In this block the terms dermatitis and eczema are used synonymously and interchangeably.


  • chronic (childhood) granulomatous disease (D71)
  • dermatitis gangrenosa (L08.0)
  • dermatitis herpetiformis (L13.0)
  • dry skin dermatitis (L85.3)
  • factitial dermatitis (L98.1)
  • perioral dermatitis (L71.0)
  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
  • stasis dermatitis (I87.2)
  1. L20 Atopic dermatitis

    1. L20.0 Besnier's prurigo

    2. L20.8 Other atopic dermatitis

      1. L20.81 Atopic neurodermatitis

        Inclusion term(s):

        • Diffuse neurodermatitis
      2. L20.82 Flexural eczema

      3. L20.83 Infantile (acute) (chronic) eczema

      4. L20.84 Intrinsic (allergic) eczema

      5. L20.89 Other atopic dermatitis

    3. L20.9 Atopic dermatitis, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.