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ICD-10 Guide
ICD-10 CodesChapter 2: NeoplasmsD38

D38

Billable

Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs

Chapter 2:Neoplasms

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

Code Description

ICD-10 D38 is a billable code used to indicate a diagnosis of neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs.

Key Diagnostic Point:

Neoplasms of uncertain behavior are tumors that do not fit neatly into benign or malignant categories. This code specifically pertains to neoplasms located in the middle ear, respiratory tract, and intrathoracic organs, which may exhibit atypical features that complicate diagnosis and management. These neoplasms can arise from various tissues, including epithelial, mesenchymal, or neuroectodermal origins. Due to their uncertain behavior, these tumors may have the potential for progression to malignancy, necessitating careful surveillance and follow-up. Clinicians must evaluate the tumor's characteristics, including size, growth rate, and histological features, to determine the appropriate management strategy. Regular imaging and clinical assessments are often required to monitor for changes that may indicate malignant transformation. The ambiguity surrounding these neoplasms can lead to challenges in treatment planning and patient counseling, making accurate coding essential for appropriate reimbursement and care coordination.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in tumor behavior and characteristics
  • Need for comprehensive documentation of clinical findings
  • Potential for progression to malignancy requiring ongoing surveillance
  • Differentiation from benign and malignant neoplasms

Audit Risk Factors

  • Inadequate documentation of tumor characteristics
  • Failure to document surveillance plans
  • Misclassification as benign or malignant
  • Lack of follow-up notes indicating tumor behavior changes

Specialty Focus

Medical Specialties

Otolaryngology

Documentation Requirements

Detailed descriptions of tumor location, size, and histological findings.

Common Clinical Scenarios

Evaluation of middle ear tumors, management of respiratory tract neoplasms.

Billing Considerations

Ensure thorough documentation of imaging studies and follow-up plans.

Pulmonology

Documentation Requirements

Comprehensive pulmonary function tests and imaging results.

Common Clinical Scenarios

Assessment of lung nodules and intrathoracic masses.

Billing Considerations

Document any multidisciplinary discussions regarding management.

Coding Guidelines

Inclusion Criteria

Use D38 When
  • Follow ICD
  • CM guidelines for neoplasms, ensuring accurate documentation of tumor behavior and characteristics
  • Include relevant clinical findings and treatment plans

Exclusion Criteria

Do NOT use D38 When
  • Exclude codes for clearly benign or malignant tumors

Related CPT Codes

31231CPT Code

Nasal endoscopy, diagnostic

Clinical Scenario

Used when evaluating nasal or sinus neoplasms.

Documentation Requirements

Document indications for the procedure and findings.

Specialty Considerations

Otolaryngologists should ensure thorough documentation of 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 and management of these conditions, improving patient care and reimbursement processes.

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 and management of these conditions, improving patient care and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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 is the significance of coding D38?

Coding D38 is crucial for accurately representing neoplasms of uncertain behavior, which require careful monitoring and management. Proper coding ensures appropriate reimbursement and facilitates coordinated care among healthcare providers.