Method Register
| 1 | 2-pyridyl acetic acid (metabolite of Betahistine) | Plasma | Potassium EDTA | MS |
| 2 | 3-Desmethyl Thiocolchicine | Plasma | Heparin | MS |
| 3 | Abiraterone | Plasma | Potassium EDTA | MS |
| 4 | Aceclofenac | Plasma | Heparin | MS |
| 5 | Acemetacin | Plasma | Potassium EDTA | MS |
| 6 | Acenocoumarol | Plasma | Sodium Citrate | MS |
| 7 | Acyclovir | Plasma | Heparin | MS |
| 8 | Acyclovir | Plasma | Potassium EDTA | MS |
| 9 | Albendazole | Plasma | Potassium EDTA | MS |
| 10 | Alfuzosin | Plasma | Potassium EDTA | MS |
| 11 | Alimemazine | Plasma | Potassium EDTA | MS |
| 12 | Allopurinol | Plasma | Heparin | MS |
| 13 | Allopurinol | Plasma | Potassium EDTA | MS |
| 14 | Amisulpride | Plasma | Heparin | MS |
| 15 | Amlodipine | Plasma | Heparin | MS |
| 16 | Amoxicillin | Plasma | Heparin | MS |
| 17 | Amoxicillin | Plasma | Potassium EDTA | MS |
| 18 | Amoxicillin & Clavulanic acid | Plasma | Potassium EDTA | MS |
| 19 | Apixaban | Plasma | Potassium EDTA | MS |
| 20 | Aprepitant | Plasma | Potassium EDTA | MS |
| 21 | f Aripiprazole | Plasma | Heparin | MS |
| 22 | E Aspirin | Plasma | Potassium EDTA | MS |
| 23 | Atenolol | Plasma | Heparin | MS |
| 24 | Atomoxetine | Plasma | Potassium EDTA | MS |
| 25 | Atorvastatin, O-HATV & P-HATV | Plasma | Potassium EDTA | MS |
| 26 | Azathioprine | Plasma | Potassium EDTA | MS |
| 27 | Azathioprine& 6-mercaptopurine | Plasma | Potassium EDTA | MS |
| 28 | Azithromycin | Plasma | Potassium EDTA | MS |
| 29 | Biperiden | Plasma | Heparin | MS |
| 30 | Baclofen | Plasma | Potassium EDTA | MS |
| 31 | Bismuth | Plasma | Potassium EDTA | MS |
| 32 | Bisoprolol | Plasma | Heparin | MS |
| 33 | Bosutinib | Plasma | Potassium EDTA | MS |
| 34 | Butamirate | Plasma | Heparin | MS |
| 35 | Cabergoline | Plasma | Heparin | MS |
| 36 | Candesartan | Plasma | Heparin | MS |
| 37 | Candesartan & Hydrochlorothiazide | Plasma | Heparin | MS |
| 38 | Candesartan & Hydrochlorothiazide | Plasma | Potassium EDTA | MS |
| 39 | Cannabidiol, 7-OH & 7-COOH CBD | Plasma | Potassium EDTA | MS |
| 40 | Captopril | Plasma | Heparin | MS |
| 41 | Carbamazepine | Plasma | Potassium EDTA | MS |
| 42 | Carisoprodol | Plasma | Heparin | MS |
| 43 | Carvedilol | Plasma | Potassium EDTA | MS |
| 44 | (R)-Carvedilol & (S)-Carvedilol | Plasma | Potassium EDTA | MS |
| 45 | Cefdinir | Plasma | Heparin | MS |
| 46 | Cefdinir | Plasma | Potassium EDTA | MS |
| 47 | Cefdinir | Plasma | Potassium EDTA | MS |
| 48 | f Cefixime | Plasma | Heparin | MS |
| 49 | Cefpodoxime | Plasma | Heparin | MS |
| 50 | E Cefuroxime Axetil | Plasma | Heparin | MS |