Hepatitis C (HCV) is a viral infection that primarily attacks the liver, causing inflammation and potentially leading to chronic liver disease, cirrhosis, or liver cancer. It is caused by the hepatitis C virus (HCV) and is transmitted through contact with infected blood.
Hepatitis C virus (HCV) viral load testing
The HCV viral load measures the amount of HCV RNA in the blood, indicating active infection and helping guide treatment decisions.
As Oak Diagnostic Center in Arua we’re always striving to bring you the latest and most advanced diagnostic state-of-the art Molecular Biology technologies.
Purpose of Hepatitis C Viral Load Testing
- Confirm active HCV infection (since antibody tests only show past exposure).
- Monitor treatment effectiveness (e.g., during direct-acting antiviral (DAA) therapy).
- Determine cure (Sustained Virologic Response, SVR) after treatment.
- Detect relapse or reinfection in previously treated patients.
Interpreting Results
- Detectable Viral Load (Positive): Active HCV infection.
- Undetectable Viral Load (Negative): No HCV RNA found (may indicate spontaneous clearance or successful treatment).
- High Viral Load: Does not necessarily mean severe disease but helps assess treatment duration in some cases.
How is Viral Load Measured?
Test Type: Quantitative HCV RNA PCR test (most accurate).
Units: Reported in international units per milliliter (IU/mL).
Detection Limits: Our modern test can detect as few as 10-15 IU/mL.
What Do Your Results Mean?
| Result | Interpretation |
|---|---|
| Detectable (e.g., 500,000 IU/mL) | Active HCV infection; treatment may be needed. |
| Undetectable (<15 IU/mL) | Virus is not found in blood (may indicate cure if after treatment). |
| Low Viral Load (e.g., 1,000 IU/mL) | Still requires treatment; does not mean mild disease. |
| High Viral Load (e.g., 10,000,000 IU/mL) | Does not necessarily mean worse liver damage. |
Key Takeaways
- Viral load ≠ liver damage (a separate test like FibroScan or biopsy assesses liver health).
- Successful treatment leads to SVR12 (undetectable viral load 12 weeks post-treatment).
