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

Excludes2

  • 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. L23 Allergic contact dermatitis

    Excludes1

    Excludes2

    • dermatitis due to substances taken internally (L27.-)
    • dermatitis of eyelid (H01.1-)
    • diaper dermatitis (L22)
    • eczema of external ear (H60.5-)
    • irritant contact dermatitis (L24.-)
    • perioral dermatitis (L71.0)
    • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
    1. L23.0 Allergic contact dermatitis due to metals

      Inclusion term(s):

      • Allergic contact dermatitis due to chromium
      • Allergic contact dermatitis due to nickel
    2. L23.1 Allergic contact dermatitis due to adhesives

    3. L23.2 Allergic contact dermatitis due to cosmetics

    4. L23.3 Allergic contact dermatitis due to drugs in contact with skin

    5. L23.4 Allergic contact dermatitis due to dyes

    6. L23.5 Allergic contact dermatitis due to other chemical products

      Inclusion term(s):

      • Allergic contact dermatitis due to cement
      • Allergic contact dermatitis due to insecticide
      • Allergic contact dermatitis due to plastic
      • Allergic contact dermatitis due to rubber
    7. L23.6 Allergic contact dermatitis due to food in contact with the skin

    8. L23.7 Allergic contact dermatitis due to plants, except food

    9. L23.8 Allergic contact dermatitis due to other agents

      1. L23.81 Allergic contact dermatitis due to animal (cat) (dog) dander

        Inclusion term(s):

        • Allergic contact dermatitis due to animal (cat) (dog) hair
      2. L23.89 Allergic contact dermatitis due to other agents

    10. L23.9 Allergic contact dermatitis, unspecified cause

      Inclusion term(s):

      • Allergic contact eczema NOS
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.