Hepatitis C Virus Genotype by Blood DNA Probe
This test detects the specific genetic type (genotype) of the Hepatitis C Virus present in your blood. It helps healthcare providers determine the most effective treatment plan for you.
["Knowing your HCV genotype helps guide treatment choices and monitor your response to therapy."]
Key facts at a glance
- LOINC
- 48574-8
- Short code
- HCV Gentyp Bld NAA+probe
- Synonyms
- HCV Gentyp Bld NAA+probe
- Category
- chemistry
- Sample
- whole-blood
- Container
- Lavender-top (EDTA)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- probe-amp-tar
- CPT
- 86803
- Specimen volume
- 3 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
Why This Test Matters for Your Health
Hepatitis C is a bloodborne virus that can cause long-term liver damage if untreated. Identifying your genotype is crucial because different genotypes respond differently to antiviral medications, and some may require longer or more intensive treatment courses.
How the Test Works
This test uses a DNA probe to identify the specific genetic sequence of the Hepatitis C Virus in your blood. A small sample of your blood is collected and analyzed to determine which of the seven known genotypes you have. The probe binds to the viral DNA, allowing for precise identification.
Sample Collection and Preparation
A blood sample is drawn from a vein, typically in your arm. The sample is processed in a lab and tested for the presence of Hepatitis C Virus DNA. This test does not require fasting or special preparation beyond standard blood draw procedures.
What to Expect Before the Test
No special preparation is needed for this test. You may experience mild discomfort or bruising at the injection site, but this usually resolves quickly. If you are pregnant, have a bleeding disorder, or are on blood-thinning medication, inform your healthcare provider before the test.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Genotyping is essential for tailoring treatment to your specific HCV genotype. Different genotypes may require different antiviral medications or combinations of medications. Accurate genotyping ensures you receive the most effective and targeted treatment, improving your chances of cure and reducing the risk of liver complications.
Short name
HCV Genotyping (DNA Probe)
Frequently asked questions
What does a positive result mean?
How long does it take to get results?
Can I have the same test done at home?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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