F06.34 – Mood disorder due to known physiological condition with mixed features

Read about F06.34, an ICD-10 code for mood disorder due to a known physiological condition with mixed features.

By Karina Jimenea on Apr 01, 2025.

Fact Checked by Ericka Pingol.

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F06.34  – Mood disorder due to known physiological condition with mixed features

F06.34 diagnosis code: Mood disorder due to known physiological condition with mixed features

F06.34 is an ICD code included in the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) used to designate mood disorder due to known physiological condition with mixed features. It is applicable to the following: bipolar and related disorder due to known physiological condition, with mixed features; depressive disorder due to known physiological condition, with mixed features.

In the context of this ICD-10 code, the specific mood disorder isn't determined yet. Still, all that we know is that the patient is going through a mood disorder that has mixed features caused by whatever physiological condition they currently have (e.g., cancer, diabetes, asthma, heart disease, etc.).

Is the F06.34 billable?

Yes, the F06.34 ICD-10 code is billable and can be used to designate a patient for reimbursement purposes.

F06.34 clinical information

A mood disorder is characterized by its negative impact on a person's mood, leading to significant disruptions in their daily lives. Individuals with a mood disorder may experience intense feelings of sadness and apathy, or they may exhibit excessive enthusiasm and energy, accompanied by heightened irritability.

Considering the name of the ICD-10 code, the emphasis is not on the patient's physiological condition but instead on the underlying cause of their current mood disorder. Given the presence of mixed features in this disorder, the individual is likely to exhibit the following symptoms:

  • Experiencing restlessness or a sense of being on edge
  • Having rapid and racing thoughts
  • Speaking quickly and loudly
  • Being active and desiring to be out and about
  • Experiencing reduced need for sleep or insomnia
  • Feeling a varying degree of inflated self-importance
  • Demonstrating high levels of irritability
  • Engaging in excessive or risky behaviors
  • Feeling periods of sadness and despair
  • Experiencing feelings of loneliness and occasionally isolating themselves
  • Exhibiting low energy levels
  • Experiencing either excessive sleep or hypersomnia
  • Displaying abnormal eating patterns, such as eating too little or too much
  • Experiencing a lack of interest in almost everything
  • Having thoughts of self-harm
  • Frequently shifting between different moods

The degree to which this specific mood disorder can improve relies on whether the underlying physiological condition responsible for it is treatable or curable. Medication (for both their physiological condition and mood disorder) and talk-based therapy may be implemented as part of a treatment plan for the mood disorder.

F06.34 synonyms include:

  • Mood disorder due to known physiological condition with mixed features
  • Mood disorder with mixed features due to general medical condition
  • Mood disorder, condition with mixed features

Other ICD-10 codes commonly used for mood disorders caused by physiological conditions:

  • F06: Other mental disorders due to known physiological condition
  • F06.3: Mood disorder due to known physiological condition
  • F06.30: Mood disorder due to known physiological condition, unspecified
  • F06.31: Mood disorder due to known physiological condition with depressive features
  • F06.32: Mood disorder due to known physiological condition with major depressive-like episode
  • F06.33: Mood disorder due to known physiological condition with manic features

Commonly asked questions

What is diagnosis code F06.34?

F06.34 is an ICD-10-CM code for mood disorder due to a known physiological condition with mixed features, classified under Mental, Behavioral, and Neurodevelopmental Disorders.

Is F06.34 billable?

Yes, F06.34 is a billable ICD-10-CM code that can be used for healthcare reimbursement purposes. It indicates a medically recognized mood disorder caused by an underlying physiological condition.

What is F06 in psychiatry?

In psychiatry, F06 refers to mental disorders due to known physiological conditions. This category includes endocrine disorder mental disorders, somatic illness mental disorders, and exogenous hormone mental disorders. Other inclusions are mental disorders due to primary cerebral disease, somatic illnesses, and systemic diseases affecting the brain.

It excludes unspecified dementia (F03.-) for type 1. For Type 2, it excludes delirium due to known physiological condition (F05), dementia classified in F01-F02, and mental disorders related to alcohol or other psychoactive substances (F10-F19).

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