F43.0Billable
Acute stress reaction
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders
- Category
- F43
- Effective date
- October 1, 2026
Related codes in category F43
F43Reaction to severe stress, and adjustment disordersF43.1Post-traumatic stress disorder (PTSD)F43.10Post-traumatic stress disorder, unspecifiedYesF43.11Post-traumatic stress disorder, acuteYesF43.12Post-traumatic stress disorder, chronicYesF43.2Adjustment disordersF43.20Adjustment disorder, unspecifiedYesF43.21Adjustment disorder with depressed moodYesF43.22Adjustment disorder with anxietyYesF43.23Adjustment disorder with mixed anxiety and depressed moodYesF43.24Adjustment disorder with disturbance of conductYesF43.25Adjustment disorder w mixed disturb of emotions and conductYes
Frequently asked questions
What is ICD-10 code F43.0?
F43.0 is an ICD-10-CM diagnosis code for Acute stress reaction.
Is F43.0 a billable code?
Yes. F43.0 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is F43.0 in?
F43.0 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.
When did F43.0 become effective?
F43.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to F43.0?
F43.0 belongs to category F43, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.