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Hepatitis B in primary care: who to test, how to interpret, when to refer

A detailed Australian summary of hepatitis b in primary care: who to test, how to interpret, when to refer, with source-attributed priorities, a practical workflow, safety escalation and state or territory implementation boundaries.

JurisdictionAustralia
Source check2026-08-20
Clinical reviewiatroX editorial team 路 Clinical editorial review 路 reviewed 2026-08-20 路 due 2027-08-20
AudienceHealthcare professionals practising in Australia
This is an iatroX educational summary of named Australia sources, not an official guideline. It does not replace the complete source documents, local policy, specialist advice or clinical judgement. Apply current TGA product information, PBS restrictions, state or territory law, local referral criteria, formulary and antimicrobial policy. A national recommendation does not create uniform service access.

Scope

Offer hepatitis B testing according to birth country, Aboriginal and Torres Strait Islander status, household or sexual exposure, pregnancy and immunosuppression risk. Order HBsAg, anti-HBs and anti-HBc as the initial serological panel and interpret the pattern with vaccination and previous results. This summary is limited to the population, decisions and escalation boundaries stated in the named source.
sources for this section:National HBV Testing Policy

The Bottom Line

  • Offer hepatitis B testing according to birth country, Aboriginal and Torres Strait Islander status, household or sexual exposure, pregnancy and immunosuppression risk.
  • Order HBsAg, anti-HBs and anti-HBc as the initial serological panel and interpret the pattern with vaccination and previous results.
  • HBsAg persisting for six months establishes chronic infection, while isolated core antibody needs careful confirmatory interpretation.
  • For HBsAg positivity, obtain liver tests, HBV DNA, coinfection assessment and fibrosis evaluation and refer under the national hepatitis B pathway.
sources for this section:National HBV Testing Policy

Practical clinical workflow

1

Topic-specific assessment action

Offer hepatitis B testing according to birth country, Aboriginal and Torres Strait Islander status, household or sexual exposure, pregnancy and immunosuppression risk.
2

Topic-specific diagnostic action

For HBsAg positivity, obtain liver tests, HBV DNA, coinfection assessment and fibrosis evaluation and refer under the national hepatitis B pathway.
3

Topic-specific management action

Test, vaccinate or provide prophylaxis to contacts as indicated and ensure pregnancy results trigger neonatal prevention planning.
4

Topic-specific follow-through

Do not delay antiviral prophylaxis planning before B-cell-depleting or other high-risk immunosuppression while waiting for liver symptoms.
sources for this section:National HBV Testing Policy

Safety boundaries and escalation

  • Jaundice, coagulopathy, encephalopathy, severe acute hepatitis or immunosuppression with reactivation risk requires urgent specialist advice.
  • Record household and family testing completion because vertical and early-childhood transmission can cluster silently.
sources for this section:National HBV Testing Policy

Implementation

The named source is national or binational guidance used in Australia, but referral access, public-health directions, formularies and funded services can still differ by state, territory and health service. Check current TGA product information for medicines. Offer culturally safe care and use the NACCHO鈥揜ACGP National Guide where Aboriginal and Torres Strait Islander preventive or chronic-care recommendations differ.
sources for this section:National HBV Testing Policy

Clinical use boundary

This independently written summary is not an official guideline. Check the linked source version, current TGA-approved product information where medicines are involved, and the applicable state, territory and local pathway at the point of care.

sources for this section:National HBV Testing Policy

Source documents

Use the linked source documents for complete recommendations, evidence grading, exclusions and implementation detail.

  1. Australasian Society for HIV, Viral Hepatitis and Sexual Health MedicineNational Hepatitis B Testing PolicyCurrent national policy checked 2026-08-20 路 accessed 2026-08-20
    view source
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