Browse Medical Abbreviations

p melting point; post (after)
P Phosphorus (element)
P&A percussion and auscultation
P&P pins and plaster
P&R pulse and respiration
P&T peak and trough
P-A placenta abruption; posteroanterior
P-ANCA perinuclear antineutrophil cytoplasmic antibody
p.c. after meals (post cibos)
p.r. through the rectum
p.r.n. as needed
P/A posterior/anterior
P/U pick up
P2 pulmonic second sound
P4P pay for performance
p: plan
p=r pupils equal and reactive
pa placenta abruption; posteroanterior
PA pulmonary artery; propionic acidemia; posteroanterior; pernicious anemia; physical activity; Physician's Assistant
Pa Pascal
PA-C Physician Assistant-Certified
PAB professional advisory board
PABA para-aminobenzoic acid (vitamin b10)
PAC premature atrial contraction
Paco2 partial pressure of carbon dioxide in alveolar gas
PACU post anesthesia care unit
PAD peripheral arterial disease; pharmacologically active drug
PADP pulmonary artery diastolic pressure
PADS preventive aggression device system
PAF paroxysmal atrial fibrillation
PAINS Abdominal pain with intercourse; Infection, STD, abnormal discharge; Not feeling well; Period late, abnormal bleeding; String missing, shorter or longer
PAL peripheral arterial line
palp palpable
PALS pediatric advanced life support
PAN panoramic(s)
PAO2 alveolar Oxygen partial pressure (case sensitive)
PaO2 arterial partial pressure of Oxygen (case sensitive)
PAOP pulmonary artery occlusion pressure
PAP pulmonary artery pressure; patient assistance programs
Pap Papanicolaou smear
Pap test Papanicolaou test (smear)
Pap. papillary
PAR paraffin; patient at risk
PAR(R) post anesthesia recovery (room)
para woman who has given birth; paraplegic
part. vic in divided doses
PAS para amino-salicylic acid; periodic acid-schiff (stain)
PASG pneumatic anti-shock garments
PASP pulmonary artery systolic pressure
PAT preadmission testing
pat paroxysmal atrial tachycardia
path pathologist; pathology
PAW pulmonary airway pressure
PAWP pulmonary artery wedge pressure
PB pudendal block or peripheral blood
pb piggyback
Pb Lead (element)
PBF partially breastfed
PBI protein bound iodine; protein-bound iodine
PBM pharmacy benefits management
PBPC peripheral blood progenitor cell
PBSC peripheral blood stem cell
PBSCT peripheral blood stem cell transplantation
pc after meals (post cibos)
PC packed cells; pressure control (ventilator)
PCA patient care assistant; patient controlled anesthesia
PCCR post cardiac cath recovery
PCCU post cardiac cath unit
PCD pneumatic compression device
PCH personal care home
PChE pseudocholinesterase
PCI percutaneous coronary intervention
PCKD polycystic kidney disease
PCL posterior cruciate ligament
PCM protein-calorie malnutrition
PCN penicillin; primary care network
PCO polycystic ovarian disease; primary care organization
Pco2 carbon dioxide pressure
PCOS polycystic ovary syndrome
PCP phencyclidine (anesthetic/hallucinogenic); pneumocystis carinii pneumonia; primary care physician; primary care provider
PCR polymerase chain reaction
PCRA patient controlled regional analgesia
PCT patient care technician; photochemical treatment; proximal convoluted tubule
pct percent
PCV pneumococcal vaccine
PCWP pulmonary capillary wedge pressure
PD provisional discharge; peritoneal dialysis; Parkinson disease; interpupillary distance
pd prism diopter; pupillary distance
Pd Palladium (element)
PD&P postural drainage and percussion
PDA patent ductus arteriosus; posterior descending artery
PDD pervasive development disorder
PDE permitted daily exposure; phosphodiesterase
PDF portable document format
PDIS patient discharge instruction sheet
PDT photodynamic therapy
PE physical examination; pulmonary edema; pulmonary embolism
PE tubes polyethylene tubes
PEA pulseless electrical activity
PED pediatrician
Peds pediatrics
PEEP positive end expiratory pressure
PEFR peak expiratory flow rate
PEG percutaneous endoscopic gastrostomy; pneumoencephalogram; polyethylene glycol
PEG INF pegylated interferon
PEJ percutaneous endoscopy jejunostomy
PEM protein energy malnutrition
