Guide to Diagnostic Tests
- PAC (premature atrial complex)
- PAH (phenylalanine hydroxylase) gene
- Pancreatic cancer
- Panitumumab
- Paramyxovirus
- Parapneumonic effusion
- Parasitic meningitis
- Parasitic meningoencephalitis
- Parathyroid adenoma
- Parathyroid hormone-related protein
- Parathyroid radionuclide scan
- Parathyroid surgery
- Partial pressure of oxygen
- Paternity testing
- Patient management
- Paul-Bunnell test
- PBC (primary biliary cirrhosis)
- PCP (pneumocystis pneumonia)
- PCV13 (pneumococcal conjugate vaccine)
- Pelvic inflammatory disease
- Pelvis diagnostic imaging
- Pentamidine
- Peptic ulcer disease
- Percutaneous transhepatic cholangiogram
- Percutaneous umbilical blood sampling
- Pericardial fluid aspirate/biopsy
- Perinephric abscess
- Peripheral T-cell lymphoma unspecified
- Peritoneal fluid
- Pertussis
- PET/SPECT (positron emission tomography/single photon emission computed tomography)
- PFA-100 CT (platelet function assay-100 closure time)
- Pharyngeal abscess
- Pharyngitis
- Phenformin
- Phenylalanine hydroxylase
- Phenylketonuria
- Phosphates
- Phosphorus
- PID (pelvic inflammatory disease)
- Pink tube
- PINP (procollagen type-I intact N-terminal propeptide)
- Pituitary adenoma
- PJC (premature junctional complex)
- PKU (phenylketonuria)
- Plasma aldosterone concentration
- Plasma aldosterone congentration
- Plasmacytoma
- Plasma preparation tube
- Plasmodium falciparum
- Platelet antibodies
- Platelet function assay-100 closure time
- Platelet transfusion
- Platinum derivatives
- Pneumococcal conjugate vaccine
- Pneumocystis jiroveci
- PO2 (oxygen partial pressure)
- Polydipsia
- Polymorphic ventricular tachycardia
- Polymyalgia rheumatica
- Polyuria/polydipsia
- Poor R-wave progression
- Poppy seeds
- Porphobilinogen
- Portal vein thrombosis
- Positron emission tomography/single photon emission computed tomography
- Posttransfusion purpura
- Potassium supplements
- PPD (purified protein derivative) testing
- PPT (plasma preparation tube)
- Prader-Willi syndrome
- Prazosin
- Precipitin test
- Precursor B-lymphoblastic leukemia/lymphoblastic lymphoma
- Prednisone
- Premature atrial complex
- Premature junctional complex
- Primary biliary cirrhosis
- Primary effusion lymphoma
- Prion disease
- Prions
- PRL (prolactin)
- Probability of disease
- Procalcitonin
- Procollagen type-I intact N-terminal propeptide
- Proctosigmoidoscopy
- Progesterone
- Prolactin
- Propofol
- Propranolol
- Prostadynia
- Prostate acid phosphatase
- Prostatitis
- Protein binding of drug
- Protein C
- Protein C deficiency
- Protein S (total antigen)
- Protein S deficiency
- PR-segment abnormalities
- PRWP (poor R-wave progression)
- Pseudogout
- Pseudomembranous colitis antibiotic-associated
- Pseudomyxoma peritonei
- PTC (percutaneous transhepatic cholangiogram)
- PTCL (peripheral T-cell lymphoma)
- PTHrP (parathyroid hormone-related protein)
- Pulse oximetry
- Pyelonephritis
- Pyuria-dysuria syndrome