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

Dive into the clinical aspects, billability, synonyms, and more of ICD-10-CM F31.64 highlighting bipolar disorder, current episode mixed, severe, with psychotic features

By Katherine Ellison on Feb 29, 2024.

Fact Checked by Ericka Pingol.

Use Code
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
Electronic Health Records Software

Commonly asked questions

Is the F31.64 diagnosis billable?

Yes, F31.64 is a billable diagnosis code and can be used for reimbursements. 

What are the common treatments for F31.64 diagnosis code?

Common treatments are medication and therapy. However, patients are encouraged to manage their symptoms by tracking them and living a healthier, active lifestyle. 

What does diagnosis code F31.64 mean?

The diagnosis code F31.64 refers to a diagnosis of bipolar disorder wherein the patient has severe current mixed episodes with psychotic features.

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