Mountain West · HIV 4th Generation Antigen/Antibody Test
HIV 4th Generation Antigen/Antibody Test in Colorado
HIV 4th Generation Antigen/Antibody Test can be ordered without a referral, and this guide covers what to expect. The HIV 4th Generation Antigen/Antibody Test detects both HIV antibodies and the P24 antigen for early detection of HIV infection.
What this test is
This test is designed to identify HIV infection by detecting both antibodies and the P24 antigen. It is more advanced than earlier generations, which only detect antibodies. The test can identify HIV infection earlier than tests that only detect antibodies.
What it measures
- HIV antibodies — indicates the body's immune response to HIV
- P24 antigen — reflects early HIV infection
What the test involves
The test involves a standard blood draw, typically from a vein in your arm. The sample is then analyzed in a laboratory setting.
Why it is often ordered
A clinician may order this test to screen for HIV infection, especially if early detection is important. It can also be used to confirm an HIV diagnosis.
Preparation
Preparation instructions should be obtained from the lab conducting the test. It's important to follow their specific guidelines.
How results are reported
Results are typically reported as either reactive or non-reactive. Reference ranges and result interpretations can vary by laboratory.
Before you go
- Turnaround time for results
- Specific preparation instructions
- Location for sample collection
Cities
HIV 4th Generation Antigen/Antibody Test in Colorado communities
Choose your city for local context and to request this test.