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Hepatitis C Virus RNA, Plasma (Quantitative)

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

This test measures the amount of Hepatitis C Virus (HCV) genetic material in your plasma. It helps determine whether you have an active infection and guides treatment decisions.

Quick summary

["This test checks for active Hepatitis C virus in your blood."]

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

Key facts at a glance

LOINC
104755-4
Short code
HCV RNA SerPl-Log#
Synonyms
HCV RNA SerPl-Log#
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 Is Done

Your healthcare provider may order this test if you have risk factors for Hepatitis C, such as exposure to contaminated blood, long-term intravenous drug use, or a history of blood transfusions before 1992. It may also be used to monitor treatment progress or check for recurrence after treatment.

What to Expect Before the Test

No special preparation is needed. You may have a small needle inserted into your arm or vein to draw a blood sample. If you’re nervous, let your healthcare provider know so they can provide reassurance or additional support.

What the Test Results Mean

A positive result means you have detectable HCV RNA, indicating an active infection. A negative result suggests no active virus is present. Results are reported in viral load units (e.g., IU/mL), but exact values are interpreted by your doctor based on your clinical situation.

How Treatment Affects Results

If you’re undergoing treatment for Hepatitis C, your viral load may decrease over time. Regular testing helps track response to therapy and adjust treatment as needed.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Hepatitis C Virus RNA Testing

Short name

HCV RNA (Plasma)

Frequently asked questions

What does a positive HCV RNA test mean?
A positive HCV RNA test confirms an active Hepatitis C infection. This means the virus is actively replicating in your body and requires medical attention. Treatment can help clear the virus and reduce liver damage.
How often should I get this test if I’m being treated for Hepatitis C?
Your doctor will determine the frequency of testing based on your treatment plan. Typically, follow-up tests may occur every few months during therapy to monitor viral load reduction.
Can I still transmit Hepatitis C if my HCV RNA test is negative?
Yes, if your HCV RNA test is negative, it means the virus is not detectable in your blood at the time of testing. However, if you were recently infected, you may still be able to transmit the virus. Always practice safe behaviors to prevent spread, even if test results are negative.
  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