ICD-10 Guide

Acute Bacterial Bronchitis

ICD-10 Coding for Acute Bacterial Bronchitis(J20.1, J20.2, J20.8)

PRIMARY SPECIALTYPulmonology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Acute Bacterial Bronchitis?

Acute Bacterial Bronchitis is an inflammation of the bronchial tubes caused by bacterial infection, often following a viral respiratory infection. Key clinical points include: 1) It typically presents with a productive cough, wheezing, and shortness of breath. 2) Diagnosis is often made based on clinical presentation and history, with consideration of recent viral infections. 3) Common pathogens include Streptococcus pneumoniae and Haemophilus influenzae. 4) Treatment usually involves antibiotics if bacterial infection is confirmed or highly suspected. 5) It is important to differentiate from chronic bronchitis and other respiratory conditions. Typical use cases for this diagnosis code include outpatient visits for patients presenting with acute respiratory symptoms and a history of recent viral infections. Etiologically, it often follows viral infections, leading to secondary bacterial colonization. Pathophysiologically, the infection leads to inflammation and mucus production, causing airway obstruction. Clinically, patients may exhibit fever, malaise, and chest discomfort, alongside respiratory symptoms.

Key Clinical Considerations:

Diagnosis requires evidence of acute onset of symptoms such as cough, sputum production, and wheezing.
Signs include fever, tachypnea, and abnormal lung auscultation findings.
Resolution is indicated by the cessation of cough and improvement in respiratory function.
Laboratory findings may include elevated white blood cell count and sputum culture showing bacterial growth.

Clinical Information

Clinical Criteria & Documentation Requirements

Documentation must include a clear statement of the diagnosis, symptoms, and clinical findings.
Compliant documentation: 'Patient diagnosed with acute bacterial bronchitis based on clinical presentation and sputum culture results.' Non-compliant: 'Patient has a cough.'
Template phrases: 'Patient presents with cough and fever consistent with acute bacterial bronchitis.'
Medical necessity must be established through documentation of symptoms and treatment rationale.

Coding Guidelines

Usage Guidelines & Examples

Use this code when a patient presents with acute bronchitis symptoms following a viral infection, confirmed by clinical findings.
Do NOT use this code for chronic bronchitis or bronchitis due to non-bacterial causes.
Correct usage example: 'Patient diagnosed with acute bacterial bronchitis after presenting with cough and fever.' Incorrect: 'Patient has bronchitis without further specification.'
Common errors include misdiagnosing chronic bronchitis as acute; ensure clear documentation of symptom duration.

Code Exclusions

Important Exclusions

Excluded conditions include chronic bronchitis (J42) and bronchitis due to non-infectious causes.
Alternative codes for exclusions may include J44 for COPD exacerbations.
Common exclusion errors include misclassifying chronic conditions as acute; ensure accurate patient history.
Certain conditions are excluded to maintain specificity in coding and ensure appropriate treatment pathways.

Specialty Focus

Primary Specialty

Pulmonology

Specialty Applications

This diagnosis applies to patients with acute onset of bronchitis symptoms, particularly after viral infections.
Appropriate in outpatient settings where patients present with cough and respiratory distress.
Considerations vary between inpatient and outpatient settings; outpatient coding may require more detailed symptom documentation.
Specialty-specific considerations include pulmonology and primary care practices managing respiratory conditions.

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

Template 1

Template: 'Acute bacterial bronchitis diagnosed based on clinical findings and sputum culture.'

Template 2

Template: 'Patient presents with cough and fever consistent with acute bacterial bronchitis.'

Template 3

Template: 'Diagnostic criteria met: cough, sputum production, and wheezing observed.'

Template 4

Template: 'Treatment plan includes antibiotics and symptomatic relief for acute bacterial bronchitis.'

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 documentation is required for this code?

Documentation must include patient history, clinical findings, and treatment rationale.

When should this code be used vs similar codes?

Use this code for acute bacterial infections; consider J20.9 for unspecified bronchitis.

What are common billing issues with this code?

Issues often arise from lack of detailed documentation; ensure all symptoms and treatments are clearly noted.

What procedures are commonly associated?

Related CPT codes may include 99213 for office visits and 71020 for chest X-rays.

What is Acute Bacterial Bronchitis?

Key Clinical Considerations:

Diagnosis requires evidence of acute onset of symptoms such as cough, sputum production, and wheezing.
Signs include fever, tachypnea, and abnormal lung auscultation findings.
Resolution is indicated by the cessation of cough and improvement in respiratory function.
Laboratory findings may include elevated white blood cell count and sputum culture showing bacterial growth.

Acute Bacterial Bronchitis

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

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?

Acute Bacterial Bronchitis

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

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?