Chapter 12: Diseases of the Skin and Subcutaneous Tissue
ICD-10-CM codes L00-L99
Covers dermatitis, eczema, psoriasis, cellulitis, acne, pressure ulcers, urticaria, and skin infections. Cellulitis (L03) is a common reason for emergency department visits and hospital admissions, while dermatitis codes are frequently used in dermatology and primary care.
L00-L08
Infections of the Skin and Subcutaneous Tissue
L10-L14
Bullous Disorders
L20-L30
Dermatitis and Eczema
L20Atopic dermatitis
L21Seborrheic dermatitis
L22Diaper dermatitis
L23Allergic contact dermatitis
L24Irritant contact dermatitis
L25Unspecified contact dermatitis
L26Exfoliative dermatitis
L27Dermatitis due to substances taken internally
L28Lichen simplex chronicus and prurigo
L29Pruritus
L30Other and unspecified dermatitis
L40-L45
Papulosquamous Disorders
L49-L54
Urticaria and Erythema
L55-L59
Radiation-Related Disorders of the Skin and Subcutaneous Tissue
L60-L75
Disorders of Skin Appendages
L60Nail disorders
L62Nail disorders in diseases classified elsewhere
L63Alopecia areata
L64Androgenic alopecia
L65Other nonscarring hair loss
L66Cicatricial alopecia [scarring hair loss]
L67Hair color and hair shaft abnormalities
L68Hypertrichosis
L70Acne
L71Rosacea
L72Follicular cysts of skin and subcutaneous tissue
L73Other follicular disorders
L74Eccrine sweat disorders
L75Apocrine sweat disorders
L76-L76
Intraoperative and Postprocedural Complications of Skin
L80-L99
Other Disorders of the Skin and Subcutaneous Tissue
L80Vitiligo
L81Other disorders of pigmentation
L82Seborrheic keratosis
L83Acanthosis nigricans
L84Corns and callosities
L85Other epidermal thickening
L86Keratoderma in diseases classified elsewhere
L87Transepidermal elimination disorders
L88Pyoderma gangrenosum
L89Pressure ulcer
L90Atrophic disorders of skin
L91Hypertrophic disorders of skin
L92Granulomatous disorders of skin and subcutaneous tissue
L93Lupus erythematosus
L94Other localized connective tissue disorders
L95Vasculitis limited to skin, not elsewhere classified
L97Non-pressure chronic ulcer of lower limb, NEC
L98Oth disorders of skin, subcu, not elsewhere classified
L99Oth disorders of skin, subcu in diseases classd elswhr
Frequently Asked Questions
What ICD-10 codes are in Chapter 12?
Chapter 12: Diseases of the Skin and Subcutaneous Tissue covers ICD-10-CM codes L00-L99. It contains 9 code blocks with 74 top-level categories.
What conditions does ICD-10 Chapter 12 cover?
Covers dermatitis, eczema, psoriasis, cellulitis, acne, pressure ulcers, urticaria, and skin infections. Cellulitis (L03) is a common reason for emergency department visits and hospital admissions, while dermatitis codes are frequently used in dermatology and primary care. This chapter includes codes from L00-L99.
How many code blocks are in Chapter 12?
Chapter 12 has 9 code blocks: L00-L08 (Infections of the Skin and Subcutaneous Tissue), L10-L14 (Bullous Disorders), L20-L30 (Dermatitis and Eczema), L40-L45 (Papulosquamous Disorders), and 5 more.
Is there an ICD-11 equivalent of ICD-10 Chapter 12?
ICD-11 reorganizes many chapters compared to ICD-10. Some conditions in Chapter 12 may appear in different ICD-11 chapters. Use the ICD-10 to ICD-11 converter to find specific code equivalents.
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