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Hypersensitive, hypersensitiveness, hypersensitivity --see also Allergy
    carotid sinus G90.01
    colon --see Irritable, colon
    drug T88.7
    gastrointestinal K52.29
        immediate K52.29
        psychogenic F45.8
    labyrinth --see subcategory H83.2
    pain R20.8
    pneumonitis --see Pneumonitis, allergic
    reaction T78.40
        upper respiratory tract NEC J39.3