Idiopathic Pulmonary Fibrosis

Idiopathic Pulmonary Fibrosis is indexed under Respiratory, Interstitial Lung Disease. Also known as IPF.

US prevalence
~100,000 people in the United States Source: MedlinePlus Genetics (NLM), Idiopathic pulmonary fibrosis, frequency section last updated July 1, 2020. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.
ICD-10-CM codes
J84.1, J84.112
Typical onset
Typically >50 years; mean age at diagnosis ~66
Course
progressive
Body systems
pulmonary
Sex differences
M:F ~2:1
Racial and ethnic differences
Limited data; may be underdiagnosed in non-white populations

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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