A to Z Guide to Veterinary Abbreviations


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A to Z of veterinary abbreviations


ā Ante (before)
A- Not eating
AA Affected area
AAD Antibiotic-associated diarrhea
AAFCO American Association of Feed Control Officials
AAFP American Association of Feline Practitioners
AAHA American Animal Hospital Association
AAHC Australian Animal Health Council
AAVC American Association of Veterinary Clinicians
Ab/AB Antibody
Feline blood group
abc or abx Antibiotics
abd/ABD/abdo. Abdomen
ABG Arterial blood gas
ABVP American Board of Veterinary Practitioners
ac, AC Ante cibum (before a meal)
ACE Angiotensin-converting enzyme
ACEC Animal Care and Ethics Committee
ACL Anterior cruciate ligament
ACS Altered conscious state
ACT Activated clotting time (blood test)
ACTH Adrenocorticotropic hormone
ad., AD Auris dexter (right ear)
AD Acute distress
ADH Antidiuretic hormone
Adrenal-dependent hyperadrenocorticism
ad lib As much as desired
ADR Adverse drug reaction
AF Atrial fibrillation
A:G Albumin globulin ratio
ag, Ag Antigen
AGN Acute glomerulonephritis
a.h. Alternis horis (every other hour)
AHT Animal health technician
AI Artificial insemination
AIHA Autoimmune hemolytic anemia
AIW All is well
AKI Acute kidney injury
Ala Alanine
ALB Albumin
ALD Approximate lethal dose
ALP Alkaline phosphatase
ALS Advanced life support
ALT Alanine transaminase
altern. d. Alterno die (every other day)
AMA Against medical advice
AML Acute myeloid leukemia
AMP Ampule
AMS Amylase
ANA Antinuclear antibody
ant Anterior
AOR At the owner’s request
AP Anterior-posterior
APAP Acetaminophen
APTT Activated partial thromboplastin time
aq Water (aqua)
ARF Acute renal failure
as, AS Auris sinister (left ear)
ASAVA Australian Small Animal Veterinary Association
ASPCA American Society for the Prevention of Cruelty to Animals
AST Aspartate aminotransferase
ATE Aortic thromboembolism
Adenosine triphosphate
ATT at this time
au. AU Auris utraque (both ears)
aurist. Auristillae (ear drops)
AUSC Ante (before)
Auscultation Average
AV Arteriovenous
AVA Australian Veterinary Association
AVSS Afebrile, vital signs stable
A&W Alive and well
Ax Axillary
AXR Abdominal x-ray
AZT Azidothymidine


B&A Bright and alert
B4 Before
Ba Barium
BA Bile acids
BAER Brain stem auditory evoked responses
BAL Dimercaprol
Bronchoalveolar lavage
BAR Bright, alert and responsive
BARH Bright, alert, responsive and hydrated
Bb/BB Bordetella bronchiseptica (vaccine)
BBB Blood-brain barrier
BBT Basal body temperature
BC Blood culture
Bone condition
BCC Basal cell carcinoma
BCP Blood chemistry profile
BCS Body condition score
BEG Boutique, exotic ingredients, and grain free (diets)
BER Basal energy requirement
BG Blood glucose
BGC Blood glucose curve
BGL Blood glucose level
BID, bid, b.i.d. Bis in die (twice a day)
BIOP Been in owner’s possession
BIW Twice a week
b/l Bilateral (both sides)
BLD Blood
bl. cult Blood culture
BLS Basic life support
BM Bone marrow
Bowel movement
BMbx Bone marrow biopsy
BOH Bucket on head
BOT Base of tail
bp, BP Blood pressure
bpm Beats or breaths per minute
BS Breath sound
Bowel sound
Blood sugar
Body secretions
BSL Blood sugar level
BT Bleeding time
BUN Blood urea nitrogen
BV Bacterial vaginosis
BVMS Bachelor of Veterinary Medicine and Surgery
BVM Bachelor of Veterinary Medicine
BW/BWT Body weight
Blood work
Bx Biopsy
BZD’s Benzodiazepines



