Urticaria and erythema (L49-L54) excludes1 Lyme disease (A69.2-) rosacea (L71.-) |
L49: Exfoliation due to erythematous conditions according to extent of body surface involved |
L50: Urticaria |
L51: Erythema multiforme |
L52: Erythema nodosum |
L53: Other erythematous conditions |
L54: Erythema in diseases classified elsewhere |