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Genomic DNA Analysis Using a Specific Probe for a Targeted Genetic Sequence (e.g., for mutation detection in a specific gene region)

Published: August 9, 2026Updated: August 16, 2026

This test involves analyzing a small sample of your DNA to check for specific genetic variations or mutations in a particular gene region. It may be used to confirm suspected genetic conditions or guide treatment decisions.

Quick summary

["This test helps identify specific genetic changes that may affect how your body functions or respond to treatments."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
106561-4
Short code
T palldm DNA Ur Ql NAA+probe
Synonyms
T palldm DNA Ur Ql NAA+probe
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may recommend this test if you have symptoms or a family history suggestive of a genetic disorder linked to the targeted gene region. It can also be used for research, carrier screening, or pre-symptomatic diagnosis in certain cases.

What to Expect Before the Test

You will likely provide a blood sample, which is processed to extract DNA. The test involves a specialized probe designed to detect specific sequences in your DNA. No special preparation is usually needed, but follow your provider’s instructions for fasting or avoiding certain medications if applicable.

During the Test Process

The DNA sample is analyzed using advanced laboratory techniques, such as polymerase chain reaction (PCR) or next-generation sequencing, to identify the presence of the targeted genetic sequence. Results are generated based on the presence or absence of the specific mutations or variations.

What the Results Mean

Results will indicate whether the targeted genetic sequence is present as expected or if there are variations (mutations) detected. A positive result for a known mutation may confirm a genetic diagnosis, while a negative result means no such mutation was found in this sample.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Genetic testing like this can provide critical information for diagnosing genetic disorders, assessing risk for inherited conditions, or guiding personalized treatment plans. It may also help family members understand their risk of passing on the genetic trait, enabling proactive management or preventive measures.

Frequently asked questions

What does a positive result mean?
A positive result indicates the presence of a specific genetic variation or mutation in the sample analyzed. This may confirm a suspected genetic condition, influence treatment decisions, or help determine if you are a carrier of a genetic trait that could affect future generations.
How long does it take to get results?
Results typically take 1 to 4 weeks, depending on the complexity of the test and laboratory processing times. Your healthcare provider will contact you once results are available.
Can I fast before this test?
No fasting is required for this test, as it involves analyzing DNA from a blood sample. However, always follow your provider’s specific instructions to ensure accurate results.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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