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ICD-10 Guide
ICD-10 CodesD39.8

D39.8

Billable

Neoplasm of uncertain behavior of other specified female genital organs

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

Code Description

ICD-10 D39.8 is a billable code used to indicate a diagnosis of neoplasm of uncertain behavior of other specified female genital organs.

Key Diagnostic Point:

D39.8 refers to neoplasms of uncertain behavior that arise from female genital organs not classified elsewhere. These neoplasms may present as benign or malignant, but their exact nature is indeterminate at the time of diagnosis. This uncertainty necessitates careful monitoring and follow-up, as the potential for progression to malignancy exists. Common sites include the vulva, vagina, cervix, and other reproductive structures. Clinicians often rely on imaging studies, biopsies, and histopathological evaluations to ascertain the behavior of these neoplasms. The management of such conditions may involve surgical intervention, observation, or further diagnostic testing, depending on the clinical scenario and patient history. Surveillance is critical, as neoplasms of uncertain behavior can exhibit changes over time, warranting a proactive approach to patient care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and behavior of neoplasms
  • Need for comprehensive documentation to support diagnosis
  • Potential overlap with other neoplasm codes
  • Requirement for ongoing surveillance and follow-up coding

Audit Risk Factors

  • Inadequate documentation of the neoplasm's behavior
  • Failure to provide follow-up care details
  • Misclassification of the neoplasm type
  • Lack of clarity in the treatment plan

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed pathology reports, imaging results, and treatment plans must be documented.

Common Clinical Scenarios

Diagnosis of a neoplasm during routine pelvic exams, abnormal Pap smears indicating potential neoplasia.

Billing Considerations

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

Oncology

Documentation Requirements

Comprehensive treatment history, including surgical notes and follow-up care.

Common Clinical Scenarios

Management of patients with neoplasms requiring multidisciplinary approaches.

Billing Considerations

Collaboration with pathology for accurate diagnosis and behavior assessment.

Coding Guidelines

Inclusion Criteria

Use D39.8 When
  • According to ICD
  • 10 guidelines, D39
  • 8 should be used when the neoplasm's behavior is uncertain and cannot be classified under more specific codes
  • It is essential to document the clinical findings and any diagnostic tests performed to support the use of this code

Exclusion Criteria

Do NOT use D39.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58100CPT Code

Total abdominal hysterectomy

Clinical Scenario

Used when a neoplasm of uncertain behavior is surgically removed.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Gynecological oncology may require additional documentation for malignancy assessment.

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 outcomes.

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 outcomes.

Reimbursement & Billing Impact

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 outcomes.

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 growth that cannot be definitively classified as benign or malignant at the time of diagnosis, requiring further evaluation and monitoring.