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L50.5

Billable

Cholinergic urticaria

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

What This Code Means

Hives that develop in response to heat, exercise, or emotional stress due to release of acetylcholine, typically appearing as small welts on the trunk and extremities.

Coding Tips

  • Cholinergic urticaria is often triggered by exercise, heat, or stress; document the specific trigger when identified
  • This condition typically presents with smaller lesions compared to other urticaria types

Code Hierarchy

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