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Serum/Plasma Probe-Based Nucleotide Analysis for Viral RNA (e.g., Hepatitis, Coronavirus)

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

This test detects specific genetic material (RNA) from certain viruses in your blood or plasma. It helps identify infections that may not be detected by other tests.

Quick summary

["This test can help diagnose viral infections early and guide treatment decisions."]

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

Key facts at a glance

LOINC
85512-2
Short code
HDV RNA SerPl NAA+probe-aCnc
Synonyms
HDV RNA SerPl NAA+probe-aCnc
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

The test uses a specialized probe to identify unique sequences of viral RNA in your serum or plasma. This RNA is a genetic fingerprint of the virus, allowing healthcare providers to confirm or rule out infections like hepatitis or respiratory viruses.

How the Test Works

A small sample of your blood (serum or plasma) is collected and analyzed using advanced molecular techniques. The probe binds to viral RNA if present, triggering a detectable signal that confirms infection.

Common Uses

This test is often used in clinical settings to diagnose acute or chronic viral infections, monitor treatment responses, or screen for viral exposure in high-risk populations.

Preparation for the Test

No special preparation is needed. You may have a standard blood draw, and results are typically available within a few days depending on lab processing.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Viral RNA Screening

Frequently asked questions

Why might I need this test?
Your healthcare provider may recommend this test if you have symptoms of a viral infection, have been exposed to a known virus, or if you are at higher risk for certain viral diseases.
What does a positive result mean?
A positive result means the test detected viral RNA in your blood or plasma, indicating an active infection. This does not always mean you are contagious, but it confirms the presence of the virus and may guide further medical care.
How long will it take to get results?
Results are typically available within 2 to 5 business days, depending on the laboratory’s workflow and any follow-up testing required.
  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