ICD-10 Guide

Basilar Atelectasis

ICD-10 Coding for Basilar Atelectasis(J98.11)

PRIMARY SPECIALTYPulmonology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Basilar Atelectasis?

Essential facts and insights about Basilar Atelectasis

Key Clinical Considerations:

Dyspnea or shortness of breath
Decreased breath sounds on auscultation
Chest X-ray showing opacification of the affected lung area

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history including risk factors (e.g., recent surgery, immobility)
Detailed description of imaging findings
Assessment of respiratory function and symptoms

Coding Guidelines

Usage Guidelines & Examples

Ensure correct code selection based on imaging findings.
Common errors include misclassifying atelectasis as pneumonia.

Code Exclusions

Important Exclusions

Pneumonia, lung tumors, and other obstructive lung diseases.
Alternative codes for other types of atelectasis.

Specialty Focus

Primary Specialty

Pulmonology

Specialty Applications

Patients with respiratory conditions, post-operative patients, and those with prolonged immobility.
Clinical settings include hospitals, outpatient clinics, and pulmonary rehabilitation 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 patient history, imaging results, and clinical findings.

Billing considerations?

Ensure accurate coding to reflect the specific type of atelectasis for proper reimbursement.

Basilar Atelectasis

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?

Basilar Atelectasis

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?