ICD-10: L27

Dermatitis due to substances taken internally

Coding Guidelines

Excludes 1

  • allergy NOS (T78.40)

Excludes 2

  • drug phototoxic response (L56.0)
  • contact dermatitis (L23-L25)
  • adverse food reaction, except dermatitis (T78.0-T78.1)
  • drug photoallergic response (L56.1)
  • urticaria (L50.-)

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