This test measures Hepatitis B surface antibodies. The presence of HBsAb indicates clinical recovery from acute or chronic HBV infection or acquired immunity from HBV vaccination.
Hey Practitioners! 
Join Dr. Chris Magryta and Dr. Erik Lundquist for a comprehensive 6-week course on evaluating functional medicine labs from two perspectives: adult and pediatric. In this course, you’ll explore the convergence of lab results across different diseases and age groups, understanding how human lab values vary on a continuum influenced by age, genetics, and time. Register here.
Register Here
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