Lab Test Directory—Saint Luke's Regional Laboratories
| PORPH QT U | Porphyrins, QNT Random Urine |
| PORPH 24 U | Porphyrins, Quantitative, Urine 24 Hour |
| PORPHTOT | Porphyrins, Total Plasma |
| POSACON | Posaconazole |
| K M | Potassium, Miscellaneous |
| K U 24 | Potassium, Quantitative, 24 Hour, Urine |
| POTASSIUM URINE QUANT RANDOM | Potassium, Random Urine |
| K | Potassium, Serum or Plasma |
| PAB | Prealbumin (PAB), Serum |
| PREGAB | Pregabalin (Lyrica) |