HIV-1 RNA Viral Load by PCR
Private HIV-1 RNA Viral Load PCR testing in London for £256.99, measuring HIV-1 viraemia with results expected in around 2 days.
Turnaround time
2 business days
Biomarkers count
1
Book your test
Choose Service Type
Professional phlebotomist comes to you
+ £{{ home_visit_fee }}
Visit our clinic for your test
{{ clinic_visit_fee > 0 ? '+ £' + clinic_visit_fee : 'Free' }}
Home Visit Details
Home visits require at least 24 hours notice.
Select a clinic: Sorting by distance…
{{ clinicAddress(clinic) }}
{{ clinicAddress(selectedClinic) }}
Select a date
Select an hour
Available time slots: {{ timeSlots.length}}
Overview of the HIV-1 RNA Viral Load by PCR Test
The HIV-1 RNA Viral Load by PCR test measures the amount of HIV-1 RNA circulating in the blood.
The test contains 1 biomarker: HIV-1 RNA Viral Load by PCR.
This test is different from routine HIV screening.
A fourth-generation HIV screening test is designed primarily to determine whether HIV infection is present by detecting HIV antibodies and p24 antigen.
An HIV-1 viral-load test quantifies viral RNA and is principally used to assess the amount of virus circulating in a person with established or strongly suspected HIV-1 infection.
Viral load is one of the most important laboratory markers used in HIV care.
Before treatment, it provides information about the level of viraemia.
After antiretroviral therapy begins, viral load is monitored to establish whether treatment is suppressing viral replication effectively.
Successful modern antiretroviral therapy can reduce HIV RNA to below the quantification or detection threshold of the assay.
Maintaining an undetectable viral load is associated with excellent treatment outcomes and prevents sexual transmission of HIV when sustained, forming the basis of Undetectable = Untransmittable, or U=U.
Viral load can also be useful where acute HIV infection is strongly suspected but routine serology is not yet fully diagnostic.
However, this should occur within an appropriate diagnostic pathway because HIV viral load alone is not the standard screening test for most people seeking routine reassurance after exposure.
This product measures HIV-1 and should not be assumed to provide equivalent quantification of HIV-2.
What Does the HIV-1 RNA Viral Load by PCR Test Check?
The test uses molecular amplification to detect and quantify HIV-1 RNA circulating in plasma. This test measures 1 biomarker.
HIV-1 RNA Viral Load by PCR
Detects and quantifies HIV-1 RNA in the blood to assess viraemia, treatment response and viral suppression.
Who May Benefit From the HIV-1 RNA Viral Load by PCR Test?
HIV-1 viral-load testing is primarily intended for people with known HIV-1 infection or those undergoing specialist assessment where direct measurement of viral RNA is clinically appropriate.
People with diagnosed HIV-1 infection - Viral load is central to routine HIV treatment monitoring.
People starting antiretroviral therapy - Baseline and follow-up measurements help demonstrate treatment response.
People whose HIV treatment has recently changed - Repeat viral load can assess whether the revised regimen is suppressing viral replication.
People with previously undetectable viral load who have a new detectable result - Repeat testing and adherence review may be appropriate.
People with suspected treatment failure - Persistent viraemia can prompt adherence assessment and resistance investigation.
People with suspected acute HIV infection under specialist assessment - HIV RNA can become detectable before conventional serology is fully established.
People requiring confirmation of ongoing viral suppression - Quantitative PCR provides objective measurement of viraemia.
People specifically advised to have a viral load by an HIV clinician - The result is most useful when interpreted within specialist care.
How to Prepare
Do not stop antiretroviral therapy before testing in an attempt to obtain an untreated viral-load measurement.
Interrupting effective HIV treatment can allow viral replication to rebound and should only occur under specialist medical direction.
Symptoms and Reasons to Consider the HIV-1 RNA Viral Load by PCR Test
Viral-load testing is usually driven by diagnosis and treatment monitoring rather than symptoms alone.
