Also known as: HBsAg, hep B test.
What the Hepatitis B Surface Antigen test measures
A protein on the surface of the hepatitis B virus.
Typical reference range
Reported as reactive (positive) or non-reactive (negative). Reference ranges differ between laboratories and depend on age, sex, and other factors, so always compare your result with the range printed on your own report. This page is for orientation only and is not medical advice.
Why a Hepatitis B Surface Antigen is ordered
- Screening for hepatitis B
- Checking status before treatment or pregnancy
What to track
- Result and date
- Any follow-up liver tests
- Vaccination or care-plan notes
How Hamdosh helps with Hepatitis B Surface Antigen results
Lab values only tell a story when you can see them over time. Upload each Hepatitis B Surface Antigen report to Hamdosh and it's read with per-field confidence OCR, attached to the right family member, and plotted on one timeline — alongside the medications and visits that surround it. Everything is encrypted at rest, and search is one tap away: "show my Hepatitis B Surface Antigen history."