Just a big list of medical abbreviations. Note:

  • These abbreviations are based on Australian (and specifically Victorian) usage. Some abbreviations have other meanings elsewhere (e.g. BSL for British Sign Language).
  • The inclusion of a abbreviation here does not imply it is recommended to be used. Some abbreviations here are rare, unusual, limited in application, or liable to misinterpretation. Some abbreviations are specifically prohibited by the Australian Commission on Safety and Quality in Health Care.
  • Though big, this list is not complete. In particular, some abbreviations may have other meanings not listed.
  • No warranty is given as to the accuracy of this list. Nothing in this list constitutes medical advice; if you have questions about your healthcare, you should seek advice from your doctor.
Abbreviation Term
? query
/24 hours
/52 weeks
/60 minutes
/7 days
# fracture
# issue
½NS half normal saline (0.45% sodium chloride)
2/2 secondary to
2o secondary
4WF four-wheel frame
5-HT serotonin
6MWT 6 minute walk test
9HPT 9 hole peg test
A/E air entry
a/w associated with
A&O alert and orientated
A&Ox3 alert and orientated to time, place and person
AA aplastic anaemia
AAA abdominal aortic aneurysm
AAU acute assessment unit
ABG arterial blood gas
ABx antibiotics
ACA anterior cerebral artery
ACDF anterior cervical discectomy and fusion
ACL anterior cruciate ligament
ACR albumin-creatinine ratio (urine)
ACS acute coronary syndrome
ACS acute confusional state
ADLs activities of daily living
AF atrial fibrillation
AFI amniotic fluid index
AGSU acute general surgical unit
AKA above knee amputation
AKI acute kidney injury
ALL acute lymphoblastic leukaemia
AMA anti-mitochondrial antibody
AMA against medical advice
AMI acute myocardial infarction
AML acute myeloblastic leukaemia
AMS altered mental state
ANCA anti-neutrophil cytoplasmic antibody
AOM acute otitis media
AP anterior-posterior
APE abdominal-perineal excision
APH antepartum haemorrhage
APR abdominal-perineal resection
APS acute pain service
AR aortic regurgitation
AR anterior resection
ARF acute renal failure
ARM artificial rupture of membranes
AS aortic stenosis
ASA American Society of Anesthesiologists (Physical Status Classification)
ASD atrial septal defect
ASU acute surgical unit
ATOR at time of review
ATR advanced training registrar
ATSP asked to see patient
AVF arteriovenous fistula
AVNRT atrioventricular nodal reentrant tachycardia
AVR aortic valve replacement
AVRT atrioventricular reentrant tachycardia
AVSS afebrile, vital signs stable
aw. await
Ax assessment
AxO assessment order
AXR abdominal X-ray
b/g background
B/L bilateral
BAL broncho-alveolar lavage
BD 2 times daily
BDZ benzodiazepine
BGL blood glucose level
BIBA brought in by ambulance
BID 2 times daily
BKA below knee amputation
BLO bowels last opened
BM bowel motion
BMA bone marrow aspirate
BMAT bone marrow aspirate and trephine
BNI bladder neck incision
BNO bowels not opened
BO bowels opened
BP blood pressure
BPAD bipolar affective disorder
BPD borderline personality disorder
BPH benign prostate hyperplasia
BS bowel sounds
BSL blood sugar level
BSO bilateral salpingo-oophorectomy
BSSO bilateral saggital split osteotomy
BWO bowels were opened
Bx biopsy
c.c. with food
c/b complicated by
c/o complains of
C/S Caesarean section
CA corrected age
CABG coronary artery bypass graft
CAG coronary artery graft
CBC complete blood count
CBD common bile duct
CCB calcium channel blocker
CCMx continue current management
CF cystic fibrosis
CF clear fluids
CHF congestive heart failure
CIC consultant in charge
CK-MB creatine kinase-MB
CKD chronic kidney disease
CLL chronic lymphocytic leukaemia
