HBsAg Positive: Results of a Hepatitis B Blood Test
Dec 19, 2025 · The HBsAg blood test detects hepatitis B. If you're positive, you are infectious. Learn about how the test is done and what the results mean.
Hepatitis B Foundation: Hepatitis B Blood Tests
HBsAg (Hepatitis B surface antigen) - A "positive" or "reactive" HBsAg test result indicates that a person is infected with hepatitis B. This test can detect the presence of the hepatitis B virus (called the …
Hepatitis B Surface Antigen (HBsAg) Screen - Cleveland Clinic
Jun 4, 2025 · HBsAg screening is a blood test that tells you if you have a hepatitis B virus infection. Your healthcare provider takes a blood sample from a vein in your arm.
Clinical Testing and Diagnosis for Hepatitis B
Jan 31, 2025 · HBsAg: HBsAg is a protein on the surface of HBV that can be detected in high levels in serum during acute or chronic HBV infection. The presence of HBsAg indicates that the person is …
HBsAg Test - Purpose, Results, Normal Range, and more
Learn about the HBsAg Test, its purpose, uses, normal values, test results interpretation, and more for a better understanding of your health.
HBsAg Test – Its Purpose, Procedure, Normal Range, Results
Sep 4, 2025 · What is the HBsAg Test? The HBsAg test, also known as the Hepatitis B Surface Antigen Test, is a blood test used to detect the Hepatitis B virus (HBV). The test specifically identifies the …
What Is the HBsAg Test and What Do Results Mean?
Aug 21, 2025 · The HBsAg test is a common diagnostic tool used to identify the presence of the Hepatitis B virus (HBV). This test specifically looks for Hepatitis B surface antigen, a marker …