Circular 06/2026
Chapter XII — Diseases of the skin and subcutaneous tissue
22 chapters · 15,844 codes · Quick search →
L00-L08 — Infections of the skin and subcutaneous tissue
L10-L14 — Bullous disorders
L20-L30 — Dermatitis and eczema
L20Atopic dermatitisL21Seborrhoeic dermatitisL22Diaper [napkin] dermatitisL23Allergic contact dermatitisL24Irritant contact dermatitisL25Unspecified contact dermatitisL26Exfoliative dermatitisL27Dermatitis due to substances taken internallyL28Lichen simplex chronicus and prurigoL29PruritusL30Other dermatitis
L40-L45 — Papulosquamous disorders
L50-L54 — Urticaria and erythema
L55-L59 — Radiation-related disorders of the skin and subcutaneous tissue
L60-L75 — Disorders of skin appendages
L60Nail disordersL62*Nail disorders in diseases classified elsewhereL63Alopecia areataL64Androgenic alopeciaL65Other nonscarring hair lossL66Cicatricial alopecia [scarring hair loss]L67Hair colour and hair shaft abnormalitiesL68HypertrichosisL70AcneL71RosaceaL72Follicular cysts of skin and subcutaneous tissueL73Other follicular disordersL74Eccrine sweat disordersL75Apocrine sweat disorders
L80-L99 — Other disorders of the skin and subcutaneous tissue
L80VitiligoL81Other disorders of pigmentationL82Seborrhoeic keratosisL83Acanthosis nigricansL84Corns and callositiesL85Other epidermal thickeningL86*Keratoderma in diseases classified elsewhereL87Transepidermal elimination disordersL88Pyoderma gangrenosumL89Decubitus ulcer and pressure areaL90Atrophic disorders of skinL91Hypertrophic disorders of skinL92Granulomatous disorders of skin and subcutaneous tissueL93Lupus erythematosusL94Other localized connective tissue disordersL95Vasculitis limited to skin, not elsewhere classifiedL97Ulcer of lower limb, not elsewhere classifiedL98Other disorders of skin and subcutaneous tissue, not elsewhere classifiedL99*Other disorders of skin and subcutaneous tissue in diseases classified elsewhere