medical abbreviations
This is a list of medical acronyms and abbreviations.
The US based Joint Commission on Accreditation of Healthcare Organizations (JCAHO) requires its members to follow a "do not use list":[1]
| Do Not Use |
Potential Problem |
Use Instead |
| Official "Do Not Use" List: |
| U (unit) |
Mistaken for “0” (zero), the number “4” (four) or “cc” |
"unit" |
| IU (International Unit) |
Mistaken for IV (intravenous) or the number 10 (ten) |
"International Unit" |
Q.D., QD, q.d., qd (daily)
Q.O.D., QOD, q.o.d, qod (every other day) |
Mistaken for each other. Period after the Q mistaken for "I" and
the "O" mistaken for "I" (q.i.d. is four times a day dosing) |
"daily"
"every other day" |
Trailing zero (X.0 mg)
Lack of leading zero (.X mg) |
Decimal point is missed |
X mg
0.X mg |
| MS |
Can mean morphine sulfate or magnesium sulfate |
"morphine sulfate" |
| MSO4 and MgSO4 |
Confused for one another |
"magnesium sulfate" |
| For possible future inclusion in the Official List: |
> (greater than)
< (less than) |
Misinterpreted as the number "7" (seven) or the letter "L".
Confused for one another |
"greater than"
"less than" |
| Abbreviations for drug names |
Misinterpreted due to similar abbreviations for multiple drugs |
Write drug names in full |
| Apothecary units |
Unfamiliar to many practitioners. Confused with metric units |
metric units |
| @ |
Mistaken for the number "2" (two) |
"at" |
| cc |
Mistaken for U (units) when poorly written |
"ml" or "milliliters" |
| µg |
Mistaken for mg (milligrams) resulting in one thousand-fold overdose |
"mcg" or "micrograms" |
Contents: Top - 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
0–9
- # – Fracture
- #NOF Fracture to the neck of the – femur
- x/12 x number of months
- x/40 x number of weeks of pregnancy
- x/52 x number of weeks
- x/7 x number of days
- 5-HT – Serotonin – 5-Hydroxytryptamine
- Ψ – Psychiatry
A
- A&Ox3 – Alert and Oriented to person, place, and time
- A&Ox4 – Alert and Oriented to person, place, time, and circumstances (often used interchangeably with A&Ox3)
- AAA – Abdominal aortic aneurysm
- Ab – Antibody
- ABC – aspiration biopsy cytology
- ABCD "Assymetry, borders, color, diameter" Is it a – Melanoma?
- ABD or abd – abdomen
- ABG – Arterial blood gases
- ABMT – Autologous bone marrow transplantation
- ABPI – Ankle brachial pressure index
- ABVD – doxorubicin bleomycin vinblastine dacarbazine First-line treatment for Hodgkin's lymphoma.
- ABX – antibiotics "Bugjuice"
- a.c. before food, from – Latin, ante cibum
- ACE – Angiotensin converting enzyme
- ACEI – Angiotensin converting enzyme inhibitors
- ACh – Acetylcholine
- ACL – Anterior cruciate ligament
- ACLS – Advanced cardiac life support
- ACTH – Adrenocorticotropic hormone
- AD – Alzheimer's Disease
- ADA – Adenosine deaminase
- ADC – AIDS dementia complex
- ADD – Attention Deficit Disorder
- ADH – Antidiuretic hormone
- ADHD – Attention Deficit Hyperactivity Disorder
- ADL – activities of daily living
- ad lib – as desired from – Latin, ad libitum
- adm admission
- ADR – Adverse drug reaction
- ADR Ain't doin' right
- AEM – Ambulatory electrocardiogram monitoring
- AF – atrial fibrillation
- AF – Amniotic fluid
- AFB – acid fast bacilli
- AFO – ankle-foot orthosis
- AFP – Alpha-fetoprotein
- Ag – Antigen
- AGMI Ain't Gonna Make It
- AHF – Antihemophilic factor
- AHG – Antihemophilic globulin
- AHH – aryl hydrocarbon hydroxylase
- AI – Artificial insemination
- AI – Aortic insufficiency
- AICD – Automatic implanted cardiac defibrillator
- AID – Artificial insemination by donor
- AIDS – Acquired Immune Deficiency Syndrome
- AIH – artificial insemination by husband
- aka – also known as
- AKA – Above knee amputation
- ALG – Antilymphocytic globulin
- ALL – Acute lymphocytic leukemia
