| Acaras siro / FEIA | Dermatologie | |
| Ahorn / FEIA | Dermatologie | |
| Ahorn, Birke, Eiche, Ulme, Walnuss / FEIA | Dermatologie | |
| Akazie / FEIA | Dermatologie | |
| aktivierte partielle Thromboplastinzeit (aPTT) | Zentrallabor LKH | |
| aktivierte partielle Thromboplastinzeit (aPTT) (CDK) | Zentrallabor CDK | |
| Alpha-Amylase / FEIA | Dermatologie | |
| Alpha-Gal | Dermatologie | |
| Alphalactalbumin / FEIA | Dermatologie | |
| Alternaria alternata / FEIA | Dermatologie | |
| Alternaria alternata rAlt a 1 / FEIA | Dermatologie | |
| Ambrosienkomponente nAmb a 1 / FEIA | Dermatologie | |
| Amoxicilloyl / FEIA | Dermatologie | |
| Ampicilloyl / FEIA | Dermatologie | |
| Anis / FEIA | Dermatologie | |
| Anisakis / FEIA | Dermatologie | |
| Apfel / FEIA | Dermatologie | |
| Apfelkomponente rMal d 1 / FEIA | Dermatologie | |
| Apfelkomponente rMal d 3 / FEIA | Dermatologie | |
| Aspergillus fumigatus / FEIA | Dermatologie | |