ICD-10 Guide

Reactive Airway Disease

ICD-10 Coding for Reactive Airway Disease(J45.909, R06.02)

PRIMARY SPECIALTYPulmonology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Reactive Airway Disease?

Essential facts and insights about Reactive Airway Disease

Key Clinical Considerations:

Wheezing
Shortness of breath
Coughing, especially at night or early morning
Chest tightness
History of exposure to allergens or irritants

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history of asthma or allergic reactions
Details of symptoms and their frequency
Results of spirometry or peak flow measurements
Response to bronchodilator therapy
Specific terminology such as 'reactive airway disease' or 'asthma-like symptoms'

Coding Guidelines

Usage Guidelines & Examples

Use J45 codes for asthma-related conditions; avoid using codes for unrelated respiratory issues.
Common errors include misclassifying the severity of asthma or failing to document prior treatments.

Code Exclusions

Important Exclusions

Chronic obstructive pulmonary disease (COPD)
Other respiratory conditions such as pneumonia or lung cancer
Alternative codes for specific types of asthma

Specialty Focus

Primary Specialty

Pulmonology

Specialty Applications

Patients with a history of asthma or allergic reactions
Pulmonology clinics, emergency departments, and 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

What are the documentation requirements?

Document patient history, symptoms, and response to treatment.

What are the billing considerations?

Ensure accurate coding to reflect the severity and type of asthma.

Reactive Airway Disease

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

What are the documentation requirements?

What are the billing considerations?

Reactive Airway Disease

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

What are the documentation requirements?

What are the billing considerations?