Genetic analysis of DNA from whole blood using a probe-based assay to detect specific nucleotide sequences
This test involves examining your blood DNA for particular genetic markers detected by a specialized probe. It may be used to screen for inherited conditions or genetic variations.
["This test helps identify specific genetic information from your blood that could relate to health risks or conditions."]
Key facts at a glance
- LOINC
- 70070-8
- Short code
- S anginosus DNA Spec Ql NAA+probe
- Synonyms
- S anginosus DNA Spec Ql NAA+probe
- Category
- coagulation
- 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
- 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 uses a probe—a small piece of DNA designed to bind to specific sequences in your blood DNA. When the probe finds its target sequence, it signals the presence of that genetic marker. This method is highly sensitive and can detect very small amounts of DNA fragments.
How the Test Works
Your blood sample is collected and processed to extract DNA. The extracted DNA is then mixed with the probe. If the probe matches a specific genetic sequence in your DNA, it binds and triggers a detectable signal, confirming the presence of that genetic marker.
Common Uses
This type of genetic testing is often used for screening purposes, such as detecting inherited conditions, genetic predispositions to diseases, or confirming genetic variations linked to certain traits or conditions.
Preparation
No special preparation is typically required for this test. You may be asked to fast or avoid certain medications, but this depends on the specific clinical reason for the test. Always follow your healthcare provider’s instructions.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Genetic testing like this can provide critical information about your health risks, help diagnose conditions early, or guide treatment plans. For example, it may identify inherited disorders, assess risks for certain cancers, or confirm genetic conditions suspected through other means. Results can influence decisions about family planning, lifestyle adjustments, or medical interventions.
Frequently asked questions
Why might my doctor order this test?
What does a positive result mean?
How long will it take to get 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