L00-L99
ICD-10-CM Chapter 12: Diseases of the skin and subcutaneous tissue
Chapter 12 of the ICD-10-CM tabular list covers L00-L99. It contains 9 blocks of related categories, listed below with the categories published in each.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- 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.-)
L00-L08: Infections of the skin and subcutaneous tissue
L10-L14: Bullous disorders
L20-L30: Dermatitis and eczema
- L20Atopic dermatitiscategory
- L21Seborrheic dermatitiscategory
- L22Diaper dermatitis
- L23Allergic contact dermatitiscategory
- L24Irritant contact dermatitiscategory
- L25Unspecified contact dermatitiscategory
- L26Exfoliative dermatitis
- L27Dermatitis due to substances taken internallycategory
- L28Lichen simplex chronicus and prurigocategory
- L29Prurituscategory
- L30Other and unspecified dermatitiscategory
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 disorderscategory
- L62Nail disorders in diseases classified elsewhere
- L63Alopecia areatacategory
- L64Androgenic alopeciacategory
- L65Other nonscarring hair losscategory
- L66Cicatricial alopecia [scarring hair loss]category
- L67Hair color and hair shaft abnormalitiescategory
- L68Hypertrichosiscategory
- L70Acnecategory
- L71Rosaceacategory
- L72Follicular cysts of skin and subcutaneous tissuecategory
- L73Other follicular disorderscategory
- L74Eccrine sweat disorderscategory
- L75Apocrine sweat disorderscategory
L76: Intraoperative and postprocedural complications of skin and subcutaneous tissue
L80-L99: Other disorders of the skin and subcutaneous tissue
- L80Vitiligo
- L81Other disorders of pigmentationcategory
- L82Seborrheic keratosiscategory
- L83Acanthosis nigricans
- L84Corns and callosities
- L85Other epidermal thickeningcategory
- L86Keratoderma in diseases classified elsewhere
- L87Transepidermal elimination disorderscategory
- L88Pyoderma gangrenosum
- L89Pressure ulcercategory
- L90Atrophic disorders of skincategory
- L91Hypertrophic disorders of skincategory
- L92Granulomatous disorders of skin and subcutaneous tissuecategory
- L93Lupus erythematosuscategory
- L94Other localized connective tissue disorderscategory
- L95Vasculitis limited to skin, not elsewhere classifiedcategory
- L97Non-pressure chronic ulcer of lower limb, NECcategory
- L98Oth disorders of skin, subcu, not elsewhere classifiedcategory
- L99Oth disorders of skin, subcu in diseases classd elswhr
Source
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.