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v1.0.0
ICD-10 Guide
ICD-10 CodesD39.9

D39.9

Billable

Neoplasm of uncertain behavior of female genital organ, unspecified

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

Code Description

ICD-10 D39.9 is a billable code used to indicate a diagnosis of neoplasm of uncertain behavior of female genital organ, unspecified.

Key Diagnostic Point:

D39.9 refers to neoplasms of uncertain behavior affecting the female genital organs, where the specific nature of the neoplasm is not clearly defined. These neoplasms may present as benign or malignant, but their behavior cannot be definitively categorized based on histological examination. This uncertainty necessitates careful monitoring and follow-up, as there is potential for progression to malignancy. Clinicians often recommend regular surveillance through imaging and biopsies to assess any changes in size or characteristics. The management of these neoplasms may involve a multidisciplinary approach, including gynecologists, oncologists, and pathologists, to ensure appropriate treatment and monitoring strategies are in place. The lack of specificity in the diagnosis can complicate treatment decisions and coding, as it requires thorough documentation to justify the use of this code in clinical practice.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

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

Audit Risk Factors

  • Inadequate documentation of follow-up care
  • Failure to specify the site of the neoplasm
  • Lack of clarity in the behavior of the neoplasm
  • Insufficient justification for the use of this code

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed documentation of the neoplasm's characteristics, follow-up plans, and any imaging or biopsy results.

Common Clinical Scenarios

Encountering patients with abnormal imaging findings or biopsy results that indicate a neoplasm of uncertain behavior.

Billing Considerations

Ensure that all follow-up appointments and surveillance strategies are documented to support the ongoing management of the neoplasm.

Oncology

Documentation Requirements

Comprehensive records of treatment plans, patient history, and any multidisciplinary consultations.

Common Clinical Scenarios

Managing patients with neoplasms that require further evaluation for potential malignancy.

Billing Considerations

Collaboration with pathologists for accurate histological assessment and documentation of findings.

Coding Guidelines

Inclusion Criteria

Use D39.9 When
  • According to ICD
  • 10 coding guidelines, D39
  • 9 should be used when the neoplasm's behavior is uncertain and cannot be classified as benign or malignant
  • Coders must ensure that the documentation supports the use of this code and that all relevant clinical information is included

Exclusion Criteria

Do NOT use D39.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58150CPT Code

Total abdominal hysterectomy

Clinical Scenario

Performed when a neoplasm of uncertain behavior is suspected to be causing significant symptoms.

Documentation Requirements

Operative report detailing the findings and rationale for surgery.

Specialty Considerations

Gynecologists should ensure that the indication for surgery is clearly documented.

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. D39.9 provides a clear classification for neoplasms 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. D39.9 provides a clear classification for neoplasms 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. D39.9 provides a clear classification for neoplasms 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 D39.9 indicate?

D39.9 indicates a neoplasm of uncertain behavior in the female genital organs, where the specific nature of the neoplasm cannot be clearly defined.

When should D39.9 be used?

D39.9 should be used when there is a neoplasm of uncertain behavior that does not fit into a more specific category, and adequate documentation supports its use.

What are the implications of coding D39.9?

Coding D39.9 implies that the neoplasm requires ongoing surveillance and monitoring due to its uncertain behavior, which may lead to further evaluation or treatment.