Davis's Lab & Diagnostic Tests
- P450 cytochrome series
- P53
- Pallister-Killian syndrome
- Palpitations, Holter monitor
- Pancreas transplant, C-peptide
- Pancreatic abscesses, computed tomography (CT)
- Pancreatic adenoma, glucose
- Pancreatic ascites, amylase levels in
- Pancreatic biliary duct variation, cholangiography, percutaneous transhepatic
- Pancreatic deficiency, fecal analysis
- Pancreatic fatty infiltration, hemorrhage, magnetic resonance imaging of
- Pancreatic fibrosis, cholangiopancreatography, endoscopic retrograde
- Pancreatic islet cell tumor, glucose tolerance tests
- Pancreatic pseudocyst, computed tomography (CT)
- Pancreatic related diabetes
- Paraganglioma, catecholamines, blood and urine
- Parainfluenza virus
- Parathyroid hormone-producing tumors, phosphorus, blood and urine, in
- Partial pressure of carbon dioxide
- Partial pressure of oxygen
- Parvovirus, viral testing for
- Patau syndrome
- Pathogens
- Pauci-immune necrotizing glomerulonephritis, antineutrophil cytoplasmic antibody (P-ANCA, C-ANCA) levels in
- PCO2 (partial pressure of carbon dioxide)
- Peak expiratory flow rate (PEFR)
- Peak inspiratory flow rate (PIFR)
- Pediatric electrocardiogram
- Pediatric imaging
- Pediatric intravenous pyelography
- Pelvic adhesions, laparoscopy of
- Pelvic floor sphincter electromyography
- Percutaneous cholecystogram
- Percutaneous needle biopsy
- Percutaneous transhepatic cholangiography (PTC), cholangiopancreatography, endoscopic retrograde
- Pericardial hematoma or effusion, magnetic resonance imaging of
- Peritoneal effusion, peritoneal fluid analysis in
- pH
- Pharmacogenetic testing (PGX)
- Pharyngitis, viral testing for
- Phencyclidine (PCP), drug screening for
- Phenobarbital, drug monitoring, therapeutic
- Phenotyping
- Phenytoin, drug monitoring, therapeutic
- Physical disabilities, newborn screening for
- Physiological jaundice, bilirubin and bilirubin fractions in
- Pigmented nevi, skin biopsy
- Pill GI endoscopy
- Pilocarpine iontophoresis sweat test
- Pituitary (central) diabetes insipidus, antidiuretic hormone levels in
- Pituitary function, growth hormone, stimulation and suppression tests
- Pituitary tumors, prolactin levels in
- Placental failure, progesterone levels in
- Placental infarction, antiphospholipid antibodies (aPL): anticardiolipin antibody, IgG, and IgM; anti-beta-2 glycoprotein 1, IgG and IgM; lupus anticoagulant, IgG and IgM levels in
- Placenta previa, ultrasound, biophysical profile (BPP), obstetric
- Plasma free fractionated metanephrines
- Plasma HIV RNA
- Pleural effusion
- PO2 (partial pressure of oxygen)
- Polio, electromyography
- Polyangiitis, antineutrophil cytoplasmic antibody (P-ANCA, C-ANCA) levels in
- Polyarteritis nodosa, rheumatoid factor in
- Polyclonal gammopathies, protein, blood, total and fractions and protein, urine in
- Porphobilinogen
- Porphyria cutanea tarda, porphyrins, blood and urine, in
- Porphyrin synthesis, delta-aminolevulinic acid
- Porphyromonas spp., gram stains
- Portal hypertension, liver and spleen scan for
- Prader-Willi syndrome
- Prealbumin
- Prebiotics
- Precision medicine
- Precocious puberty in children, follicle-stimulating hormone
- Prediabetes, hemoglobin A1c
- Pregnancy-associated plasma protein A
- Pregnancy test
- Premature birth, bilirubin and bilirubin fractions in
- Premature labor, fetal fibronectin
- Premature ventricular contractions, Holter monitor
- Pressure damage, skin assessment for
- Preview
- Primidone, drug monitoring, therapeutic
- Probiotics
- Pro-B-Type Natriuretic Peptide
- Procainamide, drug monitoring, therapeutic
- Procalcitonin
- Progesterone
- Progesterone receptor assay
- Proinsulin C-peptide
- Prolactin
- Prostate-Specific Antigen
- Protein, cerebrospinal fluid analysis
- Protein C and Protein S
- Protriptyline, drug monitoring, therapeutic
- Ptosis of eyelid
- Pulmonary capillary wedge pressure (PCWP), cardiac catheterization
- Pulse Oximetry
- Pupil dilation, fundoscopy with or without photography
- PVD, cardiac catheterization