---
title: "ICD-10-CM F33.40: Major depressive disorder, recurrent, in… | BillingBrief"
description: "F33.40 is recurrent major depressive disorder documented as in remission without saying whether the remission is partial or full. If partial remission is…"
canonical: "https://billingbrief.com/icd10/f33.40/"
language: "en"
---

# F33.40 Major depressive disorder, recurrent, in remission, unspecified

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

F33.40 is recurrent major depressive disorder documented as in remission without saying whether the remission is partial or full. If partial remission is documented, use F33.41; if full, use F33.42.

## Coding notes

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

### Includes

-   recurrent episodes of depressive reaction
-   recurrent episodes of endogenous depression
-   recurrent episodes of major depression
-   recurrent episodes of psychogenic depression
-   recurrent episodes of reactive depression
-   recurrent episodes of seasonal affective disorder
-   recurrent episodes of seasonal depressive disorder
-   recurrent episodes of vital depression

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   bipolar disorder (F31.-)
-   manic episode (F30.-)

## Related codes

-   [`F33.0` Major depressive disorder, recurrent, mild ICD-10-CM](https://billingbrief.com/icd10/f33.0/)
-   [`F33.1` Major depressive disorder, recurrent, moderate ICD-10-CM](https://billingbrief.com/icd10/f33.1/)
-   [`F33.2` Major depressive disorder, recurrent severe without psychotic features ICD-10-CM](https://billingbrief.com/icd10/f33.2/)
-   [`F33.3` Major depressive disorder, recurrent, severe with psychotic symptoms ICD-10-CM](https://billingbrief.com/icd10/f33.3/)
-   [`F33.41` Major depressive disorder, recurrent, in partial remission ICD-10-CM](https://billingbrief.com/icd10/f33.41/)
-   [`F33.42` Major depressive disorder, recurrent, in full remission ICD-10-CM](https://billingbrief.com/icd10/f33.42/)
-   [`F33.8` Other recurrent depressive disorders ICD-10-CM](https://billingbrief.com/icd10/f33.8/)
-   [`F33.9` Major depressive disorder, recurrent, unspecified ICD-10-CM](https://billingbrief.com/icd10/f33.9/)

## Common questions

### Is F33.40 a billable code?

Yes. F33.40 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

F33 Major depressive disorder, recurrent

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/).