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Quantitative measurement of nucleic acids in plasma using a probe-based assay (e.g., for viral RNA detection)

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

This test detects specific genetic material (such as viral RNA) in your blood plasma using a specialized probe. It may be used to monitor infections or other conditions requiring nucleic acid analysis.

Quick summary

["This test helps identify infections or genetic conditions by checking for specific genetic material in your blood."]

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

Key facts at a glance

LOINC
105679-5
Short code
S. equinus DNA Spec Ql NAA+probe
Synonyms
S. equinus 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

How the Test Works

Your blood sample is processed to separate plasma, where a probe targets and measures specific nucleic acids. The result indicates the presence or concentration of these molecules, often used to confirm infections or assess disease activity.

Common Uses

This test is commonly used for diagnosing viral infections (e.g., COVID-19, hepatitis), detecting genetic mutations, or monitoring conditions like certain cancers or autoimmune diseases.

Sample Collection

A blood sample is drawn from a vein, typically in your arm. The plasma portion is analyzed for nucleic acids using a probe-based method, which may require refrigerated storage until testing.

What to Expect Before the Test

No special preparation is usually needed, but inform your healthcare provider about medications, recent illnesses, or conditions that might affect results.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Nucleic Acid Probe Test (Plasma)

Frequently asked questions

Will this test show up on routine blood tests?
No, this test specifically targets nucleic acids (e.g., viral RNA) and is not a standard blood chemistry or complete blood count test. It is a specialized probe-based assay for genetic material.
How long does it take to get results?
Results are typically available within 24 to 72 hours, depending on lab processing times and testing volume. Your healthcare provider will discuss this with you during your visit.
Can I drink alcohol before this test?
Alcohol use may not directly affect this test, as it focuses on nucleic acids rather than blood chemistry. However, inform your provider if you have any concerns about medications or conditions that could influence results.
  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