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(0-9)
Pancreatic function test
Panoramic film
Pap smear
Papanicolaou test
Papillotomy
Paracentesis
Paranasal sinus radiography
Parasites and stool ova exam
Parathormone
Parathormone (PTH) intact molecule
Parathyroid biopsy
Parathyroid hormone
Partial thromboplastin time (PTT)
Patch tests - allergy
Paul-Bunnell test
PBG test
Peak expiratory flow rate
Peak flow
Pelvic CT scan
Pelvic MRI with prostate probe
Pelvis MRI scan
Pelvis x-ray
Penile pulse volume recording
Percutaneous biopsy
Percutaneous needle aspiration
Percutaneous pericardiocentesis
Percutaneous transhepatic cholangiogram
Perfusion scintiscan - renal
Periapical film
Pericardial fluid culture
Pericardial fluid gram stain
Pericardial tap
Pericardiocentesis
Perimetry
Peripheral smear
Peripheral vascular ultrasound
Peritoneal dialysis
Peritoneal fluid analysis
Peritoneal fluid culture
Peritoneal tap
PET - chest
PET - lung
PET - tumor imaging
PET scan
PFTs
pH - urine
pH monitoring - esophageal
Phenothiazines - screen
Phenylalanine - blood test
Phlebogram
Phlebogram - leg
Phlebotomy
Phosphorus - serum
Pinworm test
Planigraphy
Plasma amino acids
Plasma cholinesterase
Plasma factor VIII antigen
Plasma fibrinogen
Plasma renin activity
Platelet aggregation test
Platelet associated antibodies
Platelet count
Plethysmography
Plethysmography - limb
Pleural fluid analysis
Pleural fluid aspiration
Pleural fluid culture
Pleural fluid cytology
Pleural fluid gram stain
Pleural fluid smear
Pleural needle biopsy
Pleural tap
Polyp biopsy
Polysomnogram
Polysomnography
Porphobilinogen test
Porphyrins - blood
Porphyrins - total
Porphyrins - urine
Positron emission tomography
Potassium - urine
Potassium hydroxide examination of skin lesion
Potassium test
PPD skin test
PRA
Pregnancy sonogram
Pregnancy test
Pregnancy test - blood - qualitative
Pregnancy test - blood - quantitative
Pregnancy ultrasound
Pregnanediol
PRL
Pro-time
Proctoscopy
Proctosigmoidoscopy
Progesterone - 17-OH
Progesterone - serum
Prolactin
Prostate-specific antigen
Prostate cancer screening test
Protein - urine
Protein C
Protein electrophoresis - serum
Protein electrophoresis - urine
Protein S
Proteinuria
Prothrombin
Prothrombin time (PT)
PROTO test
Protoporphyrin levels
PSA
Pseudocholinesterase
PT
PTCA
PTH
PTH-related protein
PTHrp
PTT
Ptyalography
Pulmonary angiography
Pulmonary arteriography
Pulmonary function tests
Pulmonary plethysmography
Pulmonary ventilation/perfusion scan
Pulse
Punch biopsy
Purified protein derivative standard
Push enteroscopy
Pyruvate kinase