---
title: "ICD-10-CM F43.11: Post-traumatic stress disorder, acute | BillingBrief"
description: "F43.11 is PTSD (post-traumatic stress disorder) that the provider documents as acute. If it is documented as chronic, use F43.12; if the record does not say…"
canonical: "https://billingbrief.com/icd10/f43.11/"
language: "en"
---

# F43.11 Post-traumatic stress disorder, acute

ICD-10-CM · [CMS code reference](#source)

F43.11 is PTSD (post-traumatic stress disorder) that the provider documents as acute. If it is documented as chronic, use F43.12; if the record does not say either way, use F43.10.

## Related codes

-   [`F43.0` Acute stress reaction ICD-10-CM](https://billingbrief.com/icd10/f43.0/)
-   [`F43.10` Post-traumatic stress disorder, unspecified ICD-10-CM](https://billingbrief.com/icd10/f43.10/)
-   [`F43.12` Post-traumatic stress disorder, chronic ICD-10-CM](https://billingbrief.com/icd10/f43.12/)
-   [`F43.20` Adjustment disorder, unspecified ICD-10-CM](https://billingbrief.com/icd10/f43.20/)
-   [`F43.21` Adjustment disorder with depressed mood ICD-10-CM](https://billingbrief.com/icd10/f43.21/)
-   [`F43.22` Adjustment disorder with anxiety ICD-10-CM](https://billingbrief.com/icd10/f43.22/)
-   [`F43.23` Adjustment disorder with mixed anxiety and depressed mood ICD-10-CM](https://billingbrief.com/icd10/f43.23/)
-   [`F43.24` Adjustment disorder with disturbance of conduct ICD-10-CM](https://billingbrief.com/icd10/f43.24/)

## Common questions

### What's the difference between F43.11 and F43.12?

Both are post-traumatic stress disorder. F43.11 is for PTSD the provider documents as acute, and F43.12 is for PTSD documented as chronic. The code follows the provider's wording; when the record says neither, use F43.10.

### Is F43.11 a billable code?

Yes. F43.11 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

F43 Reaction to severe stress, and adjustment disorders

Chapter

Mental, behavioral and neurodevelopmental disorders

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).