Post-Traumatic Stress Disorder

Post-Traumatic Stress Disorder is indexed under Mental Health & Behavioral, Trauma & Stress-Related. Also known as PTSD.

US prevalence

~13 million (~5% of adults in a given year); lifetime prevalence ~6-8% Source: NIMH; VA/NCPTSD. Federal source. Label: VERIFIED.

ICD-10-CM codes

F43.1, F43.10

Typical onset

Any age post-trauma; highest in 18-25 age group

Course

managed

Body systems

psychiatric

Sex differences

F:M ~2:1 (women have higher rates despite lower trauma exposure)

Racial and ethnic differences

Higher in Black, Hispanic, and American Indian/Alaska Native populations (related to higher trauma exposure and systemic factors)

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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