CML chronic myelocytic leukaemia
CMML chronic myelomonocytic leukaemia
CMP calcium, magnesium and phosphate
COPD chronic obstructive pulmonary disease
CP chest pain
CP cerebral palsy
CPM continue present management
CRF chronic renal failure
CRT capillary refill time
CSF cerebrospinal fluid
CSL compound sodium lactate
CT computed tomography
CTA CT angiogram
CTCA CT coronary angiogram
CTCAP CT chest, abdomen and pelvis
CTG cardiotocograph
CTIVC CT intravenous cholangiogram
CTIVP CT intravenous pyelogram
CTKUB CT kidneys, ureters and bladder
CTPA CT pulmonary angiogram
CTR carpal tunnel repair
CTS carpal tunnel syndrome
CTSx cardiothoracic surgery
CTx chemotherapy
CVA cerebrovascular accident
CVC central venous catheter
CVS cardiovascular system
CWR consultant ward round
CXR chest X-ray
d/c discharge
d/t due to
D/W discussed with
D&C dilation and curettage
D10W 10% glucose in water
D5W 5% glucose in water
DAMA discharge against medical advice
DAPT dual antiplatelet therapy
DBS deep brain stimulation
DDx differential diagnosis
DI delayed intensification
DI diabetes insipidus
DM diabetes mellitus
DOI date of injury
DT drain tube
DTR deep tendon reflexes
DVT deep vein thrombosis
Dx diagnosis
E/G endoluminal graft
E/LFT electrolytes and liver function test
E/O excision of
E+D eat and drink
EAEBL equal air entry bilaterally
ECG electrocardiogram
ECOG Eastern Cooperative Oncology Group (Performance Status Scale)
ECT electroconvulsive therapy
ED emergency department
ED erectile dysfunction
EDH extradural haematoma
EF ejection fraction
EFW estimated fetal weight
EMR electronic medical record
ENT ears, nose and throat
EOM extra-ocular movement
ERCP endoscopic retrograde cholangiopancreatography
EtOH alcohol
ETT endotracheal tube
EUA examination under anaesthesia
EVD external ventricular drain
Ex examination
F/I for investigation
f/u follow up
FB foreign body
FBC full blood count
FBC fluid balance chart
FBE full blood examination
FESS functional endoscopic sinus surgery
FF free fluids
FFMN fasting from midnight
FHx family history
FOOSH fall on outstretched hand
FR fluid restriction
FUDS fluoroscopic urodynamics
FWD full ward diet
FWT full ward test (urine dipstick)
G-J gastrostomy-jejunostomy
GA gestational age
GA general anaesthetic
GAMP general anaesthetic and manipulation of plaster
GCA gestationally corrected age
GCA giant cell arteritis
GCS Glasgow coma scale
GEM geriatric evaluation and management
GI gastrointestinal
GMU general medicine unit
GORD gastro-oesophageal reflux disease
GUM genitourinary medicine
Hb haemoglobin
HD haemodynamic (as in “HD stable”)
HDS haemodynamically stable
HEENT head, eyes, ears, nose and throat
Hgb haemoglobin
HI homicidal ideation
HOLEP holmium laser enucleation of prostate
HOPC history of presenting complaint
HPB hepatic/pancreatic/biliary
HPI history of present illness
HR heart rate
HS heart sounds
HS head strike
HSDNA heart sounds dual, nil added
HSDNM heart sounds dual, no murmur
HSM hepatosplenomegaly
HTN hypertension
Hx history
I/C in charge
I/O insertion of
I&D incision and drainage
IBD inflammatory bowel disease
IBS irritable bowel syndrome
ICA internal carotid artery
IDC indwelling catheter
IDDM insulin-dependent diabetes mellitus
IF immunofluorescence
IHD ischaemic lung disease
ILD interstitial lung disease
IM intramuscular
IM interim maintenance
IMI intramuscular injection
IMU internal medicine unit
IO intraosseous
IOC intraoperative cholangiogram
IOL intraocular lens
IT intrathecal
ITH intrathecal
IU international units
IUTD immunisations up to date
IV intravenous
IVC intravenous cannula
IVH intraventricular haemorrhage
Ix investigations
JMML juvenile myelomonocytic leukaemia
