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ICD-10 Coding for Methadone Dependence(F11.20, F11.21)

Complete ICD-10-CM coding and documentation guide for Methadone Dependence. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Opioid Dependence on MethadoneMethadone Addiction

Related ICD-10 Code Ranges

Complete code families applicable to Methadone Dependence

F11.20-F11.29Primary Range

Opioid-related disorders

This range includes codes for opioid dependence, abuse, and use, specifically focusing on methadone.

Long-term (current) use of opiate analgesic

Used for patients on methadone maintenance therapy without documented dependence.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
F11.20Opioid dependence, uncomplicatedUse when there is documented methadone dependence without remission.
  • Documented physiological dependence
  • DSM-5 criteria for opioid use disorder
F11.21Opioid dependence, in remissionUse when the patient has been in remission for at least 12 months.
  • No withdrawal symptoms for 12 months
  • Stable methadone dose

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for methadone dependence

Essential facts and insights about Methadone Dependence

The ICD-10 code for methadone dependence is F11.20 for uncomplicated cases and F11.21 for those in remission.

Primary ICD-10-CM Codes for methadone dependence

Opioid dependence, uncomplicated
Billable Code

Decision Criteria

clinical Criteria

  • Presence of withdrawal symptoms and tolerance.

documentation Criteria

  • Detailed history of methadone use and dependence.

Applicable To

  • Methadone dependence

Excludes

Clinical Validation Requirements

  • Documented physiological dependence
  • DSM-5 criteria for opioid use disorder

Code-Specific Risks

  • Incorrectly coding as abuse or use when dependence is documented.

Coding Notes

  • Ensure documentation supports the diagnosis of dependence, not just use.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Long-term (current) use of opiate analgesic

Z79.891
Use alongside F11.21 for patients on methadone maintenance therapy.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Opioid dependence, in remission

F11.21
Use when the patient has been in remission for at least 12 months.

Opioid dependence, uncomplicated

F11.20
Use when there is active dependence without remission.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Methadone Dependence to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code F11.20.

Impact

Clinical: Misrepresentation of patient's treatment progress., Regulatory: Non-compliance with coding standards., Financial: Potential for incorrect billing and reimbursement.

Mitigation Strategy

Regularly update patient records with remission status., Ensure all staff are trained on documentation standards.

Impact

Reimbursement: Incorrect reimbursement due to misclassification., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate data on substance use disorders.

Mitigation Strategy

Use F11.20 or F11.21 depending on remission status.

Impact

Inadequate documentation of methadone maintenance therapy.

Mitigation Strategy

Ensure comprehensive documentation of treatment plans and patient compliance.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Methadone Dependence, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Methadone Dependence

Use these documentation templates to ensure complete and accurate documentation for Methadone Dependence. These templates include all required elements for proper coding and billing.

Methadone Dependence Documentation

Specialty: Addiction Medicine

Required Elements

  • Substance use history
  • Current methadone dose
  • Urine drug screen results
  • Comorbid conditions

Example Documentation

[Patient Name] - MMT Visit 3/29/25 ------------------------------------- **Substance Use History:** - Opioid dependence dx: 2018 (DSM-5 criteria met) - MMT start: 1/5/23 @ 80mg/day, current dose: 85mg/day **Current Status:** - Last positive UDS: N/A (6 consecutive clean screens) - Withdrawal symptoms: Denies (COWS=2) - Risk behaviors: No missed doses ×90 days **Comorbidities:** - F32.9: Major depressive disorder, stable on sertraline - B18.2: Chronic hepatitis C, viral load undetectable **Plan:** - Continue methadone 85mg daily - Next UDS: 4/15/25

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient uses methadone.
Good Documentation Example
Opioid dependence with daily cravings, withdrawal symptoms when dose delayed, and continued use despite hepatitis C diagnosis.
Explanation
The good example provides specific details about dependence and associated conditions, supporting the use of F11.20.

Need help with ICD-10 coding for Methadone Dependence? Ask your questions below.

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