| Paliperidon (9-Hydroxy-Risperidon) | Zentrallabor | |
| Paroxetin | Zentrallabor | |
| Perampanel | Zentrallabor | |
| Perazin | Zentrallabor | |
| Perphenazin | Zentrallabor | |
| Phenobarbital | Zentrallabor | |
| Phenylethylmalonamid (PEMA) | Zentrallabor | |
| Phenytoin | Zentrallabor | |
| Pimozid | Zentrallabor | |
| Posaconazol | Zentrallabor | |
| Pregabalin | Zentrallabor | |
| Primidon | Zentrallabor | |
| Promethazin | Zentrallabor | |
| Prothipendyl | Zentrallabor | |
| Prothrombingehalt (PZ, PTZ, Quick) | Zentrallabor | |
| Prothrombinzeit-INR (PZ-INR) aus Kapillarblut | Zentrallabor | |
| Prothrombinzeit-INR (PZ-INR) venös | Zentrallabor | |