Lab Test Directory—Saint Luke's Regional Laboratories
| UCG | Pregnancy Test, Urine |
| PREGN | Pregnenolone |
| PRENATAL 2 | Prenatal Panel 2 |
| PRENATAL 3 | Prenatal Panel 3 |
| PRENATAL 4 | Prenatal Panel 4 |
| PRIMIDONE | Primidone |
| PROCAIN | Procainamide |
| PROCAL | Procalcitonin |
| PROCOLLAGEN | Procollagen I Intact N-Terminal |
| PROG | Progesterone, Serum or Plasma |