---
title: "ICD-10-CM F43.23: Adjustment disorder with mixed anxiety… | BillingBrief"
description: "F43.23 is adjustment disorder when the provider documents mixed anxiety and depressed mood."
canonical: "https://billingbrief.com/icd10/f43.23/"
language: "en"
---

# F43.23 Adjustment disorder with mixed anxiety and depressed mood

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

F43.23 is adjustment disorder when the provider documents mixed anxiety and depressed mood.

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   separation anxiety disorder of childhood (F93.0)

## Related codes

-   [`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/)
-   [`F43.24` Adjustment disorder with disturbance of conduct ICD-10-CM](https://billingbrief.com/icd10/f43.24/)
-   [`F43.25` Adjustment disorder with mixed disturbance of emotions and conduct ICD-10-CM](https://billingbrief.com/icd10/f43.25/)
-   [`F43.29` Adjustment disorder with other symptoms ICD-10-CM](https://billingbrief.com/icd10/f43.29/)
-   [`F43.81` Prolonged grief disorder ICD-10-CM](https://billingbrief.com/icd10/f43.81/)

## Common questions

### Is F43.23 a billable code?

Yes. F43.23 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/).