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v1.0.0
ICD-10 Guide
ICD-10 CodesN77.0

N77.0

Billable

Ulceration of vulva in diseases classified elsewhere

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

Code Description

ICD-10 N77.0 is a billable code used to indicate a diagnosis of ulceration of vulva in diseases classified elsewhere.

Key Diagnostic Point:

Ulceration of the vulva can occur as a result of various underlying conditions classified elsewhere in the ICD-10 system. This includes disorders of the Bartholin's glands, which can lead to cysts or abscesses that may ulcerate. Vulvovaginitis, an inflammation of the vulva and vagina, can also contribute to ulceration, often due to infections (bacterial, viral, or fungal) or irritants. Inflammatory conditions of the female genital tract, such as lichen sclerosus or lichen planus, may present with ulcerative lesions on the vulva. Accurate diagnosis is crucial, as the underlying cause of the ulceration must be identified to guide appropriate treatment. Clinicians should document the specific disease process leading to the ulceration, as this will influence coding and management strategies. The presence of ulceration may indicate a more severe underlying condition, necessitating thorough evaluation and management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying conditions that can lead to vulvar ulceration.
  • Need for precise documentation of the primary disease causing the ulceration.
  • Potential for overlapping symptoms with other vulvar conditions.
  • Variability in clinical presentation and severity of ulceration.

Audit Risk Factors

  • Inadequate documentation of the underlying condition.
  • Failure to specify the type of ulceration.
  • Misclassification of the ulceration as a primary diagnosis.
  • Lack of supporting clinical evidence for the diagnosis.

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed clinical notes on the nature of the ulceration, including size, appearance, and associated symptoms.

Common Clinical Scenarios

Patients presenting with vulvar pain, itching, or discharge, often with a history of Bartholin's gland issues or vulvovaginitis.

Billing Considerations

Ensure that the underlying cause is clearly documented to support the use of N77.0.

Dermatology

Documentation Requirements

Comprehensive skin assessments and descriptions of lesions, including any biopsy results.

Common Clinical Scenarios

Patients with chronic vulvar dermatitis or inflammatory skin conditions leading to ulceration.

Billing Considerations

Document any relevant skin conditions that may contribute to vulvar ulceration.

Coding Guidelines

Inclusion Criteria

Use N77.0 When
  • According to ICD
  • 10 guidelines, N77
  • 0 should be used when the ulceration of the vulva is a manifestation of a disease classified elsewhere
  • Coders must ensure that the primary diagnosis is clearly documented and that the ulceration is not coded as a primary condition unless specified

Exclusion Criteria

Do NOT use N77.0 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58150CPT Code

Total abdominal hysterectomy

Clinical Scenario

When a patient with chronic vulvar ulceration undergoes a hysterectomy due to associated gynecological issues.

Documentation Requirements

Operative report detailing the procedure and indication for surgery.

Specialty Considerations

Gynecologists should ensure that the diagnosis supports the surgical intervention.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like vulvar ulceration, improving the ability to capture the complexity of these cases and ensuring better data for treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like vulvar ulceration, improving the ability to capture the complexity of these cases and ensuring better data for treatment outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like vulvar ulceration, improving the ability to capture the complexity of these cases and ensuring better data for treatment 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 should be documented to support the use of N77.0?

Documentation should include the specific underlying condition causing the ulceration, clinical findings, and any relevant history or treatment provided.