2025 ICD-10-CM Diagnosis Code F39

Unspecified mood [affective] disorder

• F39 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2025 edition of ICD-10-CM F39 became effective on October 1, 2024.
• This is the American ICD-10-CM version of F39 – other international versions of ICD-10 F39 may differ.

Applicable To

• Affective psychosis NOS

The following code(s) above F39 contain annotation back-references

 that may be applicable to F39:

• F01-F99  Mental, Behavioral and Neurodevelopmental disorders

Approximate Synonyms

• Affective psychosis
• Episodic mood disorder
• Mild mood disorder
• Moderate mood disorder
• Mood disorder
• Mood disorder in full remission
• Mood disorder in partial remission
• Mood disorder severe with psychosis mood incongruent
• Mood disorder, mild
• Mood disorder, moderate
• Mood disorder, partial remission
• Mood disorder, severe
• Mood disorder, severe, w psychosis, mood incongruent
• Mood disorder, severe, with psychosis
• Mood disorder, severe, with psychosis, mood congruent
• Mood disorder, severe, without psychosis
• Severe mood disorder
• Severe mood disorder with psychotic features
• Severe mood disorder with psychotic features, mood-congruent
• Severe mood disorder with psychotic features, mood-incongruent
• Severe mood disorder without psychotic features

Clinical Information

• A category of psychiatric disorders which have as their most predominant feature a disturbance in mood.
• Disorders in which the essential feature is a severe disturbance in mood (depression, anxiety, elation, and excitement) accompanied by psychotic symptoms such as delusions, hallucinations, gross impairment in reality testing, etc.
• Emotional behavior inappropriate for one’s age or circumstances, characterized by unusual excitability, guilt, anxiety, or hostility.
• Mental disorders characterized by a disturbance in mood which is abnormally depressed or elated. Compare emotional stability or emotionally disturbed.
• Most people feel sad or irritable from time to time. They may say they’re in a bad mood. A mood disorder is different. It affects a person’s everyday emotional state. Nearly one in ten people aged 18 and older have mood disorders. These include
  • major depressive disorder
  • dysthymic disorder (a chronic, mild depression)
  • bipolar disorder (also called manic depression)
  mood disorders can increase a person’s risk for heart disease, diabetes, and other diseases. Treatments include medication, psychotherapy, or a combination of both. With treatment, most people with mood disorders can lead productive lives.
• Those disorders that have a disturbance in mood as their predominant feature.

ICD-10-CM F39 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 885 Psychoses

Convert F39 to ICD-9-CMCode History

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change
• 2024 (effective 10/1/2023): No change
• 2025 (effective 10/1/2024): No change

Diagnosis Index entries containing back-references to F39:

• Disorder (of) – see also Disease
  • mood F39
    • recurrent F39
• Episode
  • affective, mixed F39