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ICD-10 Guide
ICD-10 CodesD39.10

D39.10

Billable

Neoplasm of uncertain behavior of unspecified ovary

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

Code Description

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

Key Diagnostic Point:

D39.10 refers to a neoplasm of uncertain behavior located in the ovary, where the specific nature of the tumor is not definitively classified as benign or malignant. Neoplasms of uncertain behavior can present a diagnostic challenge, as they may exhibit characteristics that suggest potential malignancy but do not meet the criteria for a definitive malignant diagnosis. These tumors may arise from various cell types within the ovary and can vary in their growth patterns and potential for progression. Surveillance is critical in managing these cases, as the risk of progression to malignancy can vary significantly based on histological features and patient factors. Regular monitoring through imaging and clinical evaluations is essential to detect any changes in the tumor's behavior. The management of patients with D39.10 often involves a multidisciplinary approach, including gynecologists, oncologists, and pathologists, to ensure appropriate follow-up and intervention if necessary.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Uncertainty in behavior classification
  • Need for thorough documentation of clinical findings
  • Potential for progression requiring ongoing surveillance
  • Variability in histological characteristics

Audit Risk Factors

  • Inadequate documentation of tumor characteristics
  • Failure to document 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 tumor characteristics, imaging results, and follow-up plans.

Common Clinical Scenarios

Initial diagnosis of an ovarian mass, follow-up imaging for tumor growth, and management of patients with uncertain behavior tumors.

Billing Considerations

Ensure clear documentation of the tumor's behavior and any changes noted during follow-up visits.

Oncology

Documentation Requirements

Comprehensive treatment plans, histopathology reports, and ongoing surveillance documentation.

Common Clinical Scenarios

Consultation for potential malignancy, treatment planning for neoplasms of uncertain behavior, and monitoring for progression.

Billing Considerations

Collaboration with pathologists for accurate histological classification and documentation of treatment response.

Coding Guidelines

Inclusion Criteria

Use D39.10 When
  • According to ICD
  • 10 coding guidelines, D39
  • 10 should be used when the neoplasm's behavior is uncertain and the specific ovary is not identified
  • Coders should ensure that the diagnosis is supported by clinical documentation and that any follow
  • up plans are clearly outlined

Exclusion Criteria

Do NOT use D39.10 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58661CPT Code

Laparoscopy, surgical, with removal of adnexal mass

Clinical Scenario

Used when a patient with D39.10 undergoes surgical intervention for an ovarian mass.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Ensure that the diagnosis aligns with the surgical procedure performed.

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. D39.10 provides a clear classification for tumors that do not fit neatly into benign or malignant categories, facilitating better tracking and management of these cases.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. D39.10 provides a clear classification for tumors that do not fit neatly into benign or malignant categories, facilitating better tracking and management of these cases.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. D39.10 provides a clear classification for tumors that do not fit neatly into benign or malignant categories, facilitating better tracking and management of these cases.

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 cannot be definitively classified as benign or malignant based on current clinical and pathological information.

How often should patients with D39.10 be monitored?

Patients should be monitored regularly, typically every 3-6 months, depending on the tumor's characteristics and clinical judgment.