F32.9 – Major Depressive Disorder, Single Episode, Unspecified

Learn about F32.9 ICD-10 code for major depressive disorder, single episode, unspecified, along with clinical info, synonyms, and related codes.

By Karina Jimenea on Aug 8, 2025.

Fact Checked by Ericka Pingol.

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F32.9 diagnosis code: Major depressive disorder, single episode, unspecified

The F32.9 diagnosis code refers to "major depressive disorder, single episode, unspecified." It is part of the International Classification of Diseases, 10th Edition, Clinical Modification (ICD-10-CM) system, which is used by healthcare providers to classify diseases and conditions. This code is used when a person is experiencing a depressive episode with symptoms that don’t fit into a more specific category. It helps identify major depressive disorder, but the details about the type of depression aren't clear at the time of diagnosis.

When healthcare professionals recognize depressive symptoms but need more information for a more specific diagnosis, F32.9 is often used. The "single episode" part means it’s the first occurrence of the depressive episode, and it’s not yet clear whether the person will experience recurrent depressive disorder in the future. The World Health Organization (WHO) recognizes this ICD-10-CM code in its global health classification system. It ensures consistent documentation and treatment for individuals experiencing a major depressive episode.

Is F32.9 billable?

Yes, F32.9 is a billable ICD-10 code. Healthcare professionals can use this code for insurance claims and reimbursement purposes. However, accurate coding is essential for proper documentation and treatment planning.

Clinical information

Major depressive disorder or clinical depression can significantly impact an individual's daily functioning, relationships, and overall well-being.
MDD is a mental health disorder characterized by depressed mood, fatigue, changes in appetite or weight, sleep disturbances, and feelings of worthlessness or guilt.
Risk factors include genetics, environmental factors, hormonal imbalances, and traumatic life events. Postpartum depression can also happen when a new parent feels really down, anxious, or overwhelmed after having a baby, and it can make everyday tasks feel really tough.
Treatment options typically involve a combination of psychotherapy, medication, and lifestyle changes.
Regular follow-ups and monitoring are necessary to assess the effectiveness of treatment and adjust strategies as needed.

Synonyms include

Dementia, presenile with depression
Dementia, senile with depression
Depression
Depression during labor and delivery
Depression in childbirth
Depressive disorder in mother complicating pregnancy
Major depression, single episode
Major depressive disorder in childbirth
Major depressive disorder in pregnancy
Major depressive disorder, single episode
Mood disorder of depressed type
Mood disorder with depressive feature
Multi-infarct dementia with depression
Postpartum (after childbirth) depression
Presenile dementia with depression
Reactive depression (situational)
Vascular dementia w depressed mood
Vascular dementia with depression

Other ICD-10 codes commonly used for major depressive disorder

F32.0: Major depressive disorder, single episode, mild
F32.1: Major depressive disorder, single episode, moderate
F32.2: Major depressive disorder, single episode, severe without psychotic features
F32.3: Major depressive disorder, single episode, severe with psychotic features
F32.4: Major depressive disorder, single episode, in partial remission
F32.5: Major depressive disorder, single episode, in full remission
F33.0: Major depressive disorder, recurrent, moderate
F33.1: Major depressive disorder, recurrent, moderate
F33.2: Major depressive disorder, recurrent severe without psychotic features
F33.3: Major depressive disorder, recurrent, severe with psychotic symptoms

Commonly asked questions

Yes, F32.9 is still a valid diagnosis code under the ICD-10-CM system. It is used to classify major depressive disorder, single episode, unspecified.

F32.9 refers to a major depressive disorder diagnosis where the individual is experiencing a single episode of depression, but there is not enough detail to specify the exact nature of the depression. It is used when the depressive symptoms don’t fit into a more defined category.

Major depressive disorderis a mental condition marked by depressive episodes without the extreme mood swings seen in bipolar disorder. Bipolar disorder includes both depressive and manic or hypomanic episodes, while major depressive disorder is characterized by depressive episodes alone.

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