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Hepatitis B screening (serology)

Infectious Disease

Risk-basedBased on risk (and during pregnancy)5–10 minutes

Hepatitis B screening checks for infection and immunity and helps guide vaccination and care.

Guidance for your location

Location
Country
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Region-specific program details are not available for this location yet, but you can still use the general profile information.
Recommended Age
Risk-based
Frequency
Based on risk (and during pregnancy)
Duration
5–10 minutes

Overview

Hepatitis B can cause chronic liver infection and long-term complications. Screening typically uses a set of blood tests to check for current infection and immunity (from vaccination or past infection). Screening is commonly included in prenatal care and is also recommended for certain risk groups.

Who Should Get This Screening

  • Pregnant people (commonly screened as part of routine prenatal bloodwork).
  • People with risk factors such as sexual exposure risk, needle sharing, or household/close contact exposure.
  • People born in or with parents from regions with higher hepatitis B prevalence (clinician-guided).
  • People starting immunosuppressive therapy may need screening (clinician-guided).

What to Expect

A blood sample is taken. Common tests include hepatitis B surface antigen (HBsAg) and antibodies to determine infection and immunity status.

How to Prepare

Follow these tips to prepare for your screening

  • No special preparation.

Benefits

  • Identifies chronic infection that may need monitoring or treatment.
  • Clarifies immunity and supports vaccination planning.
  • Reduces risk of transmission with appropriate care.

Things to Consider

  • Minor discomfort or bruising from blood draw.
  • Interpreting results can be nuanced; follow-up testing may be needed.

Guideline Source: Hepatitis B screening guidance (risk-based; prenatal labs)

This information is provided for educational purposes only and should not replace professional medical advice. Always consult with your healthcare provider for personalized recommendations.