Genomic DNA Analysis Using a Specific Probe for Chromosomal or Genetic Testing
This test involves examining a sample of your DNA to detect specific genetic sequences or chromosomal abnormalities using a specialized probe. It may be used to confirm or screen for inherited conditions, genetic mutations, or other genetic-related health assessments.
["This test helps identify specific genetic markers that may influence health risks or confirm suspected genetic disorders."]
Key facts at a glance
- LOINC
- 45090-8
- Short code
- C trach DNA Anal Ql NAA+probe
- Synonyms
- C trach DNA Anal Ql NAA+probe
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- probe-amp-tar
- CPT
- 86038
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
What This Test Measures
The test analyzes a portion of your DNA to identify the presence or absence of a particular genetic sequence tagged by a probe. This probe binds to specific DNA regions, allowing for detection of genetic variations or structural changes. The sample is processed to isolate and amplify these sequences for analysis.
How the Sample is Collected
For this test, a blood sample is typically drawn from a vein in your arm. If genetic material from another body fluid (like saliva) is used, a swab or oral sample may be collected instead. The sample is then sent to a lab for DNA extraction and analysis.
When This Test Might Be Ordered
Your healthcare provider may recommend this test if you have a family history of genetic disorders, symptoms suggestive of a genetic condition, or if you are undergoing preconception or prenatal genetic screening. It can also be used in research or diagnostic settings to study genetic traits.
Preparation for the Test
No special preparation is usually needed for a blood draw. However, if a saliva sample is used, you may be asked to avoid eating or drinking for a short period before collection. Follow any specific instructions provided by your healthcare team.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
DNA Probe Test
Frequently asked questions
Why might I need this test?
What does a positive result mean?
How long will it take to get my results?
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