2021 ICD-10-CM Diagnosis Code F31.64

Bipolar disorder, current episode mixed, severe, with psychotic features

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • F31.64 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Bipolar disord, crnt episode mixed, severe, w psych features
  • The 2021 edition of ICD-10-CM F31.64 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of F31.64 - other international versions of ICD-10 F31.64 may differ.
Applicable To
  • Bipolar disorder, current episode mixed with mood-congruent psychotic symptoms
  • Bipolar disorder, current episode mixed with mood-incongruent psychotic symptoms
The following code(s) above F31.64 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to F31.64:
  • F01-F99
    2021 ICD-10-CM Range F01-F99

    Mental, Behavioral and Neurodevelopmental disorders

    Includes
    • disorders of psychological development
    Type 2 Excludes
    • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
    Mental, Behavioral and Neurodevelopmental disorders
  • F31
    ICD-10-CM Diagnosis Code F31

    Bipolar disorder

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Includes
    • bipolar I disorder
    • bipolar type I disorder
    • manic-depressive illness
    • manic-depressive psychosis
    • manic-depressive reaction
    Type 1 Excludes
    • bipolar disorder, single manic episode (F30.-)
    • major depressive disorder, single episode (F32.-)
    • major depressive disorder, recurrent (F33.-)
    Type 2 Excludes
    Bipolar disorder
Approximate Synonyms
  • Bipolar 1 disorder, mixed, severe, with psychosis
  • Severe mixed bipolar i disorder with psychotic features
ICD-10-CM F31.64 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 885 Psychoses

Convert F31.64 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to F31.64:
  • Type 1 Excludes: F20
    , F22
    , F25
    , F53
    ICD-10-CM Diagnosis Code F20

    Schizophrenia

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Type 2 Excludes
    ICD-10-CM Diagnosis Code F22

    Delusional disorders

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Delusional dysmorphophobia
    • Involutional paranoid state
    • Paranoia
    • Paranoia querulans
    • Paranoid psychosis
    • Paranoid state
    • Paraphrenia (late)
    • Sensitiver Beziehungswahn
    Type 1 Excludes
    Type 2 Excludes
    • paranoid personality disorder (F60.0)
    • paranoid psychosis, psychogenic (F23)
    • paranoid reaction (F23)
    ICD-10-CM Diagnosis Code F25

    Schizoaffective disorders

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    ICD-10-CM Diagnosis Code F53

    Mental and behavioral disorders associated with the puerperium, not elsewhere classified

      2016 2017 2018 2019 - Converted to Parent Code 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
  • Type 2 Excludes: F23
    ICD-10-CM Diagnosis Code F23

    Brief psychotic disorder

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Paranoid reaction
    • Psychogenic paranoid psychosis
    Type 2 Excludes

Diagnosis Index entries containing back-references to F31.64:
  • Disorder (of) - see also Disease
    • bipolar (I) (type 1) F31.9
      ICD-10-CM Diagnosis Code F31.9

      Bipolar disorder, unspecified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Manic depression
      • current (or most recent)
        • mixed F31.60
          ICD-10-CM Diagnosis Code F31.60

          Bipolar disorder, current episode mixed, unspecified

            2016 2017 2018 2019 2020 2021 Billable/Specific Code
          • severe (without psychotic features) F31.63
            ICD-10-CM Diagnosis Code F31.63

            Bipolar disorder, current episode mixed, severe, without psychotic features

              2016 2017 2018 2019 2020 2021 Billable/Specific Code
            • with psychotic features F31.64

ICD-10-CM Codes Adjacent To F31.64
F31.30 …… 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 …… unspecified
F31.61 …… mild
F31.62 …… moderate
F31.63 …… severe, without psychotic features
F31.64 …… severe, with psychotic features
F31.7 Bipolar disorder, currently in remission
F31.70 …… 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

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.