hepatitis B surface antibody (HBsAb) in serum
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Etiology
- exposure to hepatitis B virus with subsequent development of immunity
- successful hepatitis B vaccination
Clinical significance
- presence of HBsAb indicates immunity
- rises with disappearance of HBcAg IgM with development of immunity
- lags behind disappearance of HBsAg
- does not appear in chronic hepatitis B
- appears after successful hepatitis B vaccination
- a quantitative value of > 10 mIU/mL implies immunity
More general terms
More specific terms
Additional terms
References
- ↑ Laboratory Medicine: Test Selection & Interpretation. Howanitz & Howanitz (eds), Churchill Livingstone, NY, 1991, pg 818-19
- ↑ Medical Knowledge Self Assessment Program (MKSAP) 15, American College of Physicians, Philadelphia 2009
- ↑ Hepatitis B Surface Antibody Laboratory Test Directory ARUP: http://www.aruplab.com/guides/ug/tests/0020090.jsp
- ↑ Panel of 5 tests Laboratory Test Directory ARUP: http://www.aruplab.com/guides/ug/tests/0020454.jsp