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ALL MEDICAL CODES IN CATEGORY Urticaria and erythema

2025 ICD-10-CM code L51.2

Toxic epidermal necrolysis [Lyell]

2025 ICD-10-CM code L53

Other erythematous conditions; redness of the skin not otherwise specified.

2025 ICD-10-CM code L50.2

Urticaria due to cold and heat exposure.

2025 ICD-10-CM code L49.3

Exfoliation due to an erythematous condition affecting 30-39% of the body surface.

2025 ICD-10-CM code L49.8

Exfoliation due to an erythematous condition affecting 80-89% of the body surface.

2025 ICD-10-CM code L53.0

Toxic erythema. Code first poisoning due to drug or toxin, if applicable.

2025 ICD-10-CM code L49.7

Exfoliation due to an erythematous condition affecting 70-79% of the body surface.

2025 ICD-10-CM code L50

Urticaria. Excludes1: 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).

2025 ICD-10-CM code L49.5

Exfoliation due to an erythematous condition affecting 50-59% of the body surface.

2025 ICD-10-CM code L51

Erythema multiforme; use additional codes for adverse effects or associated manifestations.

2025 ICD-10-CM code L49.9

Exfoliation due to an erythematous condition affecting 90% or more of the body surface.

2025 ICD-10-CM code L52

Erythema nodosum; a type of inflammatory skin condition.

2025 ICD-10-CM code L53.1

Erythema annulare centrifugum is a skin condition characterized by expanding, ring-like red patches.

2025 ICD-10-CM code L49.0

Exfoliation due to an erythematous condition affecting less than 10% of the body surface.

2025 ICD-10-CM code L49.4

Exfoliation due to erythematous condition involving 40-49 percent of body surface.