ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
DiagnosesPolysubstance Use Disorder

Polysubstance Use Disorder

ICD-10 Coding for Polysubstance Use Disorder(F19.10, F19.20)

PRIMARY SPECIALTYPsychiatry
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Polysubstance Use Disorder?
Essential facts and insights about Polysubstance Use Disorder

Key Clinical Considerations:

  • Recurrent use of multiple substances leading to significant impairment or distress.
  • No single substance predominates in use; patterns of use may vary.
  • Withdrawal symptoms or tolerance to multiple substances.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of substance use, including types and quantities.
  • Evidence of impairment in social, occupational, or other areas of functioning.
  • Use of standardized assessment tools for substance use.

Coding Guidelines

Usage Guidelines & Examples

  • Follow DSM-5 criteria for accurate diagnosis.
  • Common errors include misidentifying the primary substance of use.

Code Exclusions

Important Exclusions

  • Substance use disorders limited to a single substance.
  • Conditions such as alcohol use disorder or opioid use disorder that are coded separately.

Related ICD-10 Codes

Primary Codes
F19.20
Polysubstance use disorder, unspecified
F19.21
Polysubstance use disorder, in remission
Ancillary Codes
T40.6X1A
T40.5X5A
Differential Codes
F19.20
F19.20
if dependence criteria are met, including tolerance or withdrawal.
F19.10
F19.10
if no dependence criteria are met.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Psychiatry

Specialty Applications

  • Individuals with a history of using multiple substances.
  • Psychiatric settings, addiction treatment centers, and outpatient clinics.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Document the types of substances used, frequency, and impact on functioning.

What are the billing considerations?

Ensure accurate coding to reflect the severity and specific substances involved.