| L20 | Atopic dermatitis |
| L20.0 | Besnier's prurigo |
| L20.8 | Other atopic dermatitis |
| 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 | Seborrheic dermatitis |
| L21.0 | Seborrhea capitis |
| L21.1 | Seborrheic infantile dermatitis |
| L21.8 | Other seborrheic dermatitis |
| L21.9 | Seborrheic dermatitis, unspecified |
| L22 | Diaper dermatitis |
| L23 | Allergic contact 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 |
| L23.4 | Allergic contact dermatitis due to dyes |
| L23.5 | Allergic contact dermatitis due to other chemical products |
| L23.6 | Allergic contact dermatitis due to food in contact with the skin |
| L23.7 | Allergic contact dermatitis due to plants, except food |
| L23.8 | Allergic contact dermatitis due to other agents |
| L23.81 | Allergic contact dermatitis due to animal (cat) (dog) dander |
| L23.89 | Allergic contact dermatitis due to other agents |
| L23.9 | Allergic contact dermatitis, unspecified cause |
| L24 | Irritant contact dermatitis |
| L24.0 | Irritant contact dermatitis due to detergents |
| L24.1 | Irritant contact dermatitis due to oils and greases |
| L24.2 | Irritant contact dermatitis due to solvents |
| L24.3 | Irritant contact dermatitis due to cosmetics |
| L24.4 | Irritant contact dermatitis due to drugs in contact with skin |
| L24.5 | Irritant contact dermatitis due to other chemical products |
| L24.6 | Irritant contact dermatitis due to food in contact with skin |
| L24.7 | Irritant contact dermatitis due to plants, except food |
| L24.8 | Irritant contact dermatitis due to other agents |
| L24.81 | Irritant contact dermatitis due to metals |
| L24.89 | Irritant contact dermatitis due to other agents |
| L24.9 | Irritant contact dermatitis, unspecified cause |
| L25 | Unspecified contact dermatitis |
| L25.0 | Unspecified contact dermatitis due to cosmetics |
| L25.1 | Unspecified contact dermatitis due to drugs in contact with skin |
| L25.2 | Unspecified contact dermatitis due to dyes |
| L25.3 | Unspecified contact dermatitis due to other chemical products |
| L25.4 | Unspecified contact dermatitis due to food in contact with skin |
| L25.5 | Unspecified contact dermatitis due to plants, except food |
| L25.8 | Unspecified contact dermatitis due to other agents |
| L25.9 | Unspecified contact dermatitis, unspecified cause |
| L26 | Exfoliative dermatitis |
| L27 | Dermatitis due to substances taken internally |
| L27.0 | Generalized skin eruption due to drugs and medicaments taken internally |
| L27.1 | Localized skin eruption due to drugs and medicaments taken internally |
| L27.2 | Dermatitis due to ingested food |
| L27.8 | Dermatitis due to other substances taken internally |
| L27.9 | Dermatitis due to unspecified substance taken internally |
| L28 | Lichen simplex chronicus and prurigo |
| L28.0 | Lichen simplex chronicus |
| L28.1 | Prurigo nodularis |
| L28.2 | Other prurigo |
| L29 | Pruritus |
| L29.0 | Pruritus ani |
| L29.1 | Pruritus scroti |
| L29.2 | Pruritus vulvae |
| L29.3 | Anogenital pruritus, unspecified |
| L29.8 | Other pruritus |
| L29.9 | Pruritus, unspecified |
| L30 | Other and unspecified dermatitis |
| L30.0 | Nummular dermatitis |
| L30.1 | Dyshidrosis [pompholyx] |
| L30.2 | Cutaneous autosensitization |
| L30.3 | Infective dermatitis |
| L30.4 | Erythema intertrigo |
| L30.5 | Pityriasis alba |
| L30.8 | Other specified dermatitis |
| L30.9 | Dermatitis, unspecified |