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Q82.4

Billable

Ectodermal dysplasia (anhidrotic)

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

What This Code Means

A congenital condition where the skin and sweat glands fail to develop normally, resulting in inability to sweat and characteristic facial features.

Coding Tips

  • Anhidrotic type is the most common form; specify if other types are present
  • Document associated complications such as heat intolerance or dental abnormalities

Excludes 1 — Do NOT code together

  • Ellis-van Creveld syndrome (Q77.6)

Code Hierarchy

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