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v1.0.0
ICD-10 Guide
ICD-10 CodesN90.0

N90.0

Billable

Mild vulvar dysplasia

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/18/2025

Code Description

ICD-10 N90.0 is a billable code used to indicate a diagnosis of mild vulvar dysplasia.

Key Diagnostic Point:

Mild vulvar dysplasia is a precancerous condition characterized by abnormal changes in the cells of the vulva, which may be detected through a biopsy. This condition is often associated with human papillomavirus (HPV) infection, particularly types that are known to cause cervical dysplasia. Patients may present with symptoms such as itching, irritation, or visible lesions on the vulva, although many cases are asymptomatic. Diagnosis typically involves a thorough gynecological examination, and histological evaluation of vulvar tissue. Mild dysplasia indicates that the abnormal cells are confined to the lower third of the epithelial layer, suggesting a low risk of progression to invasive cancer. Regular monitoring and follow-up are essential, as the condition can resolve spontaneously or progress to more severe dysplastic changes. Treatment options may include topical therapies, surgical excision, or close observation, depending on the severity and patient factors. Understanding the implications of mild vulvar dysplasia is crucial for effective management and patient education regarding HPV vaccination and screening.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between mild, moderate, and severe dysplasia
  • Need for precise documentation of biopsy results
  • Potential overlap with other vulvar conditions
  • Variability in clinical presentation and symptoms

Audit Risk Factors

  • Inadequate documentation of biopsy results
  • Failure to specify the degree of dysplasia
  • Misclassification of dysplastic changes
  • Lack of follow-up documentation

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed biopsy reports, clinical notes on symptoms, and follow-up plans.

Common Clinical Scenarios

Routine screening, management of abnormal Pap smears, and treatment of vulvar lesions.

Billing Considerations

Ensure clear documentation of the dysplasia grade and any associated HPV findings.

Pathology

Documentation Requirements

Histopathological reports detailing the degree of dysplasia and any associated findings.

Common Clinical Scenarios

Evaluation of vulvar biopsies and correlation with clinical findings.

Billing Considerations

Accurate reporting of dysplastic changes is critical for appropriate coding.

Coding Guidelines

Inclusion Criteria

Use N90.0 When
  • According to ICD
  • 10 guidelines, N90
  • 0 should be used when mild vulvar dysplasia is confirmed through biopsy
  • It is essential to document the findings clearly and to follow the coding conventions for precancerous conditions

Exclusion Criteria

Do NOT use N90.0 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

57061CPT Code

Excision, vulva

Clinical Scenario

Used when surgical intervention is required for dysplastic lesions.

Documentation Requirements

Operative reports detailing the procedure and findings.

Specialty Considerations

Ensure that the diagnosis of mild dysplasia 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 dysplastic conditions, improving the accuracy of patient records and treatment plans.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of dysplastic conditions, improving the accuracy of patient records and treatment plans.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of dysplastic conditions, improving the accuracy of patient records and treatment plans.

Resources

Clinical References

  • •
    CDC HPV Vaccine Information

Coding & Billing References

  • •
    CDC HPV Vaccine Information

Frequently Asked Questions

What is the significance of mild vulvar dysplasia?

Mild vulvar dysplasia is a precancerous condition that requires monitoring and may necessitate treatment to prevent progression to more severe dysplasia or cancer.