ICD-10 Guide

Increased Urinary Frequency

ICD-10 Coding for Increased Urinary Frequency(R35.0, N32.81)

PRIMARY SPECIALTYUrology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Increased Urinary Frequency?

Essential facts and insights about Increased Urinary Frequency

Key Clinical Considerations:

Increased frequency of urination during day and night
Urinary urgency or incontinence
Nocturia (waking at night to urinate)

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history of urinary symptoms
Frequency and volume of urination
Exclusion of urinary tract infections or other underlying conditions

Coding Guidelines

Usage Guidelines & Examples

Follow guidelines for coding urinary symptoms accurately.
Common errors include misclassifying urgency as frequency.

Code Exclusions

Important Exclusions

Urinary tract infection (N39.0)
Benign prostatic hyperplasia (N40)

Specialty Focus

Primary Specialty

Urology

Specialty Applications

Adults, elderly populations
Urology clinics, primary care settings

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?

Document patient history, symptom duration, and any relevant tests.

Billing considerations?

Ensure accurate coding to reflect the complexity of the condition.

Increased Urinary Frequency

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?

Increased Urinary Frequency

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?