HIV-1 RNA Viral Load by Real-Time Polymerase Chain Reaction (PCR) in Plasma
This test measures the amount of HIV-1 genetic material (RNA) in your blood plasma to help track how well your treatment is working and monitor your viral load.
["This test helps doctors manage HIV treatment by checking how much virus is present in your blood."]
Key facts at a glance
- LOINC
- 10351-5
- Short code
- HIV1 RNA SerPl Probe amp-aCnc
- Synonyms
- HIV1 RNA SerPl Probe amp-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
- CPT
- 86701
- 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 to monitor your response to HIV treatment, assess whether your medication is effective, or check for viral resistance. It’s often used during the initial diagnosis and regularly throughout treatment to ensure your viral load stays low.
What to Expect Before the Test
No special preparation is needed. You’ll provide a blood sample, usually drawn from a vein in your arm. The blood is processed to separate plasma, which is then tested for HIV-1 RNA.
What the Test Results Mean
Results are typically reported as the number of HIV-1 RNA copies per milliliter (copies/mL) of plasma. A very low viral load (often below 50–75 copies/mL) usually means your treatment is working well. If the viral load is high, it may indicate treatment failure or resistance.
How This Test Affects Your Care
Your healthcare provider will use these results to adjust your treatment plan, such as changing medications or dosages if needed. Regular testing helps prevent viral resistance and ensures you stay healthy while managing HIV.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: Monitoring HIV Treatment Effectiveness
Short name
HIV RNA Viral Load
Frequently asked questions
How often should I get this test?
What does a high viral load mean?
Can lifestyle changes affect this test result?
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