ICD-10-CM > J00-J99 > J30-J39 > J39 > J39.3 J39.3 Upper respiratory tract hypersensitivity reaction, site unspecified Billable/Specific Copy Code Copy Description Type 1 Excludes hypersensitivity reaction of upper respiratory tract, such as:extrinsic allergic alveolitis (J67.9)pneumoconiosis (J60-J67.9)