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v1.0.0
ICD-10 Guide
ICD-10 CodesN90.8

N90.8

Billable

Other specified noninflammatory disorders of vulva and perineum

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

Code Description

ICD-10 N90.8 is a billable code used to indicate a diagnosis of other specified noninflammatory disorders of vulva and perineum.

Key Diagnostic Point:

N90.8 encompasses a variety of noninflammatory disorders affecting the vulva and perineum that do not fall under more specific categories. These disorders can include conditions such as vulvar vestibulitis, lichen sclerosus, and other benign lesions that may cause discomfort or abnormal findings during gynecological examinations. Unlike inflammatory conditions, these disorders are characterized by the absence of significant inflammation, which can complicate diagnosis and treatment. Clinicians may encounter patients with symptoms such as itching, pain, or abnormal growths in the vulvar area, necessitating careful evaluation to rule out malignancy or other serious conditions. The management of these disorders often involves a multidisciplinary approach, including gynecologists, dermatologists, and pain specialists, to address both the physical and psychological aspects of the conditions. Accurate coding is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of conditions included under the code
  • Need for thorough clinical documentation to differentiate from inflammatory disorders
  • Potential overlap with other codes for vulvar and perineal conditions
  • Variability in clinical presentation and patient symptoms

Audit Risk Factors

  • Inadequate documentation of the specific disorder
  • Misclassification of inflammatory vs. noninflammatory conditions
  • Lack of clarity in patient symptoms and history
  • Failure to provide supporting clinical evidence for the diagnosis

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed patient history, physical examination findings, and any diagnostic tests performed.

Common Clinical Scenarios

Patients presenting with vulvar pain, itching, or abnormal lesions.

Billing Considerations

Ensure clear differentiation between inflammatory and noninflammatory conditions to avoid coding errors.

Dermatology

Documentation Requirements

Comprehensive skin examination notes, biopsy results if applicable, and treatment plans.

Common Clinical Scenarios

Diagnosis and management of skin disorders affecting the vulva.

Billing Considerations

Documentation should specify the nature of the lesions and any treatments attempted.

Coding Guidelines

Inclusion Criteria

Use N90.8 When
  • According to ICD
  • 10 guidelines, N90
  • 8 should be used when the specific noninflammatory disorder is not classified elsewhere
  • Coders must ensure that the diagnosis is supported by clinical documentation and that it does not overlap with inflammatory conditions

Exclusion Criteria

Do NOT use N90.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58150CPT Code

Total abdominal hysterectomy

Clinical Scenario

When a patient with a noninflammatory disorder requires surgical intervention.

Documentation Requirements

Operative report detailing the procedure and indication.

Specialty Considerations

Gynecologists should ensure clear documentation of the diagnosis leading to surgery.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of noninflammatory disorders, improving the granularity of data collection and facilitating better patient management and research.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of noninflammatory disorders, improving the granularity of data collection and facilitating better patient management and research.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of noninflammatory disorders, improving the granularity of data collection and facilitating better patient management and research.

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 types of conditions are included under N90.8?

N90.8 includes various noninflammatory disorders such as lichen sclerosus, vulvar vestibulitis, and other benign lesions that do not involve significant inflammation.