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Official Description

Allergy, unspecified
Allergic reaction NOS
Hypersensitivity NOS
Idiosyncrasy NOS
Excludes: allergic reaction NOS to correct medicinal substance properly administered (995.27); allergy to existing dental restorative materials (525.66); specific types of allergic reaction, such as: allergic diarrhea (558.3), dermatitis (691.0-693.9), hayfever (477.0-477.9)
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