A hepatitis B nonreactive test result can mean a person is not immune to the virus. Learn how the test works, how to interpret the results, and the next steps.

What is a hepatitis B surface antigen and why do doctors test for it? Read on to learn more about this blood test, including why doctors test for it and how to interpret test results.

Test results for hepatitis B can seem confusing, but they don't have to be. Let's review what the presence or absence or these antibodies means for you: ...