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ICD-10 Guide
ICD-10 CodesChapter 5: Mental, Behavioral and Neurodevelopmental disordersF19

F19

Billable

Other psychoactive substance related disorders

Chapter 5:Mental, Behavioral and Neurodevelopmental disorders

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

Code Description

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

Key Diagnostic Point:

F19 encompasses a range of disorders related to the use of psychoactive substances that do not fall under the more specific categories of substance use disorders. This includes conditions resulting from the use of substances such as hallucinogens, inhalants, and other non-specific psychoactive agents. Patients may present with symptoms of intoxication, withdrawal, or substance use disorders characterized by a pattern of compulsive use despite adverse consequences. The clinical picture can vary widely, from mild impairment to severe addiction, and may include physical, psychological, and social dysfunction. Treatment often involves a combination of behavioral therapies, counseling, and, in some cases, pharmacotherapy to manage withdrawal symptoms or cravings. Accurate diagnosis and coding are crucial for effective treatment planning and reimbursement processes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of substances included under this code
  • Overlap with other substance use disorder codes
  • Need for comprehensive patient history
  • 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 withdrawal symptoms
  • Lack of evidence for treatment necessity

Specialty Focus

Medical Specialties

Addiction Medicine

Documentation Requirements

Detailed substance use history, treatment plans, and progress notes.

Common Clinical Scenarios

Patients presenting with withdrawal symptoms, relapse prevention, and ongoing management of substance use disorders.

Billing Considerations

Ensure documentation reflects the severity of the disorder and any co-occurring mental health issues.

Psychiatry

Documentation Requirements

Comprehensive psychiatric evaluations, including mental status exams and risk assessments.

Common Clinical Scenarios

Patients with dual diagnoses of substance use and mental health disorders.

Billing Considerations

Accurate documentation of the relationship between substance use and psychiatric symptoms is crucial.

Coding Guidelines

Inclusion Criteria

Use F19 When
  • Follow the official ICD
  • CM coding guidelines, ensuring to document the specific substance involved and the nature of the disorder
  • Include any relevant symptoms and treatment details to support the diagnosis

Exclusion Criteria

Do NOT use F19 When
No specific exclusions found.

Related CPT Codes

H0031CPT Code

Mental health assessment

Clinical Scenario

Used when assessing a patient with suspected psychoactive substance use disorder.

Documentation Requirements

Document the assessment findings and treatment recommendations.

Specialty Considerations

Ensure the assessment aligns with the diagnosis for accurate billing.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of substance-related disorders, improving the ability to track and treat these conditions effectively. F19 provides a broader category for disorders that do not fit neatly into other classifications, allowing for better patient management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of substance-related disorders, improving the ability to track and treat these conditions effectively. F19 provides a broader category for disorders that do not fit neatly into other classifications, allowing for better patient management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of substance-related disorders, improving the ability to track and treat these conditions effectively. F19 provides a broader category for disorders that do not fit neatly into other classifications, allowing for better patient management.

Resources

Clinical References

  • •
    Substance Abuse and Mental Health Services Administration (SAMHSA)
  • •
    American Society of Addiction Medicine (ASAM)

Coding & Billing References

  • •
    Substance Abuse and Mental Health Services Administration (SAMHSA)
  • •
    American Society of Addiction Medicine (ASAM)

Frequently Asked Questions

What types of substances are included under F19?

F19 includes disorders related to the use of various psychoactive substances not specifically classified elsewhere, such as hallucinogens, inhalants, and other non-specific agents.

How do I differentiate between F19 and specific substance use disorder codes?

F19 is used when the specific substance is unknown or when the disorder does not fit into the defined categories of other substance use disorders. Always document the specifics of the substance used when possible.