C Centigrade, cervical vertebrae (C1, C2 etc)
C & S Culture and sensitivity
Ca, CA Calcium
CaOx Calcium oxalate
cap Capsule
CAT/CT Computed axial tomography / Computed tomography
Cath. Catheter
CAUTI Catheter-associated urinary tract infection
CBA Cat bite abscess
CBC Complete blood count
Crushed by car
cc Cubic centimetre
CCB Calcium channel blocker
CCF Congestive cardiac failure
Complicated crown fracture
CDC Centers for Disease Control and Prevention
CCL Cranial cruciate ligament
CDI Clostridium difficile infection
cf In comparison to
CFA Cat fight abscess
CFC Cat fight cellulitis
CFT Capillary filling time
CFW Cat fight wound
CGH Can go home
CHD Chronic heart disease
Congenital heart defect
Congenital hip dysplasia
Coronary heart disease
CHEM-7 A  basic metabolic panel (blood urea nitrogen, carbon dioxide, creatinine, glucose, serum chloride, serum potassium, serum sodium)
CHF Congestive heart failure
CHO Carbohydrate
CHOL, chol Cholesterol
CI Contraindicated
Cl Chloride
CLL Cervical line lesion (on a cat’s tooth)
CK / CPK Creatine kinase
CKD Chronic kidney disease
CLP Cleft lip and palate
CM Cardiomyopathy
CMI Cell-mediated immunity
CMPS Composite measure pain score
CN Cranial nerves
CNS Central nervous system
CO Carbon monoxide
CO2 Carbon dioxide
COPD Chronic obstructive pulmonary disease
CRI Constant rate of infusion
CPR Cardiopulmonary resuscitation
Creat Creatinine
crit Hematocrit
CRT Capillary refill time
Clinical signs
CSD Cat scratch disease
CSF Cerebrospinal fluid
CV Cardiovascular
CVD Cardiovascular disease
CVI Cervical vertebral instability
CVT Certified veterinary technician
Cx Clinical signs
CXR Chest X-ray
Cysto Cystocentesis


D Diarrhea
DAW Dispense as written
DBW Dog bite wound
d/c Discontinue
DCM Dilated cardiomyopathy
DDD Degenerative disc disease
DDL Dull, depressed, lethargic
DDx Differential diagnosis
DhWB Diarrhea with blood
DI Diabetes insipidus
DIC Disseminated intravascular coagulation
dil Dilute
DJD Degenerative joint disease
DKA Diabetic ketoacidosis
DLH Domestic longhair
DM Diabetes mellitus
DNA Deoxyribonucleic acid
DNS Dextrose normal saline (IV solution)
DOA Dead on arrival
D/O Drain out
DOI Duration of immunity
D/R Drain removal
drp(s) Drops
DS Dental score
DSH Domestic shorthair
DUDE Defecating, urinating, drinking and eating
Dx Diagnosis


E&B Euthanasia and burial
E&C Euthanasia and cremation
EAGS Empty anal glands
EBM Evidence-based medicine
ECF Extracellular fluid
ECG/EKG Electrocardiogram
ED Every day
EDDU Eating, drinking, defecating and urinating
EDUD Eating, drinking, urinating and defecating
EENT Eyes, ears, nose and throat
EFA Essential fatty acid
ELF Enzyme-labeled fluorescence
ELISA Enzyme-linked immunosorbent assay
EM Electron microscopy
EOD Every other day
Eos Eosinophil
EPG Eggs per gram of feces
EPO Erythropoietin
ER Emergency room
ESRD End-stage renal disease
EtOH Alcohol
EUGA Examine under general anesthetic
exp Expired


F Fahrenheit
Filial (F1, F2 etc)
F3 Feline viral rhinotracheitis calicivirus and panleukopenia (vaccine)
F4 (WA) Feline vaccination: Enteritis, Rhinotracheitis, Calicivirus, Feline Leukemia
F4 (QLD) Feline vaccination: Enteritis, Rhinotracheitis, Calicivirus, Chlamydia
F5 Feline vaccination: Enteritis, Rhinotracheitis, Calicivirus, Chlamydia, Leukemia
FA Fluorescent antibody
Fatty acids
FAD Flea allergy dermatitis
FATE Feline aortic thromboembolism
FB Foreign body
FBC Full blood count
FBS Fasting blood sugar
FCRVP Feline viral rhinotracheitis calicivirus and panleukopenia (vaccine)
FCV Feline calicivirus
FDA Food and drug administration
Fe Iron
FeBb Feline Bordetella bronchiseptica
FECV Feline enteric coronavirus
Fel Feline
FeL Feline leishmaniasis
FELLC Feline lymphosarcoma-leukemia complex
FeLV Feline leukemia virus
FFP Fresh frozen plasma
FHA Femoral head and neck osteotomy
FHD Feline heartworm disease
FHV Feline herpesvirus
FIA Feline infectious anemia
FIC Feline idiopathic cystitis
FIP Feline infectious peritonitis
FIV Feline immunodeficiency virus
Fl Fluid
Intact female
FLUTD Feline lower urinary tract disease
FNA Fine needle aspirate
FOCMA Feline oncornavirus-associated cell membrane antigen
FORL Feline odontoclastic resorptive lesion
FOS Full of stool
FRV Feline rhinotracheitis virus
Feline rotavirus
Spayed female
Fecal smear
FSV Feline sarcoma virus
FTT Failure to thrive
F/U Follow up
FUO Fever of unknown origin
FUS Feline urologic syndrome
FVRCP Feline viral rhinotracheitis, calicivirus, panleukopenia  (F3 vaccine)
Fx Fracture


