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Chapter 12: Diseases of the skin and subcutaneous tissue
L49-L54

Urticaria and erythema

Optimize your medical documentation with precise ICD-10 coding for Urticaria and Erythema (L49-L54). Enhance clinical workflows and ensure accurate billing with detailed descriptions of skin conditions, including hives and redness. Perfect for healthcare professionals seeking specificity in diagnosis and treatment documentation.

About This Range
37+
Total codes
33+
Billable codes
4+
Non-billable codes
12
Chapters
Codes in this Range (37+)
Chapter 12: Diseases of the skin and subcutaneous tissue Range: L00-L99
L49
Exfoliation due to erythematous conditions according to extent of body surface involved
L49.0
Exfoliation due to erythematous condition involving less than 10 percent of body surface
Billable
L49.1
Exfoliation due to erythematous condition involving 10-19 percent of body surface
Billable
L49.2
Exfoliation due to erythematous condition involving 20-29 percent of body surface
Billable
L49.3
Exfoliation due to erythematous condition involving 30-39 percent of body surface
Billable
L49.4
Exfoliation due to erythematous condition involving 40-49 percent of body surface
Billable
L49.5
Exfoliation due to erythematous condition involving 50-59 percent of body surface
Billable
L49.6
Exfoliation due to erythematous condition involving 60-69 percent of body surface
Billable
L49.7
Exfoliation due to erythematous condition involving 70-79 percent of body surface
Billable
L49.8
Exfoliation due to erythematous condition involving 80-89 percent of body surface
Billable
L49.9
Exfoliation due to erythematous condition involving 90 or more percent of body surface
Billable
L50
Urticaria
L50.0
Allergic urticaria
Billable
L50.1
Idiopathic urticaria
Billable
L50.2
Urticaria due to cold and heat
Billable
L50.3
Dermatographic urticaria
Billable
L50.4
Vibratory urticaria
Billable
L50.5
Cholinergic urticaria
Billable
L50.6
Contact urticaria
Billable
L50.8
Other urticaria
Billable
L50.9
Urticaria, unspecified
Billable
L51
Erythema multiforme
L51.0
Nonbullous erythema multiforme
Billable
L51.1
Stevens-Johnson syndrome
Billable
L51.2
Toxic epidermal necrolysis [Lyell]
Billable
L51.3
Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome
Billable
L51.8
Other erythema multiforme
Billable
L51.9
Erythema multiforme, unspecified
Billable
L52
Erythema nodosum
Billable
L53
Other erythematous conditions
L53.0
Toxic erythema
Billable
L53.1
Erythema annulare centrifugum
Billable
L53.2
Erythema marginatum
Billable
L53.3
Other chronic figurate erythema
Billable
L53.8
Other specified erythematous conditions
Billable
L53.9
Erythematous condition, unspecified
Billable
L54
Erythema in diseases classified elsewhere
Billable

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Frequently Asked Questions
What are the common causes of urticaria?

Common causes of urticaria, also known as hives, include allergic reactions to foods, medications, insect stings, and environmental factors. Stress, infections, and certain medical conditions can also trigger urticaria.

How is erythema diagnosed and treated?

Erythema is diagnosed through clinical examination and patient history. Treatment typically involves addressing the underlying cause, such as infections or allergic reactions, and may include topical or systemic medications to reduce inflammation and discomfort.

Can urticaria become chronic and what are the management options?

Yes, urticaria can become chronic, lasting more than six weeks. Management includes identifying and avoiding triggers, using antihistamines, and in some cases, prescribing corticosteroids or biologics to control symptoms.

Urticaria and erythema