pen penicillin
PEP pancreatic enzyme product; post-exposure prophylaxis
per through or by; period(ic); for each
perf perforation
PERL pupils equal and react to light
perm permanent
peron peroneal
PERRL(A) pupils equally round and react to light (and accommodation)
PERRLA+C pupils equal, round, react to light, accommodation ok, and coordinated
PET polyethylene terephthalate; positron emission tomography (scan)
PF plantar flexion; plasmapheresis
PFC prefrontal cortex; plaque forming cell (assay); persistent fetal circulation; permanent flexure contracture
PFO patent foramen ovale
PFP pay for performance
PFT pulmonary function test
PFTs pulmonary function tests
pg picogram
PG phosphatidylglycerol
PGF paternal grandfather
PGL persistent generalized lymphadenopathy
PGM paternal grandmother
PH public health; past history; parathyroid hormone
pH hydrogen ion concentration (measure of acidity/alkalinity)
PHA public health advisory
Phar. pharmacy
pharm pharmacy
PharmD Doctor of Pharmacy
PHB personal health budget
PhD Doctor of Philosophy
PHI protected health information
PHN public health nurse
phni pinhole no improvement
phos phosphate
PHP primary health care provider; partial hospitalization program
PHR personal health record; public health research
PHT public health technician
PI protease inhibitors; principal investigator; previous illness; present illness; peripheral iridotomy; perfusion index; performance improvement
PIA prolonged infantile apnea
PIC peripheral indwelling catheter
PICC peripherally inserted central catheter
PICU pediatric intensive care unit; psychiatric intensive care unit
PID pelvic inflammatory disease
PIE plan, intervention, evaluation
PIF peak inspiratory flow
PIG policy implementation guide; pigtail catheter
PIH pregnancy induced hypertension; prolactin-inhibiting hormone
PII patient/ person identifiable information
pil. pill
PIP proximal interphalangeal; peak inspiratory pressure
PIPOT persons in positions of trust
PIT Pitocin
PIV peripheral intravenous
PJC premature junctional contraction
PK test Prausnitz-k?stner test
PKD polycystic kidney disease
PKR photorefractive keratotomy
pks packs
PKU phenylketonuria
PL palmaris longus
PLACE patient-led assessments of the care environment
PLCV procedures of limited clinical value
PLIF posterior lumbar interbody fusion
PLL postero-lateral left
plt platelet
PM afternoon/evening
Pm Promethium (element)
PM&R physical medicine and rehabilitation
PMD private medical doctor
PMFSH past medical, family, social history
PMH past medical history
PMI point of maximum impulse; private medical insurance
PML progressive multifocal leukoencephalopathy
PMN polymorphonuclear neutrophil leukocytes
pmo picomole (picomolar)
pmol picomole (picomolar)
PMP previous menstrual period
PMR polymyalgia rheumatica
PMS premenstrual syndrome
PMT premenstrual tension
PMU pain management unit
PN product name; prenatal
PNA partial nail avulsion; percutaneous needle aspiration; personal needs allowance; pharmaceutical needs assessment; pneumonia
PNB premature nodal beats; peripheral nerve block
PNC premature nodal contraction; premature nodal complex; prenatal care
PNC-E post-necrotic cirrhosis-ethanol
PND paroxysmal nocturnal dyspnea; post nasal drip
PNF proprioceptive neuromuscular facilitation
PNH paroxysmal nocturnal hemoglobinuria
PNP Pediatric Nurse Practitioner
PNS peripheral nervous system
PNV prenatal vitamins
PNX pneumothorax
PO phone order; by mouth (per os)
po by mouth (per os)
PO2 partial pressure of oxygen
POA power of attorney
POAG primary open-angle glaucoma
POC plan of care; point of contact
POCT point of care testing
POD post operative day
POE point of entry
POLST physician orders for life-sustaining therapy
PONV post-operative nausea and vomiting
POPs progestin-only contraceptive pills
PORP partial ossicular replacement prosthesis
POS problem oriented system; point of service
poss possible
post after
post op post operative
post-op post operation
post. posterior
POTx proof of treatment
PP placenta previa; postpartum
PP1 post partum day 1, etc.
