disease progression or response to treatment.
What to Expect Before the Test
No special preparation is needed. You’ll have a small needle inserted into your arm or hand to draw a small amount of blood. The process usually takes a few minutes, and you may feel slight discomfort, but it’s generally quick and painless.
What the Test Results Mean
If mutations are found, they may suggest an underlying genetic condition affecting your immune system or blood cells. Results are interpreted by your healthcare provider in the context of your symptoms and medical history.
Common Conditions Monitored
This test is often used to diagnose or monitor chronic lymphocytic leukemia (CLL), Waldenström macroglobulinemia, or other hematologic malignancies. It may also be used in research or specialized cases where immunoglobulin-related mutations are suspected.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Detecting immunoglobulin heavy chain gene mutations can help confirm a diagnosis of certain blood cancers or immune disorders. These mutations can influence treatment decisions, such as targeted therapies or monitoring for disease recurrence. Early detection may improve management and outcomes.
Short name
IgVH Gene Mutation Test
Frequently asked questions
What does a positive result mean?
Will I need further testing if this test is positive?
How often will I need this test?
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