GA General anesthesia
GABA Gamma-aminobutyric acid
GB Gallbladder
GC General condition
GDU Gastroduodenal ulceration
GERD Gastroesophageal reflux disease
GFR Glomerular filtration rate
GH Growth hormone
GI Gastrointestinal
Glu Glucose
gm Gram
GN Glomerulonephritis
GSW Gunshot wound
Gt Drop
Gtt Drops
GU Gastric ulcer
GvH Graft vs host


H Histamine
H2O Water
H2O2 Hydrogen peroxide
H & M Hematemesis and melena
Hb Hemoglobin
HBC Hit by car
HBP High blood pressure
HCO3 Bicarbonate
HCM Hypertrophic cardiomyopathy
Hct/HCT Hematocrit
HD Hip dysplasia
HDDST High dose dexamethasone suppression test
HDL High density lipoprotein
HF Heart failure
Hg/Hgb Hemoglobin
HGE Hemorrhagic gastroenteritis
HH Hiatus hernia
HL Hepatic lipase
H/L Heart and lungs
HLD Hyperlipidemia
H/O History of
HR Heart rate
HSA Hemangiosarcoma
HSL Hypertonic saline
HT/HTN Hypertension
HVS Hyperviscosity syndrome
HW Heartworm
HWP Heartworm prevention
HWtest Heartworm test
HyperA Hyperadrenocorticism
HyperT4 Hyperthyroidism
Hx History of


I Iodine
IBD Inflammatory bowel disease
IC Immunocompromised
Intensive care
Interstitial cystitis
Immune complex
ICF Intracellular fluid
I & D Incision and drainage
ID Intradermal
IDA Iron deficiency anemia
IDDM Insulin-dependent diabetes mellitus
IDST Intradermal skin testing
IFA Indirect fluorescent antibody
IFN Interferon
Ig Immunoglobulin
IgA Immunoglobulin A
IgD Immunoglobulin D
IgE Immunoglobulin E
IgG Immunoglobulin G
IGR Insect growth regulators
IHA Indirect hemagglutination
IM Intramuscular
IMI Intramuscular injection
IN Intranasal
INH Inhaled
Inj Injection
IOL Intraocular lens
IOP Intraocular pressure
IP Intraperitoneal
IPPB Intermittent positive pressure breathing
ITP Immune-mediated thrombocytopenia
IU International unit
IV Intravenously
IVD/IVDD Intervertebral disc/disease
IVP Intravenous pyelogram, intravenous pyelography
Ix Investigation


JPP Joint protection plan
J tube Jejunostomy tube (feeding tube)


K Potassium
KA Ketoacidosis
KBH Kicked by horse
KBr Potassium bromide
Kcal Kilocalories
KCS Keratoconjunctivitis sicca
Kg Kilogram
KOH Potassium hydroxide
KTZ Ketoconazole
KUB Kidneys, ureters, and bladder (x-ray)


L Leukocytes
Lumbar vertebrae
LA Left atrium
Local anesthetic
Lac Laceration
Lap Laparotomy
Lat Lateral
lb Pound (weight)
LBO Large bowel obstruction
LBP Low back pain
LD Lethal dose
LDDST Low dose dexamethasone suppression test
LDL Low density lipoprotein
LE Lupus erythematosus
LFB Linear foreign body
LFT Liver function test
Lig Ligament
LH Luteinising hormone
LN Lymph node
LPE Lymphocytic Plasmacytic Enteritis
LR Lactated Ringers
LS Left side
LSA Lymphosarcoma
LV Left ventricle
LVT Licensed veterinary technician
Lytes Electrolytes


MAC Minimal antibiotic concentration
MACVs Member of the Australian College of Veterinary Scientists
MAE Moves all extremities
MC&S Microscopy (gram stain), culture and sensitivity
MCA Motor car accident
MCH Mean corpuscular hemoglobin
MCT Mast cell tumour
MCV Mean corpuscular volume
Meds. Medications
mg Milligram
ml Millilitre
MM Mucous membranes
Multiple myeloma
M/N, M(n) Neutered male
MPV Mean platelet volume
MR Mitral regurgitation
MRI Magnetic resonance imaging
MS Musculoskeletal
mt Metatarsal bone
MTD Maximum tolerated dose
Mx Monitor
Multiple times


