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ICD-10 Guide
ICD-10 CodesF19.131

F19.131

Billable

Other psychoactive substance abuse with withdrawal delirium

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

Code Description

ICD-10 F19.131 is a billable code used to indicate a diagnosis of other psychoactive substance abuse with withdrawal delirium.

Key Diagnostic Point:

F19.131 refers to a diagnosis of other psychoactive substance abuse characterized by the presence of withdrawal delirium. This condition arises when an individual who has been using psychoactive substances, such as hallucinogens, inhalants, or other non-specified drugs, experiences severe cognitive disturbances, altered consciousness, and perceptual disturbances upon cessation or reduction of substance use. Withdrawal delirium can manifest as confusion, agitation, hallucinations, and autonomic instability, which can pose significant risks to the patient’s health and safety. The diagnosis requires careful assessment of the patient's substance use history, clinical presentation, and the timing of withdrawal symptoms. Treatment typically involves supportive care, pharmacotherapy to manage symptoms, and rehabilitation programs to address the underlying substance use disorder. Accurate coding is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of psychoactive substances that can lead to similar symptoms.
  • Need for comprehensive patient history to determine substance use.
  • Differentiation between withdrawal delirium and other psychiatric conditions.
  • Potential for co-occurring mental health disorders complicating diagnosis.

Audit Risk Factors

  • Inadequate documentation of substance use history.
  • Failure to document the severity and duration of withdrawal symptoms.
  • Misclassification of withdrawal symptoms as other psychiatric disorders.
  • Lack of evidence for the diagnosis of delirium.

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed psychiatric evaluation, including substance use history and mental status examination.

Common Clinical Scenarios

Patients presenting with acute confusion and agitation following substance cessation.

Billing Considerations

Consideration of co-occurring mental health disorders and their impact on treatment.

Addiction Medicine

Documentation Requirements

Comprehensive assessment of substance use patterns and withdrawal symptoms.

Common Clinical Scenarios

Patients in detoxification programs experiencing withdrawal delirium.

Billing Considerations

Integration of treatment plans with behavioral health interventions.

Coding Guidelines

Inclusion Criteria

Use F19.131 When
  • According to ICD
  • 10 coding guidelines, F19
  • 131 should be used when there is clear documentation of psychoactive substance abuse with withdrawal delirium
  • The diagnosis must be supported by clinical evidence of withdrawal symptoms occurring after cessation of substance use

Exclusion Criteria

Do NOT use F19.131 When
  • Exclusion criteria include cases where delirium is attributed to other medical conditions

Related ICD-10 Codes

Related CPT Codes

H0031CPT Code

Mental health assessment

Clinical Scenario

Used when assessing a patient with suspected withdrawal delirium.

Documentation Requirements

Comprehensive mental health evaluation notes.

Specialty Considerations

Psychiatric and addiction medicine specialists should document the assessment 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 withdrawal delirium. This specificity aids in better tracking of treatment outcomes and resource allocation for patients with substance use disorders.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of substance use disorders, including withdrawal delirium. This specificity aids in better tracking of treatment outcomes and resource allocation for patients with substance use disorders.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of substance use disorders, including withdrawal delirium. This specificity aids in better tracking of treatment outcomes and resource allocation for patients with substance use disorders.

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 are the key symptoms of withdrawal delirium?

Key symptoms include confusion, agitation, hallucinations, and autonomic instability, which can be life-threatening if not managed properly.