BeWellAsia
Infections STI

Hepatitis B Surface Antibody (HBsAb, Anti-HBs)

฿273.00

Measures antibodies against the hepatitis B surface protein (anti-HBs). A positive result usually means immunity from vaccination or past infection.

Blood
15 min at lab
Results: 1 day

Typical Use

Checks whether someone is protected against hepatitis B, e.g., after vaccination, after recovery, or during screening. Interpreted alongside other hepatitis B markers.

Preparation

Wear clothing that allows easy access to your arm
Arrive well-hydrated
Continue regular medications unless advised otherwise by your doctor
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