- F23 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM F23 became effective on October 1, 2022.
- This is the American ICD-10-CM version of F23 – other international versions of ICD-10 F23 may differ.
ICD-10-CM F23 is grouped within Diagnostic Related Group(s):
- 885 Psychoses
Applicable To
- Paranoid reaction
- Psychogenic paranoid psychosis
Type 2 Excludes
- mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 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
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to F23:
- schizophreniform, brief > Attack, attacks
- psychotic > Disorder (of)
- transient (acute) > psychotic F23
- brief > schizophreniform F20.81
- psychotic > Episode
- schizophrenic NEC, brief (acute) > Episode
- psychogenic (acute) > psychosis (climacteric) (involutional) (menopausal) F22
- reaction (acute) > Paranoid
- acute (transient) > Psychosis, psychotic F29
- reactive > confusional F29
- cycloid > Psychosis, psychotic F29
- episode > Psychosis, psychotic F29
- psychogenic (acute) > paranoid (climacteric) (involutional) (menopausal) F22
- psychogenic (paranoid) > Psychosis, psychotic F29
- reactive (brief) (transient) (emotional stress) (psychological trauma) > Psychosis, psychotic F29
- brief > schizophreniform F20.81
- confusional type > schizophreniform F20.81
- situational (reactive) > Psychosis, psychotic F29
- paranoid (acute) > Reaction
- schizophrenic > Reaction
- acute (brief) (undifferentiated) > schizophrenic F23
- undifferentiated (acute) (brief) > schizophrenic F23
- acute (brief) (undifferentiated) > Schizophrenia, schizophrenic F20.9
- reaction > Schizophrenia, schizophrenic F20.9
- oneiroid (schizophrenia-like) > State (of)