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RNA species profiling by probe-based hybridization (e.g., for viral RNA detection)

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

This test checks for specific RNA sequences in your sample, often used to detect viruses like COVID-19, hepatitis, or other pathogens.

Quick summary

["It helps identify infections by detecting unique viral RNA fragments in your specimen."]

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

Key facts at a glance

LOINC
40988-8
Short code
RSV RNA Spec Ql NAA+probe
Synonyms
RSV RNA Spec 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
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

This test analyzes RNA fragments from certain viruses using a specialized probe. It looks for unique genetic sequences that are characteristic of specific pathogens. The probe binds to these sequences if they are present, allowing for detection.

How the Test Works

The test involves collecting a biological sample (often serum, plasma, or respiratory fluid) and processing it to extract RNA. The RNA is then exposed to probes designed to match sequences from known viruses. If the virus is present, the probe binds to its RNA, triggering a detectable signal.

Common Uses

This type of test is commonly used for diagnosing viral infections, including respiratory viruses (e.g., COVID-19), hepatitis viruses, or other pathogens where RNA-based detection is reliable.

Sample Collection

You may need to provide a nasal or throat swab, blood sample, or other bodily fluid depending on the virus being tested. Your healthcare provider will guide you on how to collect the sample correctly.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

RNA profiling is highly sensitive for detecting viral infections early in the disease process. It can confirm suspected infections that may not be detected by other methods, such as culture or antibody tests. This can be crucial for guiding treatment decisions and managing outbreaks in healthcare settings.

Short name

Viral RNA Profile (Qualitative)

Frequently asked questions

Why might I need this test?
Your doctor may recommend this test if you have symptoms of a viral infection, such as fever, cough, or fatigue, and suspect a viral cause. It’s also used in screening for certain viruses, especially in high-risk groups or during outbreaks.
How long does it take to get results?
Results are typically available within a few hours to a couple of days, depending on the laboratory and the volume of tests being processed.
Can I take anything special before the test?
No special preparations are usually needed, but follow your healthcare provider’s instructions regarding fasting or other restrictions that may apply to your specific test.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

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