Genetic Mutation Screening for Specific Germline Variants in Blood
This test checks for inherited genetic changes (mutations) in your blood that may increase your risk for certain conditions, such as cancer or inherited disorders.
["Helps identify inherited genetic risks that may affect your health or future medical needs."]
Key facts at a glance
- LOINC
- 21768-7
- Short code
- SCA gene Mut Tested Bld/T
- Synonyms
- SCA 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 This Test Measures
The test looks for specific genetic mutations in your blood sample. These mutations are small changes in your DNA that may be passed down from parents. Certain mutations are linked to higher risks for diseases like breast cancer, colon cancer, or other inherited conditions. The test uses advanced laboratory techniques to detect these mutations with high accuracy.
Why You Might Need This Test
Your healthcare provider may recommend this test if you have a family history of certain cancers or genetic disorders, or if you are at higher risk due to personal health factors. It can help guide decisions about preventive care, monitoring, or genetic counseling.
Sample Collection and Processing
A small blood sample is drawn from your arm. The blood is processed to isolate DNA, which is then analyzed for the specific mutations being tested. This process is typically done in a certified laboratory using specialized equipment and techniques.
What the Results Mean
Results can be one of three main types: negative (no mutations found), positive (mutations detected), or indeterminate (results unclear). Positive results may require further testing or genetic counseling to discuss implications for your health and family.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Identifying these mutations can help healthcare providers tailor preventive strategies, such as regular screenings, lifestyle changes, or close monitoring. For example, knowing you carry certain cancer-related mutations may allow for earlier detection of cancer or more aggressive treatment planning if needed. It’s important to discuss results with a healthcare provider or genetic counselor to understand personal risks and next steps.
Short name
Germline Mutation Test
Frequently asked questions
What does a positive result mean for my health?
Will my results affect my insurance or ability to get treatment?
Can I share my test results with family members?
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