Disorganized schizophrenia
- F20.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2025 edition of ICD-10-CM F20.1 became effective on October 1, 2024.
- This is the American ICD-10-CM version of F20.1 – other international versions of ICD-10 F20.1 may differ.
Applicable To
- Hebephrenic schizophrenia
- Hebephrenia
The following code(s) above F20.1 contain annotation back-references
that may be applicable to F20.1:
Approximate Synonyms
- Chronic hebephrenic schizophrenia
- Disorganised schizophrenia
- Schizophrenia, disorganized
- Schizophrenia, disorganized, subchronic
- Schizophrenia, hebephrenic, chronic
- Subchronic disorganised schizophrenia
Clinical Information
- A subtype of schizophrenia characterized by disorganized speech, disorganized behavior, and a flat or inappropriate affect; associated features include grimacing, mannerisms, and other oddities of behavior. Criteria for the catatonic type of schizophrenia are not met.
- A type of schizophrenia characterized by frequent incoherence; marked loosening of associations, or grossly disorganized behavior and flat or grossly inappropriate affect that does not meet the criteria for the catatonic type; associated features include extreme social withdrawal, grimacing, mannerisms, mirror gazing, inappropriate giggling, and other odd behavior. (Dorland, 27th ed)
ICD-10-CM F20.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):
- 885 Psychoses
Convert F20.1 to ICD-9-CMCode 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
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Diagnosis Index entries containing back-references to F20.1:
- Hebephrenia, hebephrenic F20.1 (schizophrenia)
- Schizophrenia, schizophrenicF20.9
- disorganized F20.1 (type)
- hebephrenic F20.1 (type)