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Hepatitis C Virus RNA, Plasma/Serum

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

This test checks for the presence of Hepatitis C virus RNA in your blood, which helps determine if you have an active infection.

Quick summary

["It’s used to confirm or monitor Hepatitis C virus levels over time."]

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

Key facts at a glance

LOINC
104715-8
Short code
HCV RNA SerPl Ql
Synonyms
HCV RNA SerPl Ql
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
molgen
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

Hepatitis C is a bloodborne virus that can cause long-term liver damage if untreated. Detecting the virus early allows for timely treatment to manage infection and prevent complications like cirrhosis or liver cancer.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample, usually drawn from your arm. The sample is collected in a tube and sent to the lab for analysis.

How the Test Works

The test uses a molecular method (likely polymerase chain reaction, or PCR) to detect genetic material from the Hepatitis C virus in your plasma or serum. This helps confirm whether the virus is actively replicating in your body.

What the Results Mean

A positive result means the virus is present in your blood, indicating an active Hepatitis C infection. A negative result suggests no detectable virus at the time of testing. Follow-up testing may be needed to confirm or monitor the infection.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Hepatitis C Virus RNA Testing

Short name

HCV RNA

Frequently asked questions

How often should I get this test?
If you have an active Hepatitis C infection, your healthcare provider may recommend regular testing (e.g., every 3–6 months) to monitor viral load and treatment response. If you’re at risk (e.g., past exposure, blood transfusions before 1992) or have unexplained liver issues, they may order this test as part of screening.
What does a high or low viral load mean?
A high viral load (many virus copies) may indicate a more aggressive infection or resistance to treatment. A low viral load could mean the infection is less active or responding to treatment. Your doctor will interpret results in the context of your overall health and treatment plan.
Can I stop taking my Hepatitis C medication if my viral load is low?
No. Even if your viral load is low, an active infection may persist. Treatment is essential to clear the virus and prevent long-term liver damage. Always follow your healthcare provider’s guidance.
  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