Test Directory: P Pancreatic Elastase, Fecal Pap Smear Test: Conventional Pap Test: ThinPrep® Pap Test: ThinPrep® with Reflex to Human Papillomavirus (HPV-HR) DNA Probe, High Risk Parathyroid Hormone (PTH), Intact Paroxysmal Nocturnal Hemoglobinuria (PNH) – CD55/59 Erythrocytes, FLAER Granulocytes/Monocytes Partial Thromboplastin Time Pediatric Islet Autoantibody Panel (ICA, GADA, IA-2A, IAA and ZnT8A) Pediatric Pathology pH Phencyclidine (PCP) Phenylalanine and Tyrosine Phosphorus, Inorganic Phosphorus, Inorganic – Random Urine Platelet Count Podiatric Pathology Potassium, Blood Potassium, Random Urine Prealbumin Prolactin Prostate-Specific Antigen (PSA), Free Prostate-Specific Antigen (PSA), Total Prostate-Specific Antigen (PSA), Total and Free Protein Electrophoresis Protein, Random Urine Prothrombin G20210A Mutation (Factor 2 Mutation) Prothrombin Time with International Normalized Ratio (INR) Pulmonary Pathology