PPA phenyl pyruvic acid
PPB positive pressure breathing
ppb parts per billion
PPBG postprandial blood glucose
PPBS postprandial blood sugar
PPD percussion and postural drainage; purified protein derivative (tuberculosis test antigen)
PPE personal protective equipment
PPF plasma protein fraction
PPG postprandial glucose
PPH past psychiatric history; primary pulmonary hypertension
PPHN persistent pulmonary hypertension of the newborn
PPI patient package insert; proton pump inhibitor
PPIP put prevention into practice
ppm parts per million
PPM planned preventive maintenance
PPN peripheral parenteral nutrition
PPO preferred provider organization
PPROM preterm premature rupture of membranes
PPS postpartum sterilization
PPT positive pregnancy test; plasma preparation tube; partial prothrombin time
PPTL post-partum tubal ligation
PPV pneumococcal polysaccharide vaccine
PPW pre-pregnancy weight
PQRST provoke-quality-radiation-severity-time
PR per rectum; pulmonic regurgitation; pulse rate
Pr Praseodymium (element)
PR/R per rectum/rectal
PR3 proteinase 3
PRA plasma renin activity; panel-reactive antibody
PRB performance review board
PRBC packed red blood cell(s)
PRBCs packed red blood cells
PRE progressive resistive exercise
pre-op before surgery (pre-operative)
preg pregnancy, pregnant
PREM patient reported experience measure
prep preparation
prev prevention; preventive; previous
PRH prolactin-releasing hormone
primip primipara
PRIT posterior resection of inferior turbinates
PRK photorefractive keratotomy
PRL prolactin
PRM partial-rebreathing mask
prn as needed (pro re nata)
pro time prothrombin time
prob probable, probably
PROM passive range of motion; patient-reported outcome measure; premature rupture of membranes
prox proximal
PrP prion protein
PRP polysaccharide-ribitol-phosphate vaccine; platelet-rich plasma
PRQM publicly reported quality measures
PRRT pediatric rapid response team
PRSP penicillin-resistant streptococcus pneumoniae
PRVC pressure regulated volume control
PS pulmonic stenosis; pressure support
PSA patient support associate; prostate specific antigen; public service announcement
PsA psoriatic arthritis
PSCT peripheral stem cell transplant
PSD patient specific direction
PSDA patient self-determination act
PSE portal systemic encephalopathy
PSG polysomnogram (sleep study)
PSH past surgical history
psi per square inch (pounds)
PSIS posterior-superior iliac spine
PSL peripheral saline lock
PSO patient services office
PSV pressure support ventilation; prostate-specific antigen
PSVT paroxysmal supraventricular tachycardia
psy psychiatry, psychology
psych psychiatry, psychology
PT prothrombin time; preferred term; physical therapy; part time
Pt Platinum (element)
pt pint; patient
PTA pure tone audiometry; prior to admission; physical therapist assistant; peritonsillar abscess
PTC papillary thyroid cancer; points to consider
PTCA percutaneous transluminal coronary angioplasty
PTE pulmonary thromboembolism
PTEM pregnancy test education materials
PTFE polytetrafluorethylene
PTH parathormone; parathyroid hormone
PTK phototherapeutic keratectomy
PTL pre-term labor
PTR platelet transfusion reaction
pts patient, patients
PTSD post-traumatic stress disorder
PTT partial thromboplastin time
PTU propylthiouracil
PTX pneumothorax
Pu Plutonium (element)
PUBS percutaneous umbilical blood sampling
PUD peptic ulcer disease
PUFA polyunsaturated fatty acid
pul(m) pulmonary
PUS prostate ultrasound
PUVA psoralen ultraviolet a
PV vaginal (per vagina)
PVC polyvinyl chloride; premature ventricular contraction
PVD peripheral vascular disease
PVR peripheral vascular resistance; post void residual; pulmonary vascular resistance
PVRI Pulmonary Vascular Resistance Index
PVT paroxysmal ventricular tachycardia
PWA person with aids
PWB partial weight bearing
Px prognosis
PZA pyrazinamide