ICD-10-CM F31: Bipolar disorder

ICD-10-CM Diagnosis Code (2025)

Official Description for F31

Bipolar disorder

Coding Notes & Guidelines for F31

Includes Notes
  • 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)

Inclusion Terms
  • Bipolar disorder, current episode manic with mood-congruent psychotic symptoms
  • Bipolar disorder, current episode manic with mood-incongruent psychotic symptoms
  • Bipolar I disorder, current or most recent episode manic with psychotic features
Inclusion Terms
  • Bipolar disorder, current episode depressed with mood-incongruent psychotic symptoms
  • Bipolar disorder, current episode depressed with mood-congruent psychotic symptoms
  • Bipolar I disorder, current or most recent episode depressed, with psychotic features
Inclusion Terms
  • Bipolar disorder, current episode mixed with mood-congruent psychotic symptoms
  • Bipolar disorder, current episode mixed with mood-incongruent psychotic symptoms
Inclusion Terms

Bipolar disorder, type 2

Inclusion Terms

Recurrent manic episodes NOS

Inclusion Terms

Manic depression

Child Codes (More Specific Codes for F31):

F31.0 - Bipolar disorder, current episode hypomanic F31.1 - Bipolar disorder, current episode manic without psychotic features F31.10 - Bipolar disorder, current episode manic without psychotic features, unspecified F31.11 - Bipolar disorder, current episode manic without psychotic features, mild F31.12 - Bipolar disorder, current episode manic without psychotic features, moderate F31.13 - Bipolar disorder, current episode manic without psychotic features, severe F31.2 - Bipolar disorder, current episode manic severe with psychotic features F31.3 - Bipolar disorder, current episode depressed, mild or moderate severity F31.30 - Bipolar disorder, current episode depressed, mild or moderate severity, unspecified F31.31 - Bipolar disorder, current episode depressed, mild F31.32 - Bipolar disorder, current episode depressed, moderate F31.4 - Bipolar disorder, current episode depressed, severe, without psychotic features F31.5 - Bipolar disorder, current episode depressed, severe, with psychotic features F31.6 - 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 F31.64 - Bipolar disorder, current episode mixed, severe, with psychotic features F31.7 - Bipolar disorder, currently in remission F31.70 - Bipolar disorder, currently in remission, most recent episode unspecified F31.71 - Bipolar disorder, in partial remission, most recent episode hypomanic F31.72 - Bipolar disorder, in full remission, most recent episode hypomanic F31.73 - Bipolar disorder, in partial remission, most recent episode manic F31.74 - Bipolar disorder, in full remission, most recent episode manic F31.75 - Bipolar disorder, in partial remission, most recent episode depressed F31.76 - Bipolar disorder, in full remission, most recent episode depressed F31.77 - Bipolar disorder, in partial remission, most recent episode mixed F31.78 - Bipolar disorder, in full remission, most recent episode mixed F31.8 - Other bipolar disorders F31.81 - Bipolar II disorder F31.89 - Other bipolar disorder F31.9 - Bipolar disorder, unspecified

About ICD-10-CM Code F31 (Bipolar disorder)

ICD-10-CM code F31 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM F31 became effective on October 1, 2024.

This page provides detailed information about F31 - Bipolar disorder. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Bipolar disorder.