L00–L99: Diseases of the Skin and Subcutaneous Tissue
Chapter 12 of ICD-10-CM 2027, 1,207 codes in 9 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
Codes in this chapter
All codesBillable only1,207 results
- L41.3Small plaque parapsoriasis
- L41.4Large plaque parapsoriasis
- L41.5Retiform parapsoriasis
- L41.8Other parapsoriasis
- L41.9Parapsoriasis, unspecified
- L42Pityriasis rosea
- L43Lichen planus
- L43.0Hypertrophic lichen planus
- L43.1Bullous lichen planus
- L43.2Lichenoid drug reaction
- L43.3Subacute (active) lichen planus
- L43.8Other lichen planus
- L43.9Lichen planus, unspecified
- L44Other papulosquamous disorders
- L44.0Pityriasis rubra pilaris
- L44.1Lichen nitidus
- L44.2Lichen striatus
- L44.3Lichen ruber moniliformis
- L44.4Infantile papular acrodermatitis [Gianotti-Crosti]
- L44.8Other specified papulosquamous disorders
- L44.9Papulosquamous disorder, unspecified
- L45Papulosquamous disorders in diseases classified elsewhere
- L49Exfoliation due to erythematous conditions according to extent of body surface involved
- L49.0Exfoliation due to erythematous condition involving less than 10 percent of body surface
- L49.1Exfoliation due to erythematous condition involving 10-19 percent of body surface
- L49.2Exfoliation due to erythematous condition involving 20-29 percent of body surface
- L49.3Exfoliation due to erythematous condition involving 30-39 percent of body surface
- L49.4Exfoliation due to erythematous condition involving 40-49 percent of body surface
- L49.5Exfoliation due to erythematous condition involving 50-59 percent of body surface
- L49.6Exfoliation due to erythematous condition involving 60-69 percent of body surface
- L49.7Exfoliation due to erythematous condition involving 70-79 percent of body surface
- L49.8Exfoliation due to erythematous condition involving 80-89 percent of body surface
- L49.9Exfoliation due to erythematous condition involving 90 or more percent of body surface
- L50Urticaria
- L50.0Allergic urticaria
- L50.1Idiopathic urticaria
- L50.2Urticaria due to cold and heat
- L50.3Dermatographic urticaria
- L50.4Vibratory urticaria
- L50.5Cholinergic urticaria
- L50.6Contact urticaria
- L50.8Other urticaria
- L50.9Urticaria, unspecified
- L51Erythema multiforme
- L51.0Nonbullous erythema multiforme
- L51.1Stevens-Johnson syndrome
- L51.2Toxic epidermal necrolysis [Lyell]
- L51.3Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome
- L51.8Other erythema multiforme
- L51.9Erythema multiforme, unspecified