2020 ICD-10-CM Diagnosis Code F20.5

Residual schizophrenia

    2016 2017 2018 2019 2020 Billable/Specific Code
  • F20.5 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM F20.5 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of F20.5 - other international versions of ICD-10 F20.5 may differ.
Applicable To
  • Restzustand (schizophrenic)
  • Schizophrenic residual state
The following code(s) above F20.5 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 F20.5:
  • F01-F99
    2020 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
  • F20
    ICD-10-CM Diagnosis Code F20

    Schizophrenia

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Type 2 Excludes
    Schizophrenia
Approximate Synonyms
  • Chronic residual schizophrenia
  • Chronic residual schizophrenia with acute exacerbations
  • Chronic undifferentiated schizophrenia
  • Chronic undifferentiated schizophrenia with acute exacerbations
  • Schizophrenia undifferenitated with acute exacerbation
  • Schizophrenia, atypical form, chronic state
  • Schizophrenia, residual
  • Schizophrenia, residual, chronic
  • Schizophrenia, residual, chronic, acute exacerbation
  • Schizophrenia, residual, subchronic
  • Schizophrenia, residual, with acute exacerbation
  • Subchronic residual schizophrenia
  • Subchronic residual schizophrenia with acute exacerbations
Clinical Information
  • A subtype of schizophrenia in which the individual has suffered an episode of schizophrenia but there are no longer any delusions, hallucinations, disorganized speech or behavior. Residual symptoms are seen in the form of negative symptoms (such as flat affect or avolition) or attenuated positive symptoms (such as odd beliefs).
ICD-10-CM F20.5 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 885 Psychoses

Convert F20.5 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

Diagnosis Index entries containing back-references to F20.5:
  • Residual - see also condition
    • state, schizophrenic F20.5
  • Restzustand F20.5 (schizophrenic)
  • Schizophrenia, schizophrenic F20.9
    ICD-10-CM Diagnosis Code F20.9

    Schizophrenia, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    • undifferentiated (type) F20.3
      ICD-10-CM Diagnosis Code F20.3

      Undifferentiated schizophrenia

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Atypical schizophrenia
      Type 1 Excludes
      • acute schizophrenia-like psychotic disorder (F23)
      Type 2 Excludes
      • post-schizophrenic depression (F32.89)
      • chronic F20.5
    • chronic undifferentiated F20.5
    • negative type F20.5
    • residual F20.5 (state) (type)
    • restzustand F20.5
  • State (of)
    • residual schizophrenic F20.5

ICD-10-CM Codes Adjacent To F20.5
F19.980 Other psychoactive substance use, unspecified with psychoactive substance-induced anxiety disorder
F19.981 Other psychoactive substance use, unspecified with psychoactive substance-induced sexual dysfunction
F19.982 Other psychoactive substance use, unspecified with psychoactive substance-induced sleep disorder
F19.988 Other psychoactive substance use, unspecified with other psychoactive substance-induced disorder
F19.99 …… with unspecified psychoactive substance-induced disorder
F20 Schizophrenia
F20.0 Paranoid schizophrenia
F20.1 Disorganized schizophrenia
F20.2 Catatonic schizophrenia
F20.3 Undifferentiated schizophrenia
F20.5 Residual schizophrenia
F20.8 Other schizophrenia
F20.81 Schizophreniform disorder
F20.89 Other schizophrenia
F20.9 Schizophrenia, unspecified
F21 Schizotypal disorder
F22 Delusional disorders
F23 Brief psychotic disorder
F24 Shared psychotic disorder
F25 Schizoaffective disorders
F25.0 Schizoaffective disorder, bipolar type

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