All ICD10 Codes
Chapter 12

L00–L99: Diseases of the Skin and Subcutaneous Tissue

Diseases of the Skin and Subcutaneous Tissue diagnostic classification updated for 2026.

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.-)
All CodesBillable Only
Internal Codes
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  • L05.91—

    Pilonidal cyst without abscess

  • L05.92—

    Pilonidal sinus without abscess

  • L08.0—

    Pyoderma

  • L08.1—

    Erythrasma

  • L08.81—

    Pyoderma vegetans

  • L08.82—

    Omphalitis not of newborn

  • L08.89—

    Other specified local infections of the skin and subcutaneous tissue

  • L08.9—

    Local infection of the skin and subcutaneous tissue, unspecified

  • L10.0—

    Pemphigus vulgaris

  • L10.1—

    Pemphigus vegetans

  • L10.2—

    Pemphigus foliaceous

  • L10.3—

    Brazilian pemphigus [fogo selvagem]

  • L10.4—

    Pemphigus erythematosus

  • L10.5—

    Drug-induced pemphigus

  • L10.81—

    Paraneoplastic pemphigus

  • L10.89—

    Other pemphigus

  • L10.9—

    Pemphigus, unspecified

  • L11.0—

    Acquired keratosis follicularis

  • L11.1—

    Transient acantholytic dermatosis [Grover]

  • L11.8—

    Other specified acantholytic disorders

  • L11.9—

    Acantholytic disorder, unspecified

  • L12.0—

    Bullous pemphigoid

  • L12.1—

    Cicatricial pemphigoid

  • L12.2—

    Chronic bullous disease of childhood

  • L12.30—

    Acquired epidermolysis bullosa, unspecified

  • L12.31—

    Epidermolysis bullosa due to drug

  • L12.35—

    Other acquired epidermolysis bullosa

  • L12.8—

    Other pemphigoid

  • L12.9—

    Pemphigoid, unspecified

  • L13.0—

    Dermatitis herpetiformis

  • L13.1—

    Subcorneal pustular dermatitis

  • L13.8—

    Other specified bullous disorders

  • L13.9—

    Bullous disorder, unspecified

  • L14—

    Bullous disorders in diseases classified elsewhere

  • L20.0—

    Besnier's prurigo

  • L20.81—

    Atopic neurodermatitis

  • L20.82—

    Flexural eczema

  • L20.83—

    Infantile (acute) (chronic) eczema

  • L20.84—

    Intrinsic (allergic) eczema

  • L20.89—

    Other atopic dermatitis

  • L20.9—

    Atopic dermatitis, unspecified

  • L21.0—

    Seborrhea capitis

  • L21.1—

    Seborrheic infantile dermatitis

  • L21.8—

    Other seborrheic dermatitis

  • L21.9—

    Seborrheic dermatitis, unspecified

  • L22—

    Diaper dermatitis

  • L23.0—

    Allergic contact dermatitis due to metals

  • L23.1—

    Allergic contact dermatitis due to adhesives

  • L23.2—

    Allergic contact dermatitis due to cosmetics

  • L23.3—

    Allergic contact dermatitis due to drugs in contact with skin

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