F43.9
BillableReaction to severe stress, unspecified
F43.9 is the ICD-10-CM code for Reaction to severe stress, unspecified. It is a billable, specific code valid for reimbursement.
F01-F99 Mental, Behavioral and Neurodevelopmental disorders
Includes
- •Trauma and stressor-related disorder, NOS
- •Unspecified trauma and stressor-related disorder
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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