Chronic Constipation

Chronic Constipation is indexed under Gastrointestinal, Functional GI Disorder. Also known as functional constipation, CIC.

US prevalence

~16% of adults; ~33% of those >60 Source: ACG; AGA. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

K59.0

Typical onset

Any age; increases with age

Course

managed

Body systems

gastrointestinal

Sex differences

F:M ~2-3:1

Racial and ethnic differences

Higher in Black Americans in some studies

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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