Mild Depression ICD-10-CM Codes | 2023

Discover the ICD-10-CM codes for mild depression, their descriptions, billability, and clinical details. Plus, explore common questions and synonyms.

By Olivia Sayson on Aug 8, 2025.

Fact Checked by Ericka Pingol.

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What ICD-10 Codes Are Used for Mild Depression?

These are the standard ICD-10 codes used for mild depression:

F32.0: Major depressive disorder, single episode, mild. This code describes a single episode of mild depression.
F33.0: Major depressive disorder, recurrent, mild. This code is used for recurring bouts of mild depression.
F34.1: Dysthymic disorder. This code is used for a persistent or chronic form of mild depression, often called dysthymia or persistent depressive disorder.
F43.21: Adjustment disorder with depressed mood. This code is used when depression is an adjustment response to a significant life change or stressor.
F41.1: Generalized anxiety disorder. Often, mild depression is associated with generalized anxiety, and this code is used when both are present.‍
F43.23: Adjustment disorder with mixed anxiety and depressed mood. This code is used when mild depression is part of a broader anxiety adjustment disorder.

Which Mild Depression ICD Codes Are Billable?

All the ICD-10 codes listed above for mild depression are billable:

F32.0: Yes, it's billable since it identifies a single episode of mild depression.
F33.0: Yes, this code is billable because it refers to recurrent, mild depression.
F34.1: Yes, this code is billable as it diagnoses dysthymic disorder, a form of chronic mild depression.
F43.21: Yes, this code is billable as it signifies mild depression due to an adjustment disorder.
F41.1: Yes, this is billable when depression co-occurs with generalized anxiety.
F43.23: Yes, this code is billable as it identifies an adjustment disorder with both mild depression and anxiety.

Clinical Information

Mild depression, though not as severe, can still have a significant impact:

Characterized by persistent feelings of sadness, lack of interest in activities, and low mood, but to a lesser extent than major depression.
Symptoms might include low energy, change in appetite or weight, difficulty concentrating, feelings of worthlessness or guilt, and sometimes thoughts of death or suicide.
It can be a single episode or recurring; if chronic, it's often referred to as dysthymic disorder.
Mild depression can also be an adjustment response to life changes or stressors and may coexist with anxiety.

Synonyms Include:

Minor depression
Mild major depression
Dysthymia
Mild clinical depression
Mild depressive disorder

Commonly asked questions

Mild depression, indicated by codes such as F32.0 and F33.0, involves fewer or less severe symptoms than major depression.

Mild depression is diagnosed based on a patient's reported symptoms, duration, and the degree to which they interfere with daily life. It typically involves fewer or less intense symptoms than major depression.

If left untreated, mild depression can progress in severity over time, highlighting the importance of early diagnosis and treatment.

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