Genetic Mutation Screening in Whole Blood
This test checks for specific genetic mutations in your blood, which may be linked to inherited conditions or cancer risks. It helps identify changes in DNA that could affect how your body functions.
["This test may help detect inherited conditions or cancer risks by examining genetic mutations in your blood sample."]
Key facts at a glance
- LOINC
- 21682-0
- Short code
- Gau1 gene Mut Tested Bld/T
- Synonyms
- Gau1 gene Mut Tested 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
What Does This Test Measure?
The test analyzes DNA from your blood to identify specific mutations in one or more genes. These mutations can be associated with conditions like cancer, metabolic disorders, or other genetic syndromes. The test focuses on mutations that may be present in a small portion of your blood cells or throughout your genetic material.
Why Might You Need This Test?
Your healthcare provider may recommend this test if you have a family history of certain genetic conditions, symptoms that suggest a genetic disorder, or if you’re at higher risk due to your age or other factors. It can also be used as part of a cancer screening or risk assessment.
How Is the Sample Collected?
A blood sample is drawn from a vein, usually in your arm, using a small needle. The sample is then sent to a lab for genetic analysis. You may feel a slight pinch, but the procedure is quick and typically doesn’t cause discomfort beyond mild soreness afterward.
What Are the Possible Results?
Results can vary widely depending on the specific mutations being tested. You may receive a negative result (no mutations found), a positive result (mutations detected), or a result indicating further testing is needed. Your healthcare provider will explain what the results mean in the context of your health and medical history.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test plays a critical role in identifying genetic mutations that could influence your health. For example, it may help diagnose conditions like Lynch syndrome (a cancer risk factor), cystic fibrosis, or other inherited disorders. Early detection can lead to better management, treatment options, or preventive strategies tailored to your needs.
Short name
Genetic Mutation Test (Blood)
Frequently asked questions
How long will it take to get my results?
What if I get a positive result?
Can I fast before 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