ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesF16.120

F16.120

Billable

Hallucinogen abuse with intoxication, uncomplicated

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

Code Description

ICD-10 F16.120 is a billable code used to indicate a diagnosis of hallucinogen abuse with intoxication, uncomplicated.

Key Diagnostic Point:

Hallucinogen abuse with intoxication, uncomplicated (F16.120) refers to the use of hallucinogenic substances that leads to a state of intoxication without the presence of any complicating factors such as withdrawal symptoms or co-occurring mental health disorders. Hallucinogens, including substances like LSD, psilocybin mushrooms, and mescaline, can cause significant alterations in perception, mood, and cognitive processes. Patients may experience visual or auditory hallucinations, altered sense of time, and profound changes in thought patterns. The uncomplicated nature of this diagnosis indicates that the individual is not experiencing severe physiological or psychological complications that often accompany substance use disorders. Treatment typically involves supportive care, monitoring, and counseling, focusing on harm reduction and education about the risks associated with hallucinogen use. It is crucial for healthcare providers to assess the patient's history of substance use, mental health status, and any potential for future substance abuse to provide appropriate interventions.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between uncomplicated and complicated intoxication.
  • Understanding the nuances of hallucinogen types and their effects.
  • Documenting the absence of withdrawal symptoms accurately.
  • Navigating co-occurring mental health conditions.

Audit Risk Factors

  • Inadequate documentation of the patient's substance use history.
  • Failure to specify the type of hallucinogen used.
  • Lack of evidence for the uncomplicated nature of the intoxication.
  • Misclassification of the condition as complicated.

Specialty Focus

Medical Specialties

Addiction Medicine

Documentation Requirements

Detailed patient history, substance use patterns, and treatment plans.

Common Clinical Scenarios

Patients presenting with acute intoxication, requiring monitoring and supportive care.

Billing Considerations

Consideration of co-occurring mental health disorders and the need for integrated treatment approaches.

Psychiatry

Documentation Requirements

Comprehensive mental health evaluations and treatment progress notes.

Common Clinical Scenarios

Patients with a history of hallucinogen use presenting with psychological symptoms.

Billing Considerations

Assessment of underlying mental health conditions that may influence treatment.

Coding Guidelines

Inclusion Criteria

Use F16.120 When
  • According to ICD
  • 10 coding guidelines, F16
  • 120 should be used when a patient presents with hallucinogen intoxication without withdrawal or other complications
  • Documentation must support the diagnosis and clarify the uncomplicated nature of the intoxication

Exclusion Criteria

Do NOT use F16.120 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

H0031CPT Code

Mental health assessment

Clinical Scenario

Used for initial assessment of patients presenting with hallucinogen intoxication.

Documentation Requirements

Comprehensive assessment notes detailing the patient's mental state and substance use history.

Specialty Considerations

Addiction specialists should focus on substance use patterns and potential for future abuse.

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 hallucinogen abuse, improving the ability to track and manage these conditions effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of substance use disorders, including hallucinogen abuse, improving the ability to track and manage these conditions effectively.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of substance use disorders, including hallucinogen abuse, improving the ability to track and manage these conditions effectively.

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 is the difference between F16.120 and F16.121?

F16.120 is used for uncomplicated hallucinogen intoxication, while F16.121 is for cases where withdrawal symptoms are present.