| VGCCA | P/Q-Type Voltage-Gated Calcium Channel (VGCC) Antibody | — |
| PMDSU | Pain Management Drug Screen with Interpretation, Urine | — |
| PMPRQ | Pain Management Panel, Screen with Reflex to Quantitation | — |
| PALIP | Paliperidone (Invega) | — |
| PCRTN | Pancreastatin | — |
| PNCRE | Pancreatic Elastase, Fecal | — |
| PPTD | Pancreatic Polypeptide | — |
| PANCNGS | Pancreatitis Panel (CFTR, CTRC, PRSS1, SPINK1), Sequencing | — |
| PAP Liq Base | Pap Liquid Based - SurePath (North Platte ONLY) | — |
| PRWASP | Paper Wasp IgE | — |
| PARANE | Paraneoplastic Autoantibody Evaluation | — |
| PARARE | Paraneoplastic Reflexive Panel | — |
| ECTO | Parasite Exam | — |
| MALP | Parasite Exam, Blood | — |
| PTHRP | Parathyroid Hormone Related Peptide (PTHrP) | — |
| APCA | Parietal Cell Antibody, IgG | — |
| PNHPAN | Paroxysmal Nocturnal Hemoglobinuria Panel, RBC and WBC | — |
| PNHRW | Paroxysmal Nocturnal Hemoglobinuria, High Sensitivity, RBC | — |
| PNHW | Paroxysmal Nocturnal Hemoglobinuria, High Sensitivity, WBC | — |
| PARVO | Parvovirus B19 Antibodies, IgG & IgM | — |
| PB19P | Parvovirus B19 DNA Detection | — |
| PXIL | Paxil (Paroxetine) | — |
| PEACH | Peach IgE | — |
| PEANUT | Peanut, IgE | — |
| PECNUT | Pecan (Food) IgE | — |
| PECAN | Pecan/Hickory Tree IgE | — |
| PGOID | Pemphigoid Ab Panel, IgG/IgA | — |
| PEMPHI | Pemphigus Panel | — |
| CANNUM | Pepper Bell/Paprika (Capsicum annuum) IgE | — |
| FPEPS | Pepsinogen I | — |
| PERAMP | Perampanel Quant, Serum or Plasma | — |
| PRFEV | Periodic Fever Syndromes Panel | — |
| NPPAN | Peripheral Neuropathy Genetic Panels (NGS), Blood | — |
| PDFCU | Peritoneal Dialysis Fluid (PDF) Culture | — |
| ACASM | Pernicious Anemia Cascade | Competitive-Binding Immunoenzymatic Assay |
| FPH | pH, Body Fluid | — |
| FPHL | pH, Fecal | — |
| PNCDN | Phencyclidine (PCP) Confirmation/Quantitation - Urine | — |
| PCPQ | Phencyclidine (PCP) Quant, Serum or Plasma | — |
| PHENOB | Phenobarbital | — |
| PSII | PhenoSense Integrase Inhibitor | — |
| PHTN | Phenytoin (Dilantin) | Kinetic Interaction of Microparticles in Solution (KIMS) Methodology |
| FPHE | Phenytoin, Free | — |
| PHFT | Phenytoin, Free and Total (Dilantin) | — |
| PETHL | Phosphatidylethanol (PEth) | — |
| APSPT | Phosphatidylserine and Prothrombin Abs, IgG/IgM | — |
| APPDL | Phosphatidylserine Antibodies, IgG, IgM, and IgA | — |
| PT217 | Phospho-Tau 217, Plasma | — |
| PLA2R | Phospholipase A2 Receptor (PLA2R) Ab, IgG w/ reflex to titer | — |
| PHOS | Phosphorus (Inorg) | Photometric UV Method |
| UPO4B | Phosphorus (PO4), Urine, 24 Hour | — |
| UPO4S | Phosphorus (PO4), Urine, Random | — |
| PINNUT | Pine Nut (Pinion), IgE | — |
| PINAPP | Pineapple IgE | — |
| PISTAC | Pistachio IgE | — |
| PAI1 | Plasminogen Activator Inhibitor Activity | — |
| PAI1G | Plasminogen Activator Inhibitor-1, PAI-1 (SERPINE1) Genotyping | — |
| PLAACT | Plasminogen Activity | — |
| PLABN | Platelet Antibody Screen, Serum | — |
| PAGP | Platelet Antigen Genotyping Panel | — |
| PAAB | Platelet Associated Antibodies, Direct Assay | — |
| PLT | Platelet Count | — |
| PMSCL | PM/Scl-100 Antibody, IgG by Immunoblot | — |
| PJPCR | Pneumocystis jirovecii by PCR | — |
| PLINK | PNH, PI-Linked Antigen | — |
| PLIO | Poliovirus (Types 1-3) Antibodies | — |
| PCBP | Polychlorinated Biphenyls (PCB) Panel, Congeners, Serum or Plasma | — |
| PLYMS1 | Polymyositis Panel | — |
| ALLPK | Pork IgE | — |
| PORP | Porphobilinogen (PBG), Urine, Random or 24 Hour | — |
| PBGDE | Porphobilinogen Deaminase, Erythrocyte | — |
| PORST | Porphyrins, Fecal | — |
| PRPRF | Porphyrins, Total with Reflex to Fractionation | — |
| PORS | Porphyrins, Total, Plasma or Serum | — |
