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Serum or Plasma Viral RNA (e.g., Hepatitis C Virus)

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

This test detects the presence of genetic material from the Hepatitis C Virus in your blood. It helps determine if you have an active infection and how well your body is responding to treatment.

Quick summary

["This test is critical for diagnosing and managing Hepatitis C."]

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

Key facts at a glance

LOINC
49758-6
Short code
HCV RNA SerPl NAA DL=5-aCnc
Synonyms
HCV RNA SerPl NAA DL=5-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-detection-limit-iu-ml
CPT
86803
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

Why This Test Matters for Your Health

Hepatitis C is a bloodborne virus that can cause liver damage over time. Detecting its presence early allows for prompt treatment to prevent long-term complications like cirrhosis or liver cancer. This test is often used alongside other diagnostic tools to confirm infection and monitor treatment effectiveness.

What to Expect During the Test

A healthcare provider will collect a blood sample from a vein in your arm. The sample is then sent to a lab where viral RNA is tested for using advanced molecular techniques. You may feel a slight pinch when the needle is inserted, but the procedure usually takes less than five minutes.

Preparation and Timing

No special preparation is needed for this test. You can eat and drink normally before your blood draw. Results may take several days to a week to be processed, depending on lab workload and urgency.

What the Results Mean

Positive results indicate the presence of Hepatitis C virus RNA, confirming an active infection. Negative results mean the virus is not detected in your sample at the time of testing. Follow-up testing or additional information from your healthcare provider may be needed to interpret results fully.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

HCV RNA (Serum/Plasma)

Frequently asked questions

How often should I get this test if I have Hepatitis C?
If you have Hepatitis C, your healthcare provider will determine the frequency of testing based on your treatment plan and response to therapy. Typically, follow-up tests may occur every few months during treatment to check viral load levels and adjust medication as needed.
Can I still get this test if I’m pregnant?
Yes, this test can be performed safely during pregnancy. Hepatitis C can affect both mother and baby, so early detection is crucial. Always inform your healthcare provider about any medical conditions or medications you’re taking, including prenatal care.
What if my test results are positive but I don’t feel sick?
A positive result means you have an active Hepatitis C infection, even if you don’t have symptoms. Many people with Hepatitis C are asymptomatic, so early detection is key. Your healthcare provider will work with you to develop a treatment plan tailored to your needs.
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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