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ICD-10 Guide
ICD-10 CodesF18.150

F18.150

Billable

Inhalant abuse with inhalant-induced psychotic disorder with delusions

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 F18.150 is a billable code used to indicate a diagnosis of inhalant abuse with inhalant-induced psychotic disorder with delusions.

Key Diagnostic Point:

F18.150 refers to a condition characterized by the abuse of inhalants, which are substances that produce chemical vapors that can be inhaled to induce psychoactive effects. This code specifically denotes the presence of inhalant-induced psychotic disorder, which manifests as delusions. Individuals with this disorder may experience significant alterations in perception, thought processes, and behavior due to the toxic effects of inhalants on the central nervous system. Symptoms can include hallucinations, paranoia, and severe mood disturbances. The onset of these symptoms typically occurs during or shortly after inhalant use, and they can persist even after the substance has been cleared from the body. Treatment often involves a combination of detoxification, psychiatric support, and rehabilitation programs aimed at addressing both the substance use disorder and the underlying psychological issues. Effective management requires a multidisciplinary approach, including medical, psychological, and social interventions to support recovery and prevent relapse.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between inhalant-induced psychotic disorder and other substance-induced disorders.
  • Need for comprehensive documentation of both inhalant use and psychotic symptoms.
  • Potential for co-occurring mental health disorders complicating diagnosis.
  • Variability in presentation of symptoms based on the type of inhalant used.

Audit Risk Factors

  • Inadequate documentation of inhalant use history.
  • Failure to document the duration and severity of psychotic symptoms.
  • Lack of evidence for the relationship between inhalant use and psychotic disorder.
  • Misclassification of the disorder as a primary diagnosis without supporting evidence.

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed psychiatric evaluation notes, including history of substance use and mental status examination.

Common Clinical Scenarios

Patients presenting with acute psychosis following inhalant use, requiring hospitalization.

Billing Considerations

Ensure clear documentation of the timeline of inhalant use and onset of psychotic symptoms.

Addiction Medicine

Documentation Requirements

Comprehensive substance use history and treatment plan, including detoxification protocols.

Common Clinical Scenarios

Patients in outpatient treatment programs for inhalant abuse with concurrent mental health issues.

Billing Considerations

Document any co-occurring disorders and treatment strategies employed.

Coding Guidelines

Inclusion Criteria

Use F18.150 When
  • Follow the ICD
  • CM coding guidelines for substance use disorders, ensuring that the inhalant use is documented as the primary issue leading to the psychotic disorder
  • Include any relevant history of substance use and mental health evaluations

Exclusion Criteria

Do NOT use F18.150 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99214CPT Code

Established patient office visit, level 4

Clinical Scenario

Used for follow-up visits for patients with inhalant abuse and psychotic symptoms.

Documentation Requirements

Document the patient's history, mental status, and treatment plan.

Specialty Considerations

Psychiatrists should include detailed notes on the patient's progress and response to treatment.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of inhalant-related disorders, improving the ability to track and manage these conditions. F18.150 provides a clear distinction between inhalant abuse and its psychological consequences, facilitating better treatment and research opportunities.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of inhalant-related disorders, improving the ability to track and manage these conditions. F18.150 provides a clear distinction between inhalant abuse and its psychological consequences, facilitating better treatment and research opportunities.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of inhalant-related disorders, improving the ability to track and manage these conditions. F18.150 provides a clear distinction between inhalant abuse and its psychological consequences, facilitating better treatment and research opportunities.

Resources

Clinical References

  • •
    Substance Abuse and Mental Health Services Administration (SAMHSA)

Coding & Billing References

  • •
    Substance Abuse and Mental Health Services Administration (SAMHSA)

Frequently Asked Questions

What are the primary symptoms of inhalant-induced psychotic disorder?

Symptoms include delusions, hallucinations, paranoia, and significant mood disturbances that arise during or shortly after inhalant use.