JVPNE jugular venous pressure not elevated
L) left
LA left arm
LA left atrium
LAD lymphadenopathy
LAD left anterior descending (artery)
LCL lateral collateral ligament
LCT linear cautery turbinates
LCx left circumflex (artery)
LFT liver function test
LI loop ileostomy
LIF left iliac fossa
LL lower limb
LL left leg
LLE left lower extremity
LLL left lower limb
LLL left lower lobe (of lung)
LLQ left lower quadrant (of abdomen)
LMA laryngeal mask airway
LMP last menstrual period
LMZ left middle zone (of lung)
LN lymph node
LNMP last normal menstrual period
LOA loss of appetite
LOC loss of consciousness
LOW loss of weight
LP lumbar puncture
Lt left
LUE left upper extremity
LUL left upper limb
LUL left upper lobe (of lung)
LUQ left upper quadrant (of abdomen)
LUSCS lower uterine segment Caesarean section
LV left ventricle
LWD light ward diet
M/C miscarriage
mane morning
MCA middle cerebral artery
mcg micrograms
MCL medical collateral ligament
MCS microscopy, culture and sensitivities
MDS myelodysplastic syndrome
MEVT middle ear ventilating tubes
MI myocardial infarction
MI mitral incompetence
midi midday
MLG microlaryngoscopy
MM mucus membranes
MM multiple myeloma
MOI mechanism of injury
MONC medical oncology
MR mitral regurgitation
MR magnetic resonance
MRCP magnetic resonance cholangiopancreatography
MRI magnetic resonance imaging
MRND modified radical neck dissection
MS mitral stenosis
MSM men who have sex with men
MSU mid-stream urine
MTOP medical termination of pregnancy
MVA motor vehicle accident
MVD microvascular decompression
MVR mitral valve repair
Mx management
N&V nausea and vomiting
NAD no abnormalities detected
NBL neuroblastoma
NBM nil by mouth
ND night duty
neb. nebuliser
NG nasogastric
NGT nasogastric tube
NGTD no growth to date
NH nursing home
NHL non-Hodgkin lymphoma
NIC nurse in charge
NIDDM non-insulin-dependent diabetes mellitus
NKDA no known drug allergies
nocte night
NOF neck of femur
NRIS not responding to internal stimuli
NRRTV normal rate, rhythm, tone, volume
NS normal saline (0.9% sodium chloride)
NS nursing staff
NSAID non-steroidal anti-inflammatory drug
NSR normal sinus rhythm
NSTEMI non-ST-elevation myocardial infarction
NV neurovascular (as in “NV intact”)
NVB normal vaginal birth
NVI neurovascularly intact
NWB non-weight bearing
NYHA New York Heart Association (Functional Classification)
Ø nil
O/E on examination
o/n overnight
OA osteoarthritis
obs. observations
OD daily
OD oculus dexter (right eye)
OGD oesophago-gastro-duodenoscopy
OGS orthogeriatric surgery
OHG oral hypoglycaemic agent
OMFS oral and maxillofacial surgery
OP output
OP outpatient
ORIF open reduction, internal fixation
OS oculus sinister (left eye)
OSA obstructive sleep apnoea
OT occupational therapy
OT operating theatre
OU oculus uterque (both eyes)
OVB operative vaginal birth
p.c. after food
p/w presents with
PA posterior-anterior
PCA posterior cerebral artery
PCL posterior cruciate ligament
PCNL percutaneous nephrolithotomy
PCR protein-creatinine ratio (urine)
PDA posterior descending artery
PDA patent ductus arteriosus
PE pulmonary embolism
PEARL pupils and reactive to light
PEG percutaneous endoscopic gastrostomy
PEJ percutaneous endoscopic jejunostomy
PERRLA pupils equal, round, reactive to light and accommodation
PET positron emission tomography
PET pre-eclampsia toxaemia
PFT pulmonary function test
PHx past history
PICC peripherally inserted central catheter
PMHx past medical history
PMR polymyalgia rheumatica
PNS post nasal space
PO per os (oral)
POC point of care
POCUS point of care ultrasound
PPH postpartum haemorrhage
pPROM preterm prelabour rupture of membranes
PR per rectum
PR pulse rate
PRBC packed red blood cells
PRN as required
