2018

  1. ICD-10-CM Codes
    2. ›
  2. F01-F99 Mental, Behavioral and Neurodevelopmental disorders
    3. ›
  3. F20-F29 Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders
    4. ›
  4. F20- Schizophrenia
    5. ›

2018 ICD-10-CM Diagnosis Code F20.3

Undifferentiated schizophrenia

Applicable To
  • Atypical schizophrenia
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as F20.3. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • acute schizophrenia-like psychotic disorder (
    ICD-10-CM Diagnosis Code F23

    Brief psychotic disorder

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Paranoid reaction
    • Psychogenic paranoid psychosis
    Type 2 Excludes
    F23
    )
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (F20.3) and the excluded code together.
  • post-schizophrenic depression (
    ICD-10-CM Diagnosis Code F32.89

    Other specified depressive episodes

      2017 - New Code 2018 Billable/Specific Code
    Applicable To
    • Atypical depression
    • Post-schizophrenic depression
    • Single episode of 'masked' depression NOS
    F32.89
    )
The following code(s) above F20.3 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 F20.3:
  • F01-F99
    2018 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 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Type 2 Excludes
    Schizophrenia
Approximate Synonyms Clinical Information ICD-10-CM F20.3 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert F20.3 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to F20.3:

ICD-10-CM Codes Adjacent To F20.3
F19.98 Other psychoactive substance use, unspecified with other psychoactive substance-induced disorders
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

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