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ICD-10 Guide
ICD-10 CodesF19.1

F19.1

Billable

Other psychoactive substance abuse

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

Code Description

ICD-10 F19.1 is a billable code used to indicate a diagnosis of other psychoactive substance abuse.

Key Diagnostic Point:

F19.1 refers to the abuse of psychoactive substances that do not fall under the more commonly classified categories such as alcohol, opioids, or stimulants. This includes substances like hallucinogens, inhalants, and other drugs that can lead to significant impairment or distress. Patients may present with a range of symptoms including cravings, withdrawal symptoms, and behavioral changes. The diagnosis of substance abuse requires a pattern of use that leads to clinically significant impairment or distress, as evidenced by recurrent substance-related legal problems, social or interpersonal issues, or neglect of major responsibilities. Treatment often involves a combination of behavioral therapies, counseling, and support groups, with a focus on addressing both the psychological and physical aspects of addiction. Withdrawal symptoms can vary widely depending on the substance involved, and may require medical intervention to manage safely. Accurate coding is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of substances classified under this code
  • Need for comprehensive patient history to determine substance use
  • Differentiation between abuse and dependence
  • Potential for co-occurring mental health disorders

Audit Risk Factors

  • Inadequate documentation of substance use history
  • Failure to specify the type of psychoactive substance
  • Misclassification of substance abuse vs. dependence
  • Lack of evidence for treatment necessity

Specialty Focus

Medical Specialties

Addiction Medicine

Documentation Requirements

Detailed substance use history, including types and amounts of substances used, duration of use, and previous treatment attempts.

Common Clinical Scenarios

Patients presenting with withdrawal symptoms, those seeking detoxification, or individuals in need of rehabilitation services.

Billing Considerations

Documentation must clearly differentiate between abuse and dependence, and include any co-occurring mental health conditions.

Psychiatry

Documentation Requirements

Comprehensive mental health evaluation, including assessment of mood, behavior, and any psychiatric comorbidities.

Common Clinical Scenarios

Patients with dual diagnoses, such as depression or anxiety alongside substance abuse.

Billing Considerations

Psychiatric evaluations should include a thorough review of the patient's psychosocial history and any previous treatment for substance use.

Coding Guidelines

Inclusion Criteria

Use F19.1 When
  • According to ICD
  • 10 guidelines, F19
  • 1 should be used when the substance abuse does not fit into more specific categories
  • Coders must ensure that the diagnosis is supported by clinical documentation and that the substance type is clearly identified

Exclusion Criteria

Do NOT use F19.1 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 abuse treatment.

Documentation Requirements

Document the assessment findings and treatment recommendations.

Specialty Considerations

Addiction specialists should ensure comprehensive evaluations are performed.

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, enabling better tracking of treatment outcomes and resource allocation. F19.1 provides a broader category for psychoactive substances, which can help in understanding trends in substance abuse.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of substance use disorders, enabling better tracking of treatment outcomes and resource allocation. F19.1 provides a broader category for psychoactive substances, which can help in understanding trends in substance abuse.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of substance use disorders, enabling better tracking of treatment outcomes and resource allocation. F19.1 provides a broader category for psychoactive substances, which can help in understanding trends in substance abuse.

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 types of substances are included under F19.1?

F19.1 includes a variety of psychoactive substances not classified under specific categories, such as hallucinogens, inhalants, and other drugs that can lead to abuse.

How can I differentiate between substance abuse and dependence?

Substance abuse is characterized by harmful use leading to significant impairment, while dependence involves a physical or psychological reliance on the substance, often with withdrawal symptoms.