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N90.1

Billable

Moderate vulvar dysplasia

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Moderate-stage abnormal cell growth on the vulva that shows more significant changes than mild dysplasia but is not yet cancerous.

Coding Tips

  • •Moderate dysplasia typically requires more aggressive monitoring and may warrant treatment to prevent progression
  • •Ensure pathology report clearly documents the grade of dysplasia before coding

Code Hierarchy

└N90Other noninflammatory disorders of vulva and perineum└N90.1Moderate vulvar dysplasia
└N90.1Moderate vulvar dysplasia

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