U.S. ICD-10-CM · FY 2027

F22 ICD-10-CM Code: Delusional disorders

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

F22

Delusional disorders

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where F22 sits

  1. 1

    Chapter 5

    Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

  2. 2

    Section

    Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)

  3. 3

    Category F22

    Delusional disorders

  4. 4

    Code F22

    Delusional disorders

Documentation details

Notes for this code

Inclusion terms

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

Code first

No “code first” instruction is listed for F22.

Use additional code

No “use additional code” instruction is listed for F22.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

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

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code F22 mean?

F22 is the FY 2027 U.S. ICD-10-CM code for “Delusional disorders.”

Is F22 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, F22 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is F22 located in ICD-10-CM?

F22 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29) (F20–F29), under category F22, Delusional disorders.

What coding notes are listed for F22?

Its listed inclusion terms are Delusional dysmorphophobia; Involutional paranoid state; Paranoia; Paranoia querulans; Paranoid psychosis; Paranoid state; Paraphrenia (late); Sensitiver Beziehungswahn. No code-first instruction is listed. Excludes1 notes: mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3); paranoid schizophrenia (F20.0). Excludes2 notes: paranoid personality disorder (F60.0); paranoid psychosis, psychogenic (F23); paranoid reaction (F23).

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