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ICD-10 Coding for Delusional Disorder(F22)

Complete ICD-10-CM coding and documentation guide for Delusional Disorder. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Paranoid DisorderPsychotic Disorder with Delusionsdelusionspsychotic delusionparanoia

Related ICD-10 Code Ranges

Complete code families applicable to Delusional Disorder

F20-F29Primary Range

Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders

This range includes delusional disorder and related psychotic disorders.

Key Information: ICD-10 code for delusional disorder

Essential facts and insights about Delusional Disorder

The ICD-10 code for delusional disorder is F22, used for delusions lasting at least one month without other psychotic symptoms.

Primary ICD-10-CM Code for delusional disorder

Delusional disorders
Billable Code

Decision Criteria

clinical Criteria

  • Delusions present for at least one month without other psychotic symptoms.

coding Criteria

  • Do not use if delusions are due to a medical condition.

Applicable To

  • Persecutory delusions
  • Grandiose delusions
  • Erotomanic delusions
  • Jealous delusions
  • Somatic delusions

Excludes

  • Schizophrenia (F20.-)
  • Brief psychotic disorder (F23)
  • Shared psychotic disorder (F24)

Clinical Validation Requirements

  • Delusions lasting ≥1 month
  • Absence of hallucinations, disorganized speech, or negative symptoms
  • Minimal functional decline

Code-Specific Risks

  • Misclassification if hallucinations or disorganized speech are present
  • Incorrect use if delusions are due to a medical condition

Coding Notes

  • Ensure documentation specifies the type of delusion and rules out other psychotic symptoms.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Psychotic disorder with delusions due to known physiological condition

F06.2
Use when delusions are secondary to a medical condition.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Schizophrenia

F20
Presence of hallucinations, disorganized speech, or negative symptoms.

Brief psychotic disorder

F23
Symptoms last less than one month.

Schizoaffective disorder

F25
Prominent mood episodes along with psychotic symptoms.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Delusional Disorder to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code F22.

Impact

Clinical: Misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials or audits.

Mitigation Strategy

Use structured documentation templates., Ensure detailed clinical assessments.

Impact

Reimbursement: Incorrect coding can lead to claim denials., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Use F06.2 when delusions are secondary to a medical condition.

Impact

Using F22 instead of F06.2 when delusions are due to a medical condition.

Mitigation Strategy

Implement coding audits and training on proper code selection.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Delusional Disorder, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Delusional Disorder

Use these documentation templates to ensure complete and accurate documentation for Delusional Disorder. These templates include all required elements for proper coding and billing.

Outpatient Psychiatric Evaluation

Specialty: Psychiatry

Required Elements

  • Type of delusion
  • Duration of symptoms
  • Functional impact
  • Absence of other psychotic features
  • Ruling out medical/substance causes

Example Documentation

Patient reports believing neighbors are spying via cameras installed in home for 8 weeks. No hallucinations noted. TSH and urine toxicology negative. Maintains job as accountant.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has delusions.
Good Documentation Example
Patient presents with non-bizarre persecutory delusions lasting 6 weeks, without hallucinations or disorganized speech, maintaining social functioning.
Explanation
The good example provides specific details on the type, duration, and impact of delusions, meeting documentation requirements.

Need help with ICD-10 coding for Delusional Disorder? Ask your questions below.

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