F43.9 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Reaction to severe stress, unspecified.
Inclusion term
Trauma and stressor-related disorder, NOS
Unspecified trauma and stressor-related disorder
Versions
2025
No changes
2024
No changes
2023
Code changed
Inclusion term
Trauma and stressor-related disorder, NOS
- Trauma and stressor-related disorder, NOS
- Unspecified trauma and stressor-related disorder
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
Code changed
Inclusion term
- Trauma and stressor-related disorder, NOS
2016
New code