Known HIV-1 infection requiring routine monitoring - Viral load demonstrates how effectively antiretroviral therapy is suppressing the virus.
A recent change in HIV treatment - Repeat testing can assess the response to the new regimen.
Concern about missed medication or adherence difficulties - Persistent viraemia can develop when treatment is not taken consistently.
A previously undetectable result followed by detectable HIV RNA - The pattern may require repeat testing and specialist review.
Suspected acute HIV infection with inconclusive early serology - HIV RNA can provide additional diagnostic information.
Symptoms of primary HIV following a recent significant exposure - Molecular testing may be used alongside fourth-generation serology in specialist assessment.
Symptoms cannot determine a person's HIV viral load.
Anyone with newly suspected or confirmed HIV should have access to specialist HIV care rather than attempting to manage viral-load results independently.
How to Book Your HIV-1 RNA Viral Load by PCR Test
The HIV-1 RNA Viral Load by PCR test can be booked privately for quantitative molecular monitoring of HIV-1.
Choose the HIV-1 RNA Viral Load by PCR
Select the individual HIV-1 viral-load test online.
Select your sample collection option
Choose an appropriate clinic or professional blood-collection pathway capable of meeting molecular virology sample requirements.
Attend your appointment
A trained healthcare professional collects the required EDTA blood specimens.
Laboratory analysis
Plasma is analysed using PCR to detect and quantify HIV-1 RNA.
Receive your results securely
Your authorised viral-load result is delivered securely and should be reviewed within an appropriate HIV-care pathway.
When Will I Receive My Results?
The current London Blood Tests turnaround for HIV-1 RNA Viral Load by PCR is approximately 2 days after the required samples reach the laboratory.
Viral-load testing requires specialist molecular virology analysis.
The sample undergoes plasma preparation, RNA amplification, quantification, laboratory quality control and result authorisation.
Turnaround starts from laboratory receipt rather than necessarily from the exact time the blood was collected.
A specimen that does not meet molecular sample requirements may require recollection.
If a previously suppressed patient has a new significant viral-load increase, additional resistance or treatment investigations may subsequently be required.
Understanding Your Results
The result is usually reported as the number of HIV-1 RNA copies per millilitre of plasma, often together with a logarithmic value.
A higher viral load indicates more circulating HIV-1 RNA.
After effective antiretroviral therapy begins, viral load should fall substantially.
An undetectable or unquantifiable result means HIV RNA is below the relevant assay threshold.
The exact reporting language depends on the laboratory method.
A low-level detectable result does not automatically mean treatment failure. Small transient increases can occur and may require repeat testing.
Persistent or substantially rising viraemia requires specialist review of adherence, drug interactions and potentially antiviral resistance.
For people on effective treatment, sustained viral suppression is the central goal of therapy.
Viral load should always be interpreted with treatment history and, where relevant, CD4 or Lymphocyte Subset measurements.
Why Book With London Blood Tests?
London Blood Tests provides confidential private access to quantitative HIV-1 molecular monitoring.
Quantitative HIV-1 RNA measurement - Measures the amount of virus circulating in the blood.
Essential treatment-monitoring marker - Demonstrates whether antiretroviral therapy is suppressing viral replication.
Useful after treatment changes - Can assess the virological response to a new regimen.
Relevant to suspected treatment failure - Persistent viraemia can guide further specialist investigation.
Molecular PCR technology - Detects viral RNA directly.
Confidential private testing - Results are delivered securely.
Specialist laboratory processing - Samples undergo dedicated molecular virology analysis.
Clear pricing - The HIV-1 RNA Viral Load by PCR test costs £256.99.
Private HIV-1 RNA Viral Load by PCR Test in London
London Blood Tests provides private HIV-1 RNA viral-load testing in London for people requiring quantitative monitoring of HIV-1 viraemia.
The test costs £256.99 and measures 1 biomarker.
Results are currently expected approximately 2 days after laboratory receipt.
This test is primarily a monitoring and specialist diagnostic assay rather than the standard first-line screening test for routine HIV status checks.