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v1.0.0
ICD-10 Guide
DiagnosesMixed Urinary Incontinence

Mixed Urinary Incontinence

ICD-10 Coding for Mixed Urinary Incontinence(N39.46)

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

Diagnosis Overview

What is Mixed Urinary Incontinence?
Essential facts and insights about Mixed Urinary Incontinence

Key Clinical Considerations:

  • Involuntary leakage of urine associated with urgency and/or exertion, sneezing, or coughing
  • Urodynamic studies showing both stress and urge incontinence
  • Pelvic examination revealing pelvic floor weakness or abnormalities

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including onset, frequency, and severity of symptoms
  • Use of specific terms like 'mixed urinary incontinence' in clinical notes
  • Examples of documentation: 'Patient reports episodes of both urge and stress incontinence.'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for mixed incontinence coding; ensure to differentiate from pure stress or urge incontinence.
  • Common errors include using incorrect codes for mixed symptoms or failing to document both types of incontinence.

Code Exclusions

Important Exclusions

  • Pure stress urinary incontinence (N39.3) and pure urge urinary incontinence (N39.41)
  • Alternative codes for other urinary disorders not related to mixed incontinence

Related ICD-10 Codes

Primary Codes
N39.46
Mixed urinary incontinence
Ancillary Codes
R35.0
R35.1
Differential Codes
N39.3
N39.41

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Urology

Specialty Applications

  • Adult patients, particularly women post-menopause or those with pelvic floor disorders
  • Urology clinics, primary care settings, and specialty incontinence centers

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

Documentation requirements?

Include detailed patient history, symptom description, and diagnostic test results.

Billing considerations?

Ensure correct coding to avoid denials; consider modifiers for additional services.