Chronic Hepatitis B

Chronic Hepatitis B is indexed under Infectious-Origin Chronic, Viral Hepatitis. Also known as CHB, chronic HBV infection, HBV, hep B.

US prevalence

~880,000 people living with chronic HBV infection in 2013-2018 NHANES (95% CI 580,000-1,170,000) Source: CDC 2023 HBV Screening Recommendations — NHANES 2013-2018. Federal source. Label: VERIFIED.

ICD-10-CM codes

B18.1

Typical onset

Perinatal/childhood in endemic regions; adulthood in US

Course

managed

Body systems

hepatic, immune

Sex differences

M slightly > F for chronic carriage and complications

Racial and ethnic differences

Disproportionately affects Asian American, Pacific Islander, African-born populations; major equity issue

What this page does not establish

These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.

Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.

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