PROM prelabour rupture of membranes
PRS plastic/reconstructive surgery
PSA prostate specific antigen
PSA patient service assistant
PSVT paroxysmal supraventricular tachycardia
pt patient
PT physiotherapy
PTX pneumothorax
PUD peptic ulcer disease
PUL pregnancy of unknown location
PV per vaginum
PVB per vaginum bleeding
PVD peripheral vascular disease
PVP photovaporisation of prostate
pyh pack-year history
q_h every _ hours (e.g. q4h)
QD daily
QDS 4 times daily
QID 4 times daily
QOD every other day
R) right
r/o rule out
R/O removal of
r/v review
RA room air
RA rheumatoid arthritis
RA right arm
RA right atrium
RACF residential aged care facility
RAPD relative afferent pupillary defect
RBC red blood cell
RCA right coronary artery
RFT renal function test (UEC)
RIB resting in bed
RIF right iliac fossa
RL right leg
RLE right lower extremity
RLL right lower limb
RLL right lower lobe (of lung)
RLQ right lower quadrant (of abdomen)
RMZ right middle zone (of lung)
ROM range of motion
ROM rupture of membranes
RONC radiation oncology
RPAO routine post-anaesthetic observation
RR respiratory rate
Rt right
RTT return to theatre
RUE right upper extremity
RUL right upper limb
RUL right upper lobe (of lung)
RUQ right upper quadrant (of abdomen)
RV right ventricle
RWR registrar ward round
Rx prescription
S/B seen by
SAH subarachnoid haemorrhage
SC subcutaneous
SCZ schizophrenia
SDH subdural haematoma
SHx social history
SI suicidal ideation
SjS Sjögren's syndrome
SL sublingual
SMR scanned medical record
SND selective neck dissection
SNOH surgical neck of humerus
SNT soft, non-tender
SOB shortness of breath
SOBOE shortness of breath on exertion
SOEOB sitting over edge of bed
SOOB sitting out of bed
SpA spondyloarthropathy
SPS single point stick
SR senior registrar
SR sinus rhythm
SSc systemic sclerosis
SSx signs and symptoms
stat immediately
STD ST depression
STE ST elevation
STEMI ST-elevation myocardial infarction
STOP surgical termination of pregnancy
SVT supraventricular tachycardia
SW social work
SWD soft ward diet
Sx surgery
Sx signs/symptoms
T temperature
T&A tonsillectomy and adenoidectomy
T1DM type 1 diabetes mellitus
T1RF type 1 respiratory failure
T2DM type 2 diabetes mellitus
T2RF type 2 respiratory failure
TAH total abdominal hysterectomy
TAVI transcatheter aortic valve implantation
TAVR transcatheter aortic valve replacement
TCI to come in
TDS 3 times daily
TFT thyroid function test
TGA transposition of the great arteries
TGN trigeminal neuralgia
THR total hip replacement
TIA transient ischaemic attack
TID 3 times daily
TKR total knee replacement
TKVO to keep vein open
TM tympanic membrane
TnI troponin I
TnT troponin T
TOC transfer of care
TOE transoesophageal echocardiogram
TOF tetralogy of Fallot
TOP termination of pregnancy
top. topical
TOV trial of void
TPN total parenteral nutrition
TPP time, place and person
TTE transthoracic echocardiogram
TURBT transurethral resection of bladder tumour
TURP transurethral resection of prostate
TVH total vaginal hysterectomy
TWI T-wave inversion
Tx treatment
U units
U/S ultrasound
U&E urea and electrolytes
UA urinalysis
UA uric acid
UEC urea, electrolytes and creatinine
UL upper limb
UPPP uvulopalatopharyngoplasty
UPSI unprotected sexual intercourse
URS ureterorenoscopy
USS ultrasound scan
VATS video-assisted thoracoscopic surgery
VBG venous blood gas
VF ventricular fibrillation
VP ventricular-peritoneal
VSD ventricular septal defect
VT ventricular tachycardia
VTE venous thromboembolism
w/e weekend
WBAT weight bear as tolerated
WBC white blood cell
WCC white cell count
WLE wide local excision
WNL within normal limits
WOB work of breathing
WR ward round
XFN transfusion
XM crossmatch
XR X-ray