| UQPO | Porphyrins, Urine, Random or 24 Hr. | — |
| POSQ | Posaconazole, Quantitation | — |
| PTDSA | Post Transplant Donor Specific Antibodies | — |
| YK | Potassium | Ion-Selective Electrode, Direct Potentiometric Method |
| FK | Potassium, Body Fluid | Ion-Selective Electrode, Direct Potentiometric Method |
| POFE | Potassium, Fecal, Random or 24 Hour | — |
| KRBC | Potassium, Total, RBC | — |
| TKU | Potassium, Urine, 24 Hour | — |
| KRU | Potassium, Urine, Random | — |
| PAB | Prealbumin | — |
| C2AD2 | PrecivityAD2, Plasma | — |
| PRBN | Pregabalin (Lyrica) | — |
| PREGU | Pregnancy Screen (HCG), Urine Qualitative | — |
| PREGNEN | Pregnenolone | — |
| PKA | Prekallikrein (Fletcher Factor) Activity | — |
| PBCP | Primary Biliary Cholangitis Panel | — |
| MYSL | Primidone and Metabolite (Mysoline) | — |
| PCTP | Procalcitonin | Electrochemiluminescence Immunoassay |
| INTPT | Procollagen Type I Intact N-Terminal Propeptide | — |
| PRGS | Progesterone | Electrochemiluminescence Immunoassay |
| PRFT | Progesterone, Free w/Total Progesterone, LC/MS-MS | High-pressure liquid chromatography (HPLC)/tandem mass spectrometry, equilibrium dialysis, calculation |
| PRIN | Proinsulin | — |
| PRIIR | Proinsulin, Intact/Insulin Ratio | — |
| PRLS | Prolactin | Electrochemiluminescence Immunoassay |
| PLPMA | Prolactin, Pituitary Macroadenoma, Serum | — |
| FPHEG | Promethazine (Phenergan) | — |
| PRFN | Propafenone (Rythmol) | — |
| CDPROP | Propoxyphene & Metabolite, UR (Confirmation only) | — |
| PPXY | Propoxyphene & Metabolite, Urine Quantitation | — |
| PROP | Propranolol (Inderal) | — |
| PGD2 | Prostaglandin D2 (PG D2) Serum or Plasma | — |
| PD2U | Prostaglandin D2 (PG D2), Urine | — |
| PHI11 | Prostate Health Index (phi), Serum | — |
| PSA | Prostate Specific AG | Electrochemiluminescence Immunoassay |
| PSK4K | Prostate-Specific Kallikrein, 4Kscore | — |
| PRCR | Prot/Creat Urine Ratio | Kinetic Colorimetric Assay, |
| PROTCS | Protein C & S Screen | — |
| PCACT | Protein C Activity (Functional) | — |
| PCDPRPS | Protein C Deficiency Profile | CAG - Enzyme-Linked Immunosorbent Assay; PCACT - Electromagnetic Mechanical Clot Detection |
| CAG | Protein C, Total Antigen | — |
| UPER | Protein Electrophoresis Urine 24 Hr. | — |
| SPERI | Protein Electrophoresis w/reflex to Immunofixation, Serum | — |
| TPEPR | Protein Electrophoresis w/reflex to Immunotyping | — |
| PEPCRPS | Protein Electrophoresis, CSF | — |
| SPE | Protein Electrophoresis, Serum | — |
| REPU | Protein Electrophoresis, Urine Random | — |
| PSTFM | Protein S Antigen, Plasma | — |
| PSDPRPS | Protein S Deficiency Profile | PSACT, SAG - Microlatex Particle-Mediated Immunoassay; SACT - Electromagnetic Mechanical Clot Detection |
| PSACT | Protein S Free, Antigen | — |
| SACT | Protein S, Functional (Activity) | — |
| SAG | Protein S, Total Antigen | — |
| UQP | Protein Urine, Random | Colorimetric Endpoint Biuret Method |
| TQP | Protein Values, 24 Hr. Urine | Colorimetric Endpoint Biuret Method |
| F2DN | Prothrombin Factor II DNA Analysis | — |
| PRLEY | Prothrombin Factor II/Leiden Factor V Mutation (FVLM) | — |
| FPF12 | Prothrombin Fragment 1+2 MoAb | — |
| PT | Prothrombin Time (PT) | — |
| PPFE | Protoporphyrins Fractionation, Whole Blood | — |
| PROTR | Protriptyline | — |
| PSTFR | PSA Total & Free | — |
| PSDI | Pseudocholinesterase, Dibucaine Inhibition | — |
| PTML | PT Mixing Study | — |
| PTHS | PTH Serial Monitor | Electrochemiluminescence Immunoassay |
| PTH2 | PTH, Intact | Electrochemiluminescence Immunoassay |
| PTTM | PTT Mixing Study | — |
| PPPU | Purine and Pyrimidine Panel, Random Urine | — |
| PYRUQ | Pyrroles, Urine | — |
| PYRUK | Pyruvate Kinase | — |
| PYRUVB | Pyruvic Acid | — |
