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Dermatitis due to substances taken internally==
- Code first (T36-T65), to identify drug or substance
- Excludes1: allergy NOS (T78.40)
- Excludes2: adverse food reaction, except dermatitis (T78.0-T78.1)
- contact dermatitis (L23-L25)
- drug photoallergic response (L56.1)
- drug phototoxic response (L56.0)
- urticaria (L50.-)
- 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
- Excludes2: dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
- 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
- Circumscribed neurodermatitis
- Lichen NOS
- L28.1 Prurigo nodularis
- L28.2 Other prurigo
- Prurigo NOS
- Prurigo Hebra
- Prurigo mitis
- Urticaria papulosa
L29 Pruritus
- Excludes1: neurotic excoriation (L98.1)
- psychogenic pruritus (F45.8)
- 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
- Itch NOS
L30 Other and unspecified dermatitis
- Excludes2: contact dermatitis (L23-L25)
- dry skin dermatitis (L85.3)
- small plaque parapsoriasis (L41.3)
- stasis dermatitis (I83.1-.2)
- L30.0 Nummular dermatitis
- L30.1 Dyshidrosis [pompholyx]
- L30.
