Mood disorder due to known physiological condition, unsp

This code signifies a mood disturbance, such as depression, mania, or bipolar-like symptoms, that is directly caused by an underlying medical condition. The physiological condition is the primary etiology for the mood symptoms, and these symptoms are not better explained by another mental disorder. The "unspecified" nature indicates that the specific type of mood disorder (e.g., depressive, bipolar) is not documented.

Apply this code when documentation clearly links a patient's mood symptoms to a diagnosed physiological condition, and the specific mood presentation is not further detailed. Examples include mood changes secondary to endocrine disorders, neurological conditions, or certain medication side effects. The medical record must explicitly state the causal relationship.

• Always sequence the underlying physiological condition first, as it is the primary cause of the mood disorder.
• Avoid using this code if a more specific mood disorder due to a physiological condition (e.g., F06.31 for depressive type) can be identified from the documentation.
• Ensure the physician's documentation explicitly states the mood disorder is "due to" or "secondary to" the physiological condition, rather than merely co-occurring.