Table 1. The Korean Standard Classification of Disease (KCD) codes used for defining three allergic diseases.
Disease codes | ||
---|---|---|
Atopic dermatitis | L20 | Atopic dermatitis |
Asthma | J45 | Allergic asthma |
J46 | Status asthmaticus with predominantly allergic asthma | |
Allergic rhinitis | J30 | Allergic rhinitis |