Immune Thrombocytopenia

Immune Thrombocytopenia is indexed under Hematologic, Platelet Disorders. Also known as ITP, idiopathic thrombocytopenic purpura.

US prevalence
~60,000 adults; ~20,000 children Source: ASH; PDSA. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.
ICD-10-CM codes
D69.3
Typical onset
Children: 2-6 years (often self-limiting); Adults: 20-50 and >60
Course
managed
Body systems
hematologic
Sex differences
Adult chronic ITP: F:M ~2:1; childhood: equal
Racial and ethnic differences
Limited population-level data

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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