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ICD-10 Guide
ICD-10 CodesF18.920

F18.920

Billable

Inhalant use, unspecified with intoxication, uncomplicated

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

Code Description

ICD-10 F18.920 is a billable code used to indicate a diagnosis of inhalant use, unspecified with intoxication, uncomplicated.

Key Diagnostic Point:

F18.920 refers to the use of inhalants, which are substances that produce chemical vapors that can be inhaled to induce psychoactive effects. This code is used when a patient presents with symptoms of intoxication due to inhalant use, but the specific inhalant is not identified. Symptoms of intoxication may include euphoria, dizziness, hallucinations, and impaired motor function. Uncomplicated intoxication indicates that the patient does not exhibit severe complications such as respiratory distress, seizures, or other life-threatening conditions. Inhalant use can lead to substance use disorders, characterized by a pattern of inhalant use leading to significant impairment or distress. Treatment often involves behavioral therapies, counseling, and support groups, as well as addressing any co-occurring mental health issues. Understanding the nuances of inhalant use and its effects is crucial for accurate coding and effective treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Unspecified nature of inhalant use complicates diagnosis.
  • Variety of inhalants can lead to different clinical presentations.
  • Potential for co-occurring mental health disorders.
  • Need for comprehensive documentation to support diagnosis.

Audit Risk Factors

  • Inadequate documentation of inhalant type.
  • Failure to document the severity of intoxication.
  • Lack of evidence for treatment plans.
  • Inconsistent coding with clinical notes.

Specialty Focus

Medical Specialties

Addiction Medicine

Documentation Requirements

Detailed history of substance use, including frequency and quantity of inhalant use.

Common Clinical Scenarios

Patients presenting with acute intoxication, withdrawal symptoms, or seeking treatment for inhalant use disorder.

Billing Considerations

Consideration of co-occurring mental health disorders and the need for a multidisciplinary approach.

Psychiatry

Documentation Requirements

Comprehensive psychiatric evaluation, including mental status examination and risk assessment.

Common Clinical Scenarios

Patients with a history of inhalant use presenting with mood disorders or psychosis.

Billing Considerations

Assessment of underlying psychiatric conditions that may contribute to substance use.

Coding Guidelines

Inclusion Criteria

Use F18.920 When
  • According to ICD
  • 10 coding guidelines, F18
  • 920 should be used when the specific inhalant is not identified, and the intoxication is uncomplicated
  • Coders should ensure that the documentation supports the diagnosis and reflects the patient's clinical status

Exclusion Criteria

Do NOT use F18.920 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

H0001CPT Code

Behavioral health assessment

Clinical Scenario

Used when assessing a patient for inhalant use disorder.

Documentation Requirements

Complete assessment notes detailing the patient's history and current status.

Specialty Considerations

Addiction specialists should ensure comprehensive evaluations are conducted.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of substance use disorders, including inhalants. This specificity aids in better tracking of substance use trends and improves treatment planning.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of substance use disorders, including inhalants. This specificity aids in better tracking of substance use trends and improves treatment planning.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of substance use disorders, including inhalants. This specificity aids in better tracking of substance use trends and improves treatment planning.

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 should I document to support the use of F18.920?

Document the patient's history of inhalant use, symptoms of intoxication, and any treatment provided. Ensure that the documentation reflects the uncomplicated nature of the intoxication.