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 CodesD39.1

D39.1

Billable

Neoplasm of uncertain behavior of ovary

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

Code Description

ICD-10 D39.1 is a billable code used to indicate a diagnosis of neoplasm of uncertain behavior of ovary.

Key Diagnostic Point:

A neoplasm of uncertain behavior of the ovary refers to a tumor that exhibits atypical cellular characteristics but does not meet the criteria for malignancy. These neoplasms can be benign or have the potential to progress to malignancy, making them a significant concern in gynecological health. The diagnosis is often made through imaging studies and histopathological examination. Surveillance is crucial, as these tumors may require monitoring for changes in size or behavior. The clinical management may involve regular imaging, surgical intervention, or referral to oncology specialists, depending on the tumor's characteristics and the patient's overall health. The uncertainty surrounding these neoplasms necessitates a careful approach to treatment and follow-up, as the risk of progression to ovarian cancer varies among patients. Accurate coding is essential for appropriate management and reimbursement, as well as for tracking outcomes in this patient population.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in tumor behavior and potential for malignancy
  • Need for comprehensive documentation of clinical findings
  • Differentiation from other ovarian neoplasms
  • Potential for changes in diagnosis over time

Audit Risk Factors

  • Inadequate documentation of tumor characteristics
  • Failure to note surveillance or follow-up plans
  • Misclassification of tumor behavior
  • Lack of multidisciplinary notes in the medical record

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed descriptions of imaging studies, histopathology reports, and clinical assessments.

Common Clinical Scenarios

Patients presenting with pelvic masses, abnormal imaging findings, or incidental findings during surgery.

Billing Considerations

Ensure that all findings are documented clearly to support the diagnosis of uncertain behavior.

Oncology

Documentation Requirements

Comprehensive treatment plans, follow-up notes, and any changes in tumor behavior.

Common Clinical Scenarios

Patients referred for evaluation of ovarian masses with uncertain behavior.

Billing Considerations

Collaboration with gynecologists for accurate staging and treatment planning.

Coding Guidelines

Inclusion Criteria

Use D39.1 When
  • According to ICD
  • 10 guidelines, D39
  • 1 should be used when the neoplasm's behavior is uncertain and cannot be classified as benign or malignant
  • It is essential to document the clinical rationale for this classification and any relevant imaging or pathology results

Exclusion Criteria

Do NOT use D39.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58661CPT Code

Laparoscopy, surgical, with removal of ovarian cyst

Clinical Scenario

Used when a patient with a neoplasm of uncertain behavior undergoes surgical intervention.

Documentation Requirements

Operative report detailing the findings and rationale for surgery.

Specialty Considerations

Ensure that the diagnosis of D39.1 is clearly linked to the procedure.

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 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 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 'neoplasm of uncertain behavior' mean?

It refers to a tumor that shows atypical features but does not meet the criteria for malignancy. These tumors require careful monitoring as they may progress.