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

ICD-10-CM 2027 diagnosis code · Mood [affective] disorders

Billable code

ICD-10-CM code F31.64

Code: F31.64 (claims format: F3164)
Description: Bipolar disorder, current episode mixed, severe, with psychotic features
Short description: Bipolar disord, crnt episode mixed, severe, w psych features
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Block: F30-F39 Mood [affective] disorders
Parent codes: F31 › F31.6

Notes for F31.64

Applicable to:

Bipolar disorder, current episode mixed with mood-congruent psychotic symptoms
Bipolar disorder, current episode mixed with mood-incongruent psychotic symptoms

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

F31 – Bipolar disorder

Includes:

bipolar I disorder
bipolar type I disorder
manic-depressive illness
manic-depressive psychosis
manic-depressive reaction
seasonal bipolar disorder

Excludes1 (not coded here):

bipolar disorder, single manic episode (F30.-)
major depressive disorder, single episode (F32.-)
major depressive disorder, recurrent (F33.-)

Excludes2 (not included here):

cyclothymia (F34.0)

Index terms for F31.64

Entries in the ICD-10-CM alphabetic index that lead to this code:

Disorder, bipolar, current, mixed, severe, with psychotic features

Related codes in F31.6

Frequently asked questions

What is ICD-10 code F31.64?

F31.64 is the ICD-10-CM code for bipolar disorder, current episode mixed, severe, with psychotic features, in the block F30-F39 (Mood [affective] disorders).

Is F31.64 a billable code?

Yes. F31.64 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does F31.64 belong to?

It belongs to category F31 – Bipolar disorder.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.