Depression ICD-10-CM Codes | 2023

By Alex King on Jul 16, 2025.

What ICD-10 Codes Are Used for Depression?

Here are the commonly used ICD-10 codes for Depression:

F32.0: Major depressive disorder, single episode, mild. This code signifies a single episode of depression that is classified as mild.
F32.1: Major depressive disorder, single episode, moderate. This code is for a single moderate episode of depression.
F32.2: Major depressive disorder, single episode, severe without psychotic features. This code is for a severe depressive episode without the presence of psychosis.
F33.0: Major depressive disorder, recurrent, mild. This code indicates recurrent and mild depression.
F33.1: Major depressive disorder, recurrent, moderate. This code is used when the patient experiences recurrent episodes of moderate depression.
F34.1: Dysthymic disorder. This code describes a persistent or chronic form of depression called dysthymia.‍
F43.21: Adjustment disorder with depressed mood. This code is used when depression is an adjustment response to a significant life change or stressor.

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

F32.0: Yes, this code is billable as it specifies a single episode of mild depression.
F32.1: Yes, as it specifies a single episode of moderate depression, it is billable.
F32.2: Yes, this code is billable as it indicates severe depression without psychotic features.
F33.0: Yes, it's billable since it specifies recurrent, mild depression.
F33.1: Yes, this code is billable as it indicates a recurrent moderate depressive condition.
F34.1: Yes, as it diagnoses dysthymic disorder, it is billable.
F43.21: Yes, this code is billable as it identifies depression due to an adjustment disorder.

Depression is a mental health disorder that is characterized by:

Persistent sadness, a loss of interest or pleasure in activities, and a decrease in the ability to function at work and home.
Symptoms may include changes in appetite, sleep disturbances, loss of energy, feelings of worthlessness, guilt, difficulty thinking or concentrating, and recurrent thoughts of death or suicide.
The severity of depression can vary from mild to severe and can also present as a single episode or recurrent.
Specific forms of depression are chronic, such as Dysthymic disorder, or can occur in response to changes or stressors in one's life, such as an adjustment disorder with a depressed mood.

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