F31.9
BillableBipolar disorder, unspecified
Bipolar disorder, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Manic depression
Includes
Conditions included under this code
- disorders of psychological development
- bipolar I disorder
- bipolar type I disorder
- manic-depressive illness
- manic-depressive psychosis
- manic-depressive reaction
- seasonal bipolar disorder
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(9)
F31.0Bipolar disorder, current episode hypomanic
F31.1Bipolar disorder, current episode manic w/o psych features
F31.2Bipolar disord, crnt episode manic severe w psych features
F31.3Bipolar disord, current episode depress, mild or mod severt
F31.4Bipolar disord, crnt epsd depress, sev, w/o psych features
F31.5Bipolar disord, crnt epsd depress, severe, w psych features
F31.6Bipolar disorder, current episode mixed
F31.7Bipolar disorder, currently in remission
F31.8Other bipolar disorders
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(128)
SNOMED CT
- Severe bipolar disorder with psychotic features4441000
- Bipolar affective disorder13746004
- Bipolar disorder13746004
- MDI - Manic-depressive illness13746004
- Manic-depressive illness13746004
- Manic-depressive psychosis13746004
- Bipolar affective disorder, current episode manic191618007
- Manic-depressive - now manic191618007
- Bipolar 1 disorder371596008
- Bipolar I disorder371596008
- Severe bipolar I disorder371599001
- Severe bipolar disorder371600003
- Bipolar disorder, most recent episode depression767631007
- Bipolar disorder, most recent episode manic767632000
- Bipolar I disorder, most recent episode depression767636002
UMLS
- Affective Psychosis, BipolarC0005586
- BIPOLAR AFFECTIVE DISORDERC0005586
- BIPOLAR DISC0005586
- BPADC0005586
- Bi-polar DisorderC0005586
- Bipolar Affective PsychosisC0005586
- Bipolar DisorderC0005586
- Bipolar DisordersC0005586
- Bipolar Mood DisorderC0005586
- Bipolar Mood DisordersC0005586
- Bipolar affective disorderC0005586
- Bipolar affective disorder, unspecifiedC0005586
- Bipolar affective psychosisC0005586
- Bipolar disorderC0005586
- Bipolar disorder (disorder)C0005586
- Bipolar disorder, unspecifiedC0005586
- Bipolar disordersC0005586
- Bipolar spectrum disorderC0005586
- Depression, ManicC0005586
- Depressions, ManicC0005586
- Disorder, BipolarC0005586
- Disorder, Bipolar MoodC0005586
- MDI - Manic-depressive illnessC0005586
- Manic DepressionC0005586
- Manic Depressive DisorderC0005586
- Manic Depressive PsychosisC0005586
- Manic depressionC0005586
- Manic depressiveC0005586
- Manic depressive illnessC0005586
- Manic depressive psychosisC0005586
- Manic depressive reactionC0005586
- Manic-DepressionC0005586
- Manic-Depressive IllnessC0005586
- Manic-Depressive PsychosisC0005586
- Manic-depressive illnessC0005586
- Manic-depressive psychosisC0005586
- Mood Disorder, BipolarC0005586
- Psychoses, Bipolar AffectiveC0005586
- Psychoses, Manic DepressiveC0005586
- Psychoses, Manic-DepressiveC0005586
- Psychosis manic-depressiveC0005586
- Psychosis, Bipolar AffectiveC0005586
- Psychosis, Manic DepressiveC0005586
- Psychosis, Manic-DepressiveC0005586
- Reaction manic-depressiveC0005586
- affective bipolar disorderC0005586
- affective bipolar disordersC0005586
- bipolar affective disorderC0005586
- bipolar disorderC0005586
- bipolar disorder nosC0005586
- bipolar disordersC0005586
- bipolar illnessC0005586
- bipolar mood disorderC0005586
- manic depressionC0005586
- manic depressionsC0005586
- manic depressiveC0005586
- manic depressive disorderC0005586
- manic depressive illnessC0005586
- manic depressive psychosisC0005586
- manic-depressive illnessC0005586
- manic-depressive psychosisC0005586
- manic-depressive reactionC0005586
Clinical Terms
- Bipolar I disorder, most recent episode depression
- BPAD
- Manic-Depression
- affective bipolar disorder
- manic depressive disorder
- Manic depressive
- Depressions, Manic
- Manic depressive psychosis
- manic-depressive reaction
- bipolar affective disorder
- Psychosis, Manic Depressive
- Bipolar disorder, most recent episode manic
- Psychosis, Manic-Depressive
- Bi-polar Disorder
- manic depressions
- bipolar disorder nos
- affective bipolar disorders
- Manic-depressive psychosis
- Bipolar Mood Disorder
- Severe bipolar disorder with psychotic features
- Disorder, Bipolar
- Depression, Manic
- Manic depressive illness
- Manic-depressive - now manic
- Disorder, Bipolar Mood
- Manic Depression
- Manic depressive reaction
- Bipolar Mood Disorders
- Bipolar disorders
- Mood Disorder, Bipolar
- BIPOLAR DIS
- Bipolar disorder (disorder)
- bipolar illness
- Severe bipolar disorder
- Psychoses, Manic-Depressive
- Psychosis manic-depressive
- Psychosis, Bipolar Affective
- Manic-depressive illness
- Bipolar spectrum disorder
- Affective Psychosis, Bipolar
- Bipolar 1 disorder
- Bipolar Affective Psychosis
- Bipolar affective disorder, current episode manic
- Bipolar disorder, most recent episode depression
- Psychoses, Manic Depressive
- Psychoses, Bipolar Affective
- Bipolar I disorder
- Reaction manic-depressive
- MDI - Manic-depressive illness
- Severe bipolar I disorder
- Bipolar affective disorder, unspecified
Frequently Asked Questions
What is the ICD-10 code for bipolar disorder, unspecified?
The ICD-10-CM code for bipolar disorder, unspecified is F31.9. The full clinical description is "Bipolar disorder, unspecified". F31.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code F31.9 mean?
ICD-10-CM code F31.9 represents “Bipolar disorder, unspecified”. It is classified under Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders and is a billable/specific code that can be used on a claim.
Is F31.9 a billable code?
Yes, F31.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is F31.9 in?
F31.9 is in Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (codes F01-F99).
What codes cannot be used with F31.9?
F31.9 has Excludes1 notes indicating codes that cannot be used together with it, including: bipolar disorder, single manic episode (F30.-); major depressive disorder, single episode (F32.-); major depressive disorder, recurrent (F33.-).
What SNOMED CT codes does F31.9 map to?
F31.9 maps to 9 SNOMED CT concepts: 371596008, 767636002, 13746004, 191618007, 767631007, and 4 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for F31.9?
F31.9 is linked to 1 UMLS Concept Unique Identifier: C0005586. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does F31.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like bipolar disorder, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of F31.9?
F31.9 maps to the ICD-11 code: 6A6Z (Bipolar or related disorders, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.