Infectious Disease
Also known as: Anti-HBs, HBsAb
No common urgent flag from this test alone
This test checks how many special fighters your body has made to protect against the Hepatitis B virus. These fighters show that you are safe from the virus.
Your doctor orders this test to see if you are safe from Hepatitis B. This could be because you had the infection before. It could also be because you had a shot for it. The test helps confirm you are protected from the virus.
Reference ranges for Hepatitis B Surface Antibody can vary between different laboratories. A positive result generally indicates protection.
Clinical Reference
175932200086200Medicare covers for celiac disease evaluation
Educational purposes only — This information is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your lab results with your healthcare provider.