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ICD-10 Guide
ICD-10 CodesF19.931

F19.931

Billable

Other psychoactive substance use, unspecified with withdrawal delirium

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

Code Description

ICD-10 F19.931 is a billable code used to indicate a diagnosis of other psychoactive substance use, unspecified with withdrawal delirium.

Key Diagnostic Point:

F19.931 refers to a condition characterized by the use of psychoactive substances that are not specifically classified elsewhere, leading to withdrawal symptoms that include delirium. This condition is often seen in individuals who have developed a dependence on various substances, such as synthetic drugs, hallucinogens, or other non-specific psychoactive agents. Withdrawal delirium is a severe form of withdrawal that can manifest as confusion, agitation, hallucinations, and autonomic instability. It is critical for healthcare providers to recognize these symptoms promptly, as they can lead to significant morbidity and require immediate medical intervention. Treatment typically involves supportive care, stabilization of vital signs, and possibly the use of medications to manage symptoms. Understanding the nuances of this diagnosis is essential for effective treatment and accurate coding, as it reflects the complexity of substance use disorders and the need for tailored therapeutic approaches.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Variety of substances that can fall under 'other psychoactive substances'
  • Need for thorough documentation of withdrawal symptoms and their severity
  • Differentiation from other substance use disorders and withdrawal states
  • Potential for co-occurring mental health disorders

Audit Risk Factors

  • Inadequate documentation of the specific substance used
  • Failure to document the severity of withdrawal symptoms
  • Lack of evidence for the diagnosis of delirium
  • Inconsistent coding practices across providers

Specialty Focus

Medical Specialties

Addiction Medicine

Documentation Requirements

Detailed history of substance use, withdrawal symptoms, and treatment response.

Common Clinical Scenarios

Patients presenting with acute withdrawal symptoms, requiring detoxification.

Billing Considerations

Consideration of co-occurring mental health disorders and comprehensive treatment planning.

Psychiatry

Documentation Requirements

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

Common Clinical Scenarios

Patients experiencing severe agitation or confusion due to withdrawal.

Billing Considerations

Monitoring for potential complications and the need for psychiatric intervention.

Coding Guidelines

Inclusion Criteria

Use F19.931 When
  • According to ICD
  • 10 guidelines, F19
  • 931 should be used when the specific psychoactive substance is not identified, but the patient exhibits withdrawal delirium
  • Coders must ensure that the documentation supports the diagnosis and that all relevant symptoms are recorded

Exclusion Criteria

Do NOT use F19.931 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

H0031CPT Code

Mental health assessment

Clinical Scenario

Used when assessing a patient with withdrawal delirium.

Documentation Requirements

Comprehensive assessment notes detailing symptoms and history.

Specialty Considerations

Addiction specialists should document substance use history thoroughly.

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 the ability to capture withdrawal delirium as a distinct condition. This specificity aids in better tracking of treatment outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of substance use disorders, including the ability to capture withdrawal delirium as a distinct condition. This specificity aids in better tracking of treatment outcomes and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of substance use disorders, including the ability to capture withdrawal delirium as a distinct condition. This specificity aids in better tracking of treatment outcomes and resource allocation.

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 significance of using F19.931?

F19.931 is significant as it captures cases of withdrawal delirium from unspecified psychoactive substances, allowing for appropriate treatment and resource allocation.