Hepatitis B Surface Antigen (HBsAg)

฿162.00

Measures hepatitis B surface antigen (HBsAg). Detecting this antigen usually means a current hepatitis B infection is present.

Blood
15 min at lab
Results: 1 day

Typical Use

Used to screen for active hepatitis B (acute or chronic), such as during pregnancy, blood donation, abnormal liver tests, or after a known exposure.

Preparation

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