2025 ICD-10-CM Diagnosis Code F22

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Delusional disorders

  • F22 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 F22 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of F22 – other international versions of ICD-10 F22 may differ.

Applicable To

  • Delusional dysmorphophobia
  • Involutional paranoid state
  • Paranoia
  • Paranoia querulans
  • Paranoid psychosis
  • Paranoid state
  • Paraphrenia (late)
  • Sensitiver Beziehungswahn

Type 1 Excludes

  • mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)
  • paranoid schizophrenia (F20.0)

Type 2 Excludes

  • paranoid personality disorder (F60.0)
  • paranoid psychosis, psychogenic (F23)
  • paranoid reaction (F23)

The following code(s) above F22 contain annotation back-references

 that may be applicable to F22:

  • F01-F99  Mental, Behavioral and Neurodevelopmental disorders

Approximate Synonyms

  • Alzheimer’s disease with behavioral disturbance and delusions
  • Alzheimers dementia w behavioral disturbance w delusions
  • Alzheimers dementia w delusions
  • Alzheimers dementia, early onset, w delusions
  • Chronic paranoid psychosis
  • Delusion of parasitosis
  • Delusional disorder
  • Delusional disorder, erotomanic type
  • Delusional disorder, erotomatic
  • Delusional disorder, grandiose
  • Delusional disorder, grandiose type
  • Delusional disorder, jealous
  • Delusional disorder, jealous type
  • Delusional disorder, mixed
  • Delusional disorder, mixed type
  • Delusional disorder, persecutory
  • Delusional disorder, persecutory type
  • Delusional disorder, somatic
  • Delusional disorder, somatic type
  • Delusional parasitosis
  • Delusions in alzheimer’s disease
  • Dementia, presenile with delusions
  • Dementia, senile with delusion
  • Early onset dementia with delusions
  • Erotomanic delusion disorder
  • Grandiose delusion disorder
  • Involutional paraphrenia
  • Jealous delusion disorder
  • Mental condition
  • Multi infarct dementia with delusions
  • Organic delusional disorder
  • Paranoia querulans
  • Paranoid delusion
  • Paranoid disorder
  • Paranoid state
  • Paranoid state in remission
  • Paranoid state, simple
  • Paraphrenia
  • Persecutory delusion disorder
  • Presenile dementia with delusions
  • Primary degenerative dementia of the alzheimer type, presenile onset, with delusions
  • Senile dementia w delusions
  • Senile dementia with delusion
  • Simple paranoid state
  • Somatic delusion disorder
  • Vascular dementia w delusions
  • Vascular dementia, with delusions

Clinical Information

  • A disorder characterized by the presence of one or more nonbizarre delusions that persist for at least 1 month; the delusion(s) are not due to schizophrenia or a mood disorder, and do not impair psychosocial functioning apart from the ramifications of the delusion(s).
  • A kind of psychotic disorder
  • A mental disorder in which a person has an extreme fear and distrust of others. A paranoid person may have delusions that people are trying to harm him or her.
  • Chronic mental disorders in which there has been an insidious development of a permanent and unshakeable delusional system (persecutory delusions or delusions of jealousy), accompanied by preservation of clear and orderly thinking. Emotional responses and behavior are consistent with the delusional state.
  • Disorder with presentation of a facade of coldness with characteristic pervasive mistrust and suspiciousness of others.
  • Gradual development of an elaborate and complex delusional system, usually involving persecutory or grandiose delusions with few other signs of personality or thought disturbance.
  • Mild paranoia in nonpsychotic persons.
  • Psychotic behavior accompanied by persecutory or grandiose delusions with few other signs of personality or thought disturbance.

ICD-10-CM F22 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

Convert F22 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

Code annotations containing back-references to F22:

  • Type 1 Excludes: F20.0, F20.0
  • Type 2 Excludes: F06.2, F45.2, F45.2, F60.0, F60.0, F60.0, F60.0, F60.1

Diagnosis Index entries containing back-references to F22:

  • Climacteric (female) – see also Menopause
    • paranoid state F22
  • Cotard’s syndrome F22
  • Disorder (of) – see also Disease
    • delusional (persistent) (systematized) F22
    • paranoid F22
  • Dysmorphophobia (nondelusional) F45.22
    • delusional F22
  • Insanity, insane – see also Psychosis
    • delusional F22
  • Lycanthropy F22
  • Menopause, menopausal (asymptomatic) (state) Z78.0
    • paranoid state F22
  • Paranoia (querulans) F22
  • Paranoid
    • psychosis (climacteric) (involutional) (menopausal) F22
    • reaction (acute) F23
      • chronic F22
    • state (climacteric) (involutional) (menopausal) (simple) F22
  • Paraphrenia, paraphrenic (late) F22
  • Persecution
    • delusion F22
  • Psychosis, psychoticF29
    • involutionalF28
      • paranoid F22 (state)
    • paranoid (climacteric) (involutional) (menopausal) F22
    • paranoiac F22
  • Reaction – see also Disorder
    • paranoid (acute) F23
      • chronic F22
  • Sander’s disease F22 (paranoia)
  • Sensitiver Beziehungswahn F22
  • State (of)
    • paranoid F22
      • climacteric F22
      • involutional F22
      • menopausal F22
      • simple F22
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