NOTCH1 Mutation Analysis (Blood)
This test checks for genetic changes (mutations) in the NOTCH1 gene, which may be linked to certain blood-related conditions like hereditary hemorrhagic telangiectasia (HHT) or other rare disorders.
["A mutation in the NOTCH1 gene could affect blood vessel formation and function."]
Key facts at a glance
- LOINC
- 99126-5
- Short code
- NOTCH1 Mut Anl Bld/T
- Synonyms
- NOTCH1 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 symptoms or a family history suggestive of conditions associated with NOTCH1 mutations, such as bleeding disorders, vascular abnormalities, or other genetic syndromes. It may also be part of genetic counseling or carrier screening for certain inherited conditions.
What to Expect Before the Test
No special preparation is typically needed. A blood sample will be drawn from a vein in your arm, similar to other routine blood tests. You may feel slight discomfort, but it usually lasts only a few minutes.
What the Test Results Mean
Results will indicate whether a mutation in the NOTCH1 gene is present. A positive result means the mutation is detected, which can help guide further medical management or genetic counseling. Results may also be reported as wild-type (no mutation detected).
Common Reasons for Testing
This test is often used in genetic testing for inherited conditions, particularly when symptoms like unexplained bleeding, vascular issues, or a family history of similar disorders are present. It can also be part of prenatal testing or carrier screening in certain families.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
NOTCH1 Mutation Test
Frequently asked questions
What does a positive result mean for my health?
Will this test affect my insurance or ability to get treatment?
Can I get this test if I’m pregnant or planning a pregnancy?
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