Hypertrophy of Vulva

Code N90.6, Hypertrophy of vulva, has been expanded to three new codes and now uniquely identifies: childhood asymmetric labium majus enlargement (CALME) (N90.61), unspecified hypertrophy of vulva (N90.60) and other specified hypertrophy of vulva (N90.69). The new codes were created at the request of the American Congress of Obstetricians and Gynecologists (ACOG) with support from the American Academy of Pediatrics (AAP). Childhood asymmetric labium majus enlargement (CALME) is a condition in which one side of the outer labia is enlarged or swollen by excess tissue growth. The extra tissue leads to an asymmetrical appearance as...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article covers an ICD-10-CM code update related to vulvar hypertrophy, including the expansion of the classification and the introduction of new categories tied to a pediatric condition. It is relevant to coders, clinicians, and compliance staff who track diagnosis code changes and specialty-driven coding updates. The article also notes the professional organizations associated with the request for the coding revision.

Why This Topic Matters

Updates to diagnosis coding can affect documentation specificity, reporting accuracy, and data capture for gynecology and pediatric-related encounters. Understanding the scope of the change helps users recognize when the broader classification has been refined into more specific categories.

What You Will Learn

  • How an ICD-10-CM diagnosis category was expanded
  • Which broad clinical scenario prompted the coding update
  • Which professional organizations were associated with the request for the revision
  • How the article frames the affected vulvar hypertrophy classification at a high level

Who Should Read This

  • Medical coders
  • Coding auditors
  • Clinical documentation staff
  • Gynecology practices
  • Pediatric practices
  • Compliance professionals

Codes Discussed

  • ICD-10-CM: N90.6
  • ICD-10-CM: N90.61
  • ICD-10-CM: N90.60
  • ICD-10-CM: N90.69

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