---
title: "ICD-10-CM F39: Unspecified mood [affective] disorder | BillingBrief"
description: "ICD-10-CM code F39: Unspecified mood [affective] disorder. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/f39/"
language: "en"
---

# F39 Unspecified mood \[affective\] disorder

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

**Official ICD-10-CM description:** Unspecified mood \[affective\] disorder

## Coding notes

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

### Also covers

-   Affective psychosis NOS

## Common questions

### Is F39 a billable code?

Yes. F39 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

F39 Unspecified mood \[affective\] disorder

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/).