| Parameter | Unit | Cefdinir | Cephalexin (IS) |
| Source temperature | ˚C | 600.0 |
|
| Nebulizer gas | psi | 25 |
|
| Turbolon gas | psi | 45 |
|
| Curtain gas | psi | 25 |
|
| Collision gas | psi | 12 |
|
| Ion spray voltage | V | 5500 |
|
| Dwell time per transition | ms | 400 |
|
| Entrance potential | V | 5 | 10 |
| MRM transition | amu | 396.10 → 226.90 | 348.24 → 158.10 |
| Collision energy | V | 20 | 17 |
| Declustering potential | V | 100 | 91 |
| Collision cell exist potential | V | 20 | 12 |