ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesQ33.5

Q33.5

Billable

Ectopic tissue in lung

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 Q33.5 is a billable code used to indicate a diagnosis of ectopic tissue in lung.

Key Diagnostic Point:

Ectopic tissue in the lung refers to the presence of lung tissue in an abnormal location, which can occur due to developmental anomalies during embryogenesis. This condition is classified as a congenital malformation of the respiratory system. Ectopic lung tissue may arise from abnormal branching of the bronchial tree or from the migration of lung tissue during fetal development. Clinically, it may present with respiratory distress, recurrent infections, or may be asymptomatic and discovered incidentally on imaging studies. The management of ectopic lung tissue often involves surgical intervention, especially if the tissue is causing complications. It is essential to differentiate this condition from other congenital malformations such as choanal atresia, tracheoesophageal fistula, and lung hypoplasia, which have distinct pathophysiological mechanisms and clinical implications. Accurate coding is crucial for appropriate treatment planning and resource allocation in pediatric care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and symptoms
  • Need for imaging studies to confirm diagnosis
  • Differentiation from other congenital lung anomalies
  • Potential for associated chromosomal abnormalities

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify the location of ectopic tissue
  • Misclassification with other respiratory congenital anomalies
  • Lack of surgical documentation if applicable

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed clinical notes including symptoms, imaging results, and treatment plans are essential for accurate coding.

Common Clinical Scenarios

Pediatric patients presenting with respiratory distress or recurrent pneumonia may require evaluation for ectopic lung tissue.

Billing Considerations

Consideration of associated congenital anomalies and the need for multidisciplinary care is crucial.

Genetics

Documentation Requirements

Genetic testing results and family history documentation are important for identifying potential chromosomal abnormalities associated with congenital lung conditions.

Common Clinical Scenarios

Genetic counseling may be necessary for families with a history of congenital malformations.

Billing Considerations

Awareness of syndromic associations with ectopic lung tissue is important for accurate coding.

Coding Guidelines

Inclusion Criteria

Use Q33.5 When
  • Follow the official ICD
  • CM coding guidelines for congenital malformations, ensuring that all relevant clinical information is documented and that the code accurately reflects the patient's condition

Exclusion Criteria

Do NOT use Q33.5 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

32551CPT Code

Thoracotomy with excision of ectopic lung tissue

Clinical Scenario

Used when surgical intervention is required for symptomatic ectopic lung tissue.

Documentation Requirements

Operative reports detailing the procedure and findings.

Specialty Considerations

Pediatric surgical documentation must include age-specific considerations.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital conditions, including ectopic lung tissue, which enhances the ability to track and manage these cases effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, including ectopic lung tissue, which enhances the ability to track and manage these cases effectively.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital conditions, including ectopic lung tissue, which enhances the ability to track and manage these cases effectively.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What are the common symptoms of ectopic lung tissue?

Common symptoms include respiratory distress, recurrent infections, and in some cases, the condition may be asymptomatic and discovered incidentally on imaging.