ICD-10-CM · Chapter 5 · F01–F99
F43
Reaction to severe stress, and adjustment disorders
Mental, behavioral and neurodevelopmental disorders
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- F43
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 5 — Mental, behavioral and neurodevelopmental disorders
- Category
- F43
- Specificity
- 3 characters
How coders use this code
ICD-10-CM F43 is a category (header) for reaction to severe stress, and adjustment disorders. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in F43
- F43.0Acute stress reaction
- F43.1Post-traumatic stress disorder (PTSD)
- F43.10Post-traumatic stress disorder, unspecified
- F43.11Post-traumatic stress disorder, acute
- F43.12Post-traumatic stress disorder, chronic
- F43.2Adjustment disorders
- F43.20Adjustment disorder, unspecified
- F43.21Adjustment disorder with depressed mood
- F43.22Adjustment disorder with anxiety
- F43.23Adjustment disorder with mixed anxiety and depressed mood
- F43.24Adjustment disorder with disturbance of conduct
- F43.25Adjustment disorder with mixed disturbance of emotions and conduct
- F43.29Adjustment disorder with other symptoms
- F43.8Other reactions to severe stress
- F43.81Prolonged grief disorder
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