Hepatitis B Surface Antibody Immunity, Quantitative
Fasting Required: No

Specimen: Blood

Lab: Quest Diagnostics

Results: 3-5 business days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Description: Hepatitis B surface antibody (anti-HBs), quantitative levels are measured to determine if vaccination is needed and determine if protective immunity has been achieved. The result is given a numerical value. Transfused individuals or hemophiliacs receiving plasma may give false positive tests.

Clinical Significance: This assay is used to determine immune status for Hepatitis B as =10 mIU/mL as per CDC Guidelines.