Autoimmune Pancreatitis

Autoimmune Pancreatitis is indexed under Autoimmune & Inflammatory, Immune-Mediated Fibroinflammatory. Also known as AIP, IgG4-related pancreatitis.

US prevalence

~2-11 per 100,000 Source: AGA; AASLD. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

K85.8

Typical onset

60-70 years (Type 1); 40-50 (Type 2)

Course

managed

Body systems

gastrointestinal

Sex differences

Type 1 M:F ~3:1

Racial and ethnic differences

First described in Japan; worldwide

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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