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F43.9 Reaction to severe stress, unspecified
BackF43Reaction to severe stress, and adjustment disordersCategory5 →F43.0Acute stress reactionCategoryF43.1Post-traumatic stress disorder (PTSD)Category3 →F43.10Post-traumatic stress disorder, unspecifiedCategoryF43.11Post-traumatic stress disorder, acuteCategoryF43.12Post-traumatic stress disorder, chronicCategoryF43.2Adjustment disordersCategory7 →F43.20Adjustment disorder, unspecifiedCategoryF43.21Adjustment disorder with depressed moodCategoryF43.22Adjustment disorder with anxietyCategoryF43.23Adjustment disorder with mixed anxiety and depressed moodCategoryF43.24Adjustment disorder with disturbance of conductCategoryF43.25Adjustment disorder with mixed disturbance of emotions and conductCategoryF43.29Adjustment disorder with other symptomsCategoryF43.8Other reactions to severe stressCategory2 →F43.81Prolonged grief disorderCategoryF43.89Other reactions to severe stressCategoryF43.9Reaction to severe stress, unspecifiedCategory
CategoryCODABLE
F43.9
Reaction to severe stress, unspecified
EXAMPLES
Trauma and stressor-related disorder, NOS
Unspecified trauma and stressor-related disorder
Unspecified trauma and stressor-related disorder
- Chapter
- V · Mental, Behavioral and Neurodevelopmental disorders
- Section
- F40-F48
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.