F22: Delusional disorders

F22 refers to Delusional disorders, a category of psychotic disorders characterized by disruptions in thinking, perception, emotional regulation, and behavior. These conditions often involve hallucinations, delusions, disorganized speech or behavior, and significant functional impairment.

Symptoms

• Delusions – Strongly held false beliefs not based in reality
• Hallucinations – Seeing, hearing, or feeling things that aren’t there
• Disorganized thinking – Evident through incoherent speech or erratic responses
• Social withdrawal – A common sign in schizophrenia and schizoaffective disorders
• Mood symptoms – Depression or mania seen in F25 schizoaffective disorders
• Suspiciousness or paranoia – Particularly in F22 delusional disorder
• Short-term confusion – Seen in F23 brief psychotic disorder

Diagnosis

Diagnosis of Delusional disorders includes psychiatric evaluation, observation over time, ruling out substance use or physiological causes, and using DSM-5 or ICD10 criteria. Neuroimaging or labs may be used to exclude other conditions like tumors or infections.

ICD10 Code Usage

ICD10 code F22 is primarily used in psychiatry, neurology, and general medicine to document psychotic disorders that are not substance-induced. It facilitates care coordination, medication management, insurance coding, and longitudinal mental health monitoring.

Related Codes

• F20 – Schizophrenia
• F21 – Schizotypal disorder
• F23 – Brief psychotic disorder
• F24 – Shared psychotic disorder
• F25 – Schizoaffective disorders
• F28 – Other psychotic disorder not due to a substance or known physiological condition
• F29 – Unspecified psychosis not due to a substance or known physiological condition

FAQs

Q1: What is ICD10 code F22?
A: This code refers to Delusional disorders, a psychotic disorder not caused by substances or medical illness, often affecting thought and behavior.

Q2: Are these conditions lifelong?
A: Some conditions like schizophrenia and schizoaffective disorder are chronic, while others like brief psychotic disorder may resolve fully.

Q3: What is the treatment approach?
A: Antipsychotic medications, psychotherapy, psychosocial rehabilitation, and sometimes hospitalization.

Q4: How are these disorders different from mood or anxiety disorders?
A: Psychotic disorders primarily affect perception and cognition, while mood/anxiety disorders affect emotion and arousal.

Q5: Who manages these disorders?
A: Psychiatrists, psychologists, social workers, and community mental health teams.

Conclusion

ICD10 code F22 is crucial for identifying and managing Delusional disorders. Accurate coding enables targeted psychiatric treatment, long-term care planning, and supports mental health advocacy and research initiatives.