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Hepatitis B Surface Antibody, Quantitative

Item Value
Approval req'd? No
Available Stat? No
Test code HBABQ
Test group Hepatitis
Performed by Immunology
In House Availability Monday-Friday day shift
Method Microparticle Chemiluminescent Immunoassay
Container type Gold top or Red top
Amount to Collect 1 mL blood
Sample type Serum
Preferred volume 0.5 mL serum
Processing notes Refrigerate serum
Units mIU/mL
Normal range
< 8 mIU/mL Not immune
8-11 mIU/mL Equivocal, questionable immunity
≥ 12 mmIU/mL Immune
Synonyms HBsAb; Hep B Surface Ab; HBV;. anti-HBs; anti-HBsAg; surface antibody
Stability Refrigerated 1 week
Turn around times 1-3 days
Additional information HBsAb is a marker of immunity to HBV infection, either by prior exposure to the virus or immunization with Hepatitis B vaccine. This assay reports the quantitative amount of antiviral antibodies present. Values greater than 10 mIU/mL are considered adequate for protection from viral infection. Results should be interpreted as follows:



Equivocal results may be seen in individuals with adequate immunity; however, clinical correlation is required. All initially equivocal results are repeated in duplicate to confirm. Repeat testing could be performed in individuals with a recent vaccination history.
CPT coding 86317
Last Updated 6/20/2016 2:35:56 PM
Entry Number 1588
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