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ICD-10 Guide
ICD-10 CodesF19.129

F19.129

Billable

Other psychoactive substance abuse with intoxication, unspecified

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

Code Description

ICD-10 F19.129 is a billable code used to indicate a diagnosis of other psychoactive substance abuse with intoxication, unspecified.

Key Diagnostic Point:

F19.129 refers to the abuse of psychoactive substances that do not fall under the more specifically defined categories in the ICD-10 coding system. This code is used when a patient presents with signs of intoxication due to the use of substances such as synthetic drugs, inhalants, or other non-specified psychoactive agents. Symptoms of intoxication may include altered mental status, impaired judgment, mood changes, and physical symptoms such as tremors or agitation. The diagnosis of substance abuse is characterized by a pattern of use leading to significant impairment or distress, including recurrent substance-related legal problems, social or interpersonal issues, and neglect of major responsibilities. Treatment often involves detoxification, counseling, and rehabilitation programs tailored to the individual’s needs. Accurate coding is crucial for appropriate treatment planning and reimbursement, as well as for tracking the prevalence of substance use disorders in the population.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of substances that can be classified under this code
  • Need for detailed documentation of substance use history
  • Differentiation from other substance use disorders
  • Potential for co-occurring mental health disorders

Audit Risk Factors

  • Inadequate documentation of substance use history
  • Failure to specify the type of psychoactive substance
  • Lack of evidence for the diagnosis of intoxication
  • Inconsistent coding with clinical notes

Specialty Focus

Medical Specialties

Addiction Medicine

Documentation Requirements

Comprehensive substance use history, including types of substances used, frequency, and duration of use.

Common Clinical Scenarios

Patients presenting with acute intoxication, withdrawal symptoms, or complications from substance use.

Billing Considerations

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

Psychiatry

Documentation Requirements

Detailed psychiatric evaluation, including mental status examination and assessment of substance-related impairments.

Common Clinical Scenarios

Patients with dual diagnoses of substance use disorder and other psychiatric conditions.

Billing Considerations

Importance of documenting the impact of substance use on mental health and treatment outcomes.

Coding Guidelines

Inclusion Criteria

Use F19.129 When
  • According to ICD
  • 10 guidelines, F19
  • 129 should be used when there is evidence of psychoactive substance abuse with intoxication, but the specific substance is not identified
  • Coders should ensure that documentation supports the diagnosis and that other potential causes of intoxication are ruled out

Exclusion Criteria

Do NOT use F19.129 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

H0031CPT Code

Mental health assessment

Clinical Scenario

Used when assessing a patient for substance use disorders.

Documentation Requirements

Document the assessment findings and treatment recommendations.

Specialty Considerations

Addiction specialists may require additional details on substance use history.

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, improving the ability to track and treat these conditions. F19.129 provides a necessary option for cases where the substance is not specified, ensuring that patients receive appropriate care.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of substance use disorders, improving the ability to track and treat these conditions. F19.129 provides a necessary option for cases where the substance is not specified, ensuring that patients receive appropriate care.

Reimbursement & Billing Impact

reimbursement.

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 F19.129?

Document the patient's substance use history, specific symptoms of intoxication, and any relevant treatment plans. Ensure that the clinical notes clearly indicate the diagnosis and support the coding choice.