Autoimmune Hepatitis

Autoimmune Hepatitis is indexed under Autoimmune & Inflammatory, Autoimmune Hepatic. Also known as AIH.

US prevalence

~100,000-200,000 (~25-35 per 100,000) Source: AASLD; NIDDK. Cites federal and non-federal sources, and the record does not say which one gave this figure. Label: REPORTED.

ICD-10-CM codes

K75.4

Typical onset

Bimodal: 10-20 and 40-60 years

Course

managed

Body systems

hepatic

Sex differences

F:M ~3-4:1

Racial and ethnic differences

More common in white populations; may be underdiagnosed globally

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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