Lab Test Directory—Saint Luke's Regional Laboratories
| PROT CSF | Protein, Total, Spinal Fluid |
| PROTHR GM | Prothrombin Gene Mutation |
| PROTIME | Prothrombin Time (PT) |
| PT MIX | Prothrombin Time (PT) Mixing Studies |
| FLUOX | Prozac |
| FREE PSA | PSA Free |
| PSILOCIN U | Psilocin, Urine |
| PTHRP | PTH Related Protein |
| REF MISC | Pulmonary Arterial Hypertension (BMPR2) Sequencing |
| PK | Pyruvate Kinase |