L50 Urticaria

Category / Non-billable header 9 subcodes

Block: Urticaria and erythema (L49-L54)

Excludes 1 (cannot be coded together)

  • allergic contact dermatitis (L23.-)
  • angioneurotic edema (T78.3)
  • giant urticaria (T78.3)
  • hereditary angio-edema (D84.1)
  • Quincke's edema (T78.3)
  • serum urticaria (T80.6-)
  • solar urticaria (L56.3)
  • urticaria neonatorum (P83.8)
  • urticaria papulosa (L28.2)
  • urticaria pigmentosa (D47.01)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
L50..0 Allergic urticaria Yes
L50..1 Idiopathic urticaria Yes
L50..2 Urticaria due to cold and heat Yes
L50..3 Dermatographic urticaria Yes
L50..4 Vibratory urticaria Yes
L50..5 Cholinergic urticaria Yes
L50..6 Contact urticaria Yes
L50..8 Other urticaria Yes
L50..9 Urticaria, unspecified Yes

Last reviewed: September 2026