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ICD-10 Guide
ICD-10 CodesF11.90

F11.90

Billable

Opioid use, unspecified, uncomplicated

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

Code Description

ICD-10 F11.90 is a billable code used to indicate a diagnosis of opioid use, unspecified, uncomplicated.

Key Diagnostic Point:

F11.90 refers to opioid use that is unspecified and uncomplicated, indicating a diagnosis of opioid use disorder without any associated complications such as withdrawal or intoxication. This code is used when a patient has a pattern of opioid use that leads to significant impairment or distress but does not meet the criteria for a more severe diagnosis. Opioid use disorder is characterized by a strong desire to use opioids, difficulty controlling use, and continued use despite harmful consequences. The condition can arise from both prescription medications and illicit drugs. Treatment options may include behavioral therapies, counseling, and medication-assisted treatment (MAT) with buprenorphine or methadone. Accurate coding is essential for appropriate treatment planning and reimbursement, as well as for tracking the prevalence of opioid use disorders in the population.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in patient presentation and severity of use
  • Need for comprehensive documentation to support diagnosis
  • Differentiation from other substance use disorders
  • Potential for co-occurring mental health conditions

Audit Risk Factors

  • Inadequate documentation of opioid use history
  • Failure to specify the type of opioid used
  • Lack of evidence for treatment interventions
  • Misclassification of severity of use

Specialty Focus

Medical Specialties

Addiction Medicine

Documentation Requirements

Detailed history of substance use, treatment history, and any co-occurring disorders.

Common Clinical Scenarios

Patients seeking help for opioid use, those in recovery programs, and individuals presenting with withdrawal symptoms.

Billing Considerations

Ensure that all treatment modalities are documented, including counseling and medication-assisted treatment.

Psychiatry

Documentation Requirements

Comprehensive mental health evaluation, including assessment of substance use and any psychiatric comorbidities.

Common Clinical Scenarios

Patients with opioid use disorder presenting with anxiety or depression.

Billing Considerations

Document any psychiatric evaluations and treatment plans that address both substance use and mental health.

Coding Guidelines

Inclusion Criteria

Use F11.90 When
  • According to ICD
  • 10 guidelines, F11
  • 90 should be used when the opioid use disorder is uncomplicated and does not involve withdrawal or intoxication
  • Documentation must support the diagnosis and indicate that the condition is not due to another medical or mental health disorder

Exclusion Criteria

Do NOT use F11.90 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

H0020CPT Code

Behavioral health counseling

Clinical Scenario

Used when providing counseling for opioid use disorder.

Documentation Requirements

Document the nature of counseling and any treatment goals.

Specialty Considerations

Addiction specialists should ensure comprehensive treatment plans are documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of opioid use disorders, improving the ability to track and manage these conditions. F11.90 provides a clear designation for uncomplicated opioid use, facilitating appropriate treatment and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of opioid use disorders, improving the ability to track and manage these conditions. F11.90 provides a clear designation for uncomplicated opioid use, facilitating appropriate treatment and reimbursement.

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 does F11.90 indicate?

F11.90 indicates opioid use disorder that is unspecified and uncomplicated, meaning the patient is experiencing issues related to opioid use but does not have withdrawal or intoxication symptoms.

When should I use F11.90?

Use F11.90 when a patient presents with a pattern of opioid use that leads to impairment or distress but does not meet the criteria for more severe opioid use disorders.