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v1.0.0
ICD-10 Guide
ICD-10 CodesD38.1

D38.1

Billable

Neoplasm of uncertain behavior of trachea, bronchus and lung

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 D38.1 is a billable code used to indicate a diagnosis of neoplasm of uncertain behavior of trachea, bronchus and lung.

Key Diagnostic Point:

D38.1 refers to neoplasms of uncertain behavior located in the trachea, bronchus, and lung. These neoplasms are characterized by their ambiguous histological features, which do not allow for a definitive classification as benign or malignant. Clinically, they may present with respiratory symptoms such as cough, hemoptysis, or obstructive phenomena, but they can also be asymptomatic. The uncertain behavior indicates that while these neoplasms may not exhibit aggressive characteristics, there is a potential for progression to malignancy. Surveillance is crucial, as the clinical management may involve regular imaging studies and biopsies to monitor for changes in size or behavior. The decision-making process for treatment can be complex, often requiring a multidisciplinary approach involving pulmonologists, oncologists, and pathologists to determine the best course of action based on the individual patient's risk factors and clinical presentation.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Ambiguity in histological classification
  • Need for ongoing surveillance and monitoring
  • Potential for progression to malignancy
  • Variability in clinical presentation

Audit Risk Factors

  • Inadequate documentation of surveillance protocols
  • Failure to specify the location of the neoplasm
  • Lack of clarity on the behavior of the neoplasm
  • Inconsistent follow-up documentation

Specialty Focus

Medical Specialties

Pulmonology

Documentation Requirements

Detailed imaging reports, biopsy results, and clinical notes on symptoms and follow-up plans.

Common Clinical Scenarios

Patients presenting with cough, hemoptysis, or incidental findings on imaging.

Billing Considerations

Ensure clear documentation of the neoplasm's behavior and any changes over time.

Oncology

Documentation Requirements

Comprehensive treatment plans, pathology reports, and follow-up assessments.

Common Clinical Scenarios

Patients with a history of neoplasms requiring monitoring for potential malignancy.

Billing Considerations

Document any multidisciplinary discussions regarding treatment options and patient management.

Coding Guidelines

Inclusion Criteria

Use D38.1 When
  • According to ICD
  • 10 coding guidelines, D38
  • 1 should be used when the neoplasm's behavior is uncertain and cannot be classified as benign or malignant
  • Coders should ensure that the documentation supports the diagnosis and includes details about the location and any relevant clinical findings

Exclusion Criteria

Do NOT use D38.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

31625CPT Code

Bronchoscopy, rigid or flexible

Clinical Scenario

Used for diagnostic evaluation of lung neoplasms.

Documentation Requirements

Document indication for bronchoscopy, findings, and any biopsies taken.

Specialty Considerations

Pulmonologists should ensure thorough documentation of the procedure and findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. This specificity aids in better tracking of patient outcomes and resource allocation for surveillance and treatment.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. This specificity aids in better tracking of patient outcomes and resource allocation for surveillance and treatment.

Reimbursement & Billing Impact

reimbursement.

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 does 'uncertain behavior' mean in the context of D38.1?

Uncertain behavior indicates that the neoplasm cannot be definitively classified as benign or malignant based on histological examination, necessitating careful monitoring and potential intervention.