Kitexon-9 Mutation Analysis in Leukemic Blood (Genetic Mutation Screening)
This test checks for specific genetic mutations in a sample of your blood, which may be linked to certain blood cancers or genetic conditions. It helps doctors understand if certain genetic variations are present that could influence treatment options.
["This test may help identify genetic mutations associated with blood disorders or cancer risk."]
Key facts at a glance
- LOINC
- 77172-5
- Short code
- KIT Exon 9 Mut Anl Bld/T
- Synonyms
- KIT Exon 9 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
What This Test Measures
The test analyzes DNA from your blood sample to detect mutations in the KIT gene (specifically exon 9), which are often associated with conditions like gastrointestinal stromal tumors (GIST) or certain blood cancers. These mutations can affect how cells grow and divide.
Why Your Doctor Might Order This Test
Your doctor may recommend this test if you have symptoms of a blood disorder, a family history of genetic conditions, or if you’re being evaluated for a suspected cancer like leukemia or lymphoma. It can also help guide treatment decisions based on genetic factors.
How the Test Works
A small blood sample is taken, and your DNA is extracted. Specialized laboratory techniques (such as sequencing or polymerase chain reaction) identify whether the KIT exon 9 mutation is present in your cells.
Sample Collection and Preparation
You’ll have a simple blood draw, usually from your arm. The sample is sent to a lab where it’s processed to isolate DNA for testing. Results are typically available within a few days to a week, depending on the lab.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Kitexon-9 Mutation Test
Frequently asked questions
If mutations are found, they may influence treatment choices, such as targeted therapies or genetic counseling. If no mutations are detected, it doesn’t rule out other conditions but helps narrow diagnostic possibilities.
The test results may not provide a definitive diagnosis on their own but can help guide further testing or treatment plans.
The KIT exon 9 mutation is associated with certain cancers, but it can also appear in people without cancer. Results should always be interpreted by a healthcare provider.
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