F31.64 – Bipolar disorder, current episode mixed, severe, with psychotic features

F31.64 Diagnosis Code: Bipolar disorder, current episode mixed, severe, with psychotic features

• F31.64 is a billable ICD-10-CM code used for reimbursement for the diagnosis of bipolar disorder, current episode mixed, severe, with psychotic features.
• This ICD-10-CM code is used to diagnose bipolar disorder, current episode mixed, severe, with psychotic features in America. Internationally, the code may differ.
• The code is valid until the end of the fiscal year of 2023. 
• This code’s umbrella category is “Mental, Behavioral, and Neurodevelopmental Disorders under “Bipolar disorder, current episode mixed.”
• The difference between F31.64 and F31.63 is that this code considers the presence of psychotic features wherein the patient experiences symptoms like delusions, hallucinations, and disturbed/confused thoughts.

Is F31.64 Billable?

Yes, F31.64 is billable and can be used for insurance reimbursement purposes

Clinical Information

• Bipolar disorder is a mental health condition causing severe mood swings in patients, changes in behavior, and fluctuations in energy/activity levels.
• To classify a bipolar disorder as a mixed episode, the patient must experience symptoms of both a manic episode, characterized by elevated moods such as joy and delight, and depressive episodes, which predominantly manifest as low moods including sadness and hopelessness.
• The type of bipolar disorder a patient has then, because of their severe mixed episodes that need intervention, is Bipolar I disorder. 
• The causes of bipolar disorder are still unknown, but factors like imbalances in brain chemicals, environment, and genetics may play a role.  
• Medication, therapy, and ECT are a few of the treatments for bipolar disorder.

Synonyms Include:

• Bipolar I disorder, mixed, severe, with psychosis
• Bipolar disorder, current episode mixed with mood-congruent psychotic symptoms
• Severe mixed bipolar I disorder with psychotic features
• Mixed bipolar affective disorder, severe with psychosis
• Bipolar affected disorder, current episode mixed

Other ICD-10 Codes Commonly Used for Bipolar Disorder, Current Episode Mixed

• F31.60: Bipolar disorder, current episode mixed, unspecified
• F31.61: Bipolar disorder, current episode mixed, mild
• F31.62: Bipolar disorder, current episode mixed, moderate
• F31.63: Bipolar disorder, current episode mixed, severe, without psychotic features