also known as HIV 1 p24 Ag in Serum or Plasma by Neutralization test
The HIV 4th Generation Test is an advanced, highly accurate screening method that detects HIV earlier than traditional tests by identifying both HIV antibodies and the p24 antigen, one of the earliest markers of infection. Because it captures infections during the earliest and most infectious stage, the 4th generation test is the preferred choice for timely diagnosis, informed decision-making, and protecting your long-term health. Why Choose the 4th Generation HIV Test? This advanced blood test identifies both HIV antibodies and the p24 antigen, allowing it to detect HIV 4–12 days earlier than older 3rd-generation tests. That means you get answers sooner — and peace of mind faster. How the Test Works, and Why It’s More Accurate: Unlike older tests that only look for the body’s antibody response, this test detects two key markers: 1. HIV Antibodies: These are proteins your immune system creates in response to the virus. Antibodies take time to develop, which is why older tests required longer waiting periods. 2. HIV p24 Antigen: This is a viral protein produced in high amounts shortly after infection — often before antibodies are detectable. The presence of p24 allows this test to catch infections during the earliest and most infectious stage. By combining these markers, the 4th generation test offers the broadest detection window and the strongest early-detection capability available in routine HIV screening. Know the Symptoms (But Don’t Wait for Them): HIV can begin with mild, flu-like symptoms, or sometimes no symptoms at all. If you’ve had a potential exposure, testing is the only way to know. Early (Acute) HIV Symptoms May Include: Fever, sore throat, headache Chills or night sweats Swollen lymph nodes Joint or muscle pain Rash Diarrhea Mouth or genital ulcers Chronic HIV Symptoms May Include: Ongoing fever Fatigue Diarrhea Weight loss Coughing or shortness of breath Swollen lymph nodes Without treatment, HIV can progress over years to AIDS, which includes more severe symptoms such as persistent fever, chronic diarrhea, rapid weight loss, and mouth lesions. Who Should Consider This Test? You may benefit from the 4th Generation HIV Test if: You have had multiple or new sexual partners You are entering a new relationship and both partners want a comprehensive check You have had unprotected sex and want broad testing in one visit You want STD screenings without scheduling a doctor’s visit first 110% Price Guarantee! If you find the same test for a lower price from a comparable provider, contact us. We not only match the price, we beat it by an additional 10 percent of the difference. View All STD Tests