ICD-10-CM › L00-L99 › L49-L54 › L codes › L50

L50

Urticaria

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 9 more specific codes instead:

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

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Urticaria

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Excludes1 - never coded here

  • 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)

Inherited from the L49-L54 section Urticaria and erythema (L49-L54)

Excludes1 - never coded here

  • Lyme disease (A69.2-)
  • rosacea (L71.-)