Na Sodium
NaCI Sodium chloride (normal saline)
NAD No abnormality detected
Not actually done
NAF No abnormal findings
NDR Not doing right
n/e Not eating
NG Tube Nasal gastric tube
NI Neonatal isoerythrolysis
NKA No known allergies
NM Neutered male
NPO Nothing by mouth
NR No refill
nRBC Nucleated red blood cells
NS Normal saline
NSAID Non-steroidal anti-inflammatory drug
NSF No significant findings
NSR Normal sinus rhythm
NSU No significant change from last exam
NTE Not to exceed
NTI Non thyroidal illness
N/V Nausea and vomiting
NVL No visible lesions
NWB Non-weight-bearing


O Owner
O2 Oxygen
OA Osteoarthritis (degenerative joint disease)
OCD Obsessive-compulsive disorder
OCNE Off colour not eating
OD Oculus dextrous (right eye)
OE Otitis externa
OHE Ovariohysterectomy
OI Otitis interna
OID, oid Once a day (medicine)
oint. Ointment
OM Otitis media
OP Organophosphate
OPP Organophosphate poisoning
OR Operating room
Owner reports
OS Oculus sinister (left eye)
OTC Over the counter
OU Oculus uterque (both eyes)
OVH Ovariohysterectomy (spay)
oxytet Oxytetracycline (antibiotic)
Oz Ounce


P Phosphorous
PABs Pre-anesthetic bloods
PAF Platelet-activating factor
PALP Palpitate
path. Pathology
Pc Post cebum (after meals)
PCFO Phone call from owner
PCR Polymerase chain reaction
PCV Packed cell volume
Primary care veterinarian
PDA Patent ductus arteriosus
PDH Pituitary-dependent hyperadrenocorticism
PDx Provisional diagnosis
PE Physical examination
PEI Pancreatic exocrine insufficiency
PF Platelet factor
PKD Polycystic kidney disease
Pl Eff Pleural effusion
PLN Peripheral lymph nodes
Plt Platelet
artial parenteral nutrition
PRA Progressive retinal atrophy
ersistent right aortic arch
PRBC Packed red blood cells
Pseudorabies virus
pt Patient
Prothrombin time
PTH Parathyroid hormone
PTS Put to sleep
PU/PD Polyuria/polydipsia
Px Physical examination


QAR Quiet, alert, responsive
qd, QD Quaque die (once a day)
QID, qid Quater in die (four times a day or every 6 hours)
ql Quantum libet (as much as desired)
QOD Quaque altera die (every other day)
QOL Quality of life
qv Quantum vis (as much as you please)


rads Radiographs
RAST Radioallergosorbent test
RBC Red blood cell count
rDVM Referring veterinarian
RDW Red cell distribution width
RNA Ribonucleic acid
ROM Range of motion
RR Respiratory rate
RSAT Rapid slide agglutination test
RV Rabies vaccine
Rx Prescription


SAP Serum alkaline phosphatase
SBA Serum bile acids
sc, SC Subcutaneous
SD Standard deviation
SF Spayed female
SG Specific gravity
SID Semel in die (once a day)
SLE Systemic lupus erythematosus
SMZ Sulfamethazine
sp, spp Species (singular) / species (plural)
sq, SQ Subcutaneous
S/R Suture removal
s/s Signs and symptoms
SSI Surgical site infection
SSRI Selective serotonin reuptake inhibitor
Stat Immediately
Sx Symptoms



T3 Triiodothyronine
T4 Thyroxine
TBIL Total bilirubin
TCC Transitional cell carcinoma
TECA Total ear canal ablation
TID, t.i.d. Ter in die (three times a day)
TLC Tender loving care
TLI Trypsin-like immunoreactivity
TNTC Too numerous to count
Toxo Toxoplasmosis
TP Total protein
TPN Total parenteral nutrition
TPR Temperature, pulse and respiration rate
TSH Thyroid-stimulating hormone
TT Thrombin time


UA Urinalysis
UO Urinary obstruction
UPC Urine protein to creatinine ratio
URI Upper respiratory infection
UTI Urinary tract infection


V+ Vomiting
VD, V/D Ventral-dorsal
Vomiting and diarrhea
VMD Veterinary medical doctor
VPT Vital pulp therapy
VT Veterinary technician
Vx Vaccine


WBC White blood cell count
WB Western blot (test)
WNL Within normal limits


X-Ray Radiograph


Y Yes


Z Sleeping


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