- ALP – Alkaline phosphatase
- ALPS – Autoimmune lymphoproliferative syndrome
- ALS – Amyotrophic Lateral Sclerosis
- ALS – Advanced Life Support
- ALT – Alanine transferase
- AMA – Anti-mitochondrial Antibodies
- AMC – Arthrogryposis multiplex congenita
- AMI – Acute myocardial infarction
- AML – Acute myelocytic leukemia
- AMP – Adenosine monophosphate
- AMS – Acute mountain sickness
- AMS – atypical measles syndrome
- ANA – Anti-nuclear antibody
- ANCA – Anti-neutrophil cytoplasmic antibodies
- ANF – Atrial natriuretic factor
- ANP – Atrial natriuretic peptide
- ANS – Autonomic nervous system
- ANUG – Acute necrotizing ulcerative gingivitis
- AP – Alkaline phosphatase
- APAP – acetaminophen, paracetamol; from the chemical name N-acetyl-para-aminophenol
- APD – adult polycystic disease
- APECED – autoimmune polyendocrinopathy
- APH – Antepartum haemorrhage
- APLS – antiphospholipid antibody syndrome
- APSAC – Anisoylated plasminogen streptokinase activator complex
- APS – autoimmune polyglandular syndrome
- aPTT – Activated Partial Thromboplastin Time
- AQR Ain't Quite Right
- AR – Aortic Regurgitation
- ARC – AIDS related complex
- ARDS – Acute respiratory distress syndrome
- ARF – Acute renal failure
- Arg – Arginine
- ART – antiretroviral therapy
- ARM – Artificial rupture of membranes
- ASA – Acetylsalicylic acid - commonly known as – aspirin
- AS – Aortic stenosis
- ASCAD – arteriosclerotic coronary artery disease
- ASD – Atrial septal defect
- ASGUS – Atypical squamous glandular cells of undetermined significance
- ASCUS – Atypical squamous cells of undetermined significance
- ASL – American sign language
- ASO – Antistreptolysin O
- ASOT – Antistreptolysin O titre
- AST – Aspartate transaminase
- ASX – Asymptomatic
- ATCC – American Type Culture Collection
- ATG – Antithymic globulin
- AT-III – Antithrombin III
- ATP – acute thrombocytopenic purpura
- ATP – adenosine triphosphate
- ATP – Anti-tachycardia pacing
- AVM – Arteriovenous malformation
- AVR – Aortic valve replacement
- AZT – azidothymidine
B
- BA – barium
- BAL – Bronchoalveolar lavage
- BAL – British anti-Lewisite
- BAL Blood Alcohol Level
- BAO – Basic acid output)
- BAT – Brown adipose tissue
- BCG – Bacille Calmette-Guerin (a – tuberculosis vaccination)
- BBMF "Bone break, me fix" Orthopedic consent form
- b.d. Twice daily, from – Latin, bis die
- b.i.d. Twice daily, from – Latin, bis in die
- BE – Base excess
- BIBA brought in by ambulance
- BFB Big F*cking Baby =difficult whiney patient
- BK – Bacterium Koch
- bl cult [blood culture]
- bld [blood]
- BLS Basic Lifting service
- BMC – Bone mass content
- BMD – Bone mineral density (also termed bone mass measurement)
- BMI – Body mass index
- BMP Blood Metabolic Profile
- BMR – Basal metabolic rate
- BMT – Bone marrow transplantation
- BNF – British National Formulary
- BNP – Brain natriuretic peptide
- BOHICA Bend Over, Here It Comes Again
- BOI Born on island, ie. a local patient.
- BP – Blood pressure
- BP – Bipolar disorder
- BPD – Bi-Parietal Diameter
- BPD – Borderline personality disorder
- BPH – Benign prostatic hyperplasia
- BPM – Beats per minute
- BPPV – Benign paroxysmal positional vertigo
- BS Breath or Bowel sounds on – asculation with stethescope
- BSE – Bovine spongiform encephalopathy
- BSE – Breast self-examination
- BSP – Bromsulphthalein
- BUN – Blood urea nitrogen
- BV – Bacterial vaginosis
- Bx – Biopsy
C
- ċ (c with a bar over it) with from – Latin, cum
- CABG – Coronary Artery Bypass Graft surgery. Pronounced "Cabbage".
- CAD – Coronary artery disease
- cAMP – cyclic adenosine monophosphate
- CA – Carcinoma
- Ca – Calcium
- CADASIL – Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy
- CAH – Chronic Active Hepatitis
- CAH – Congenital adrenal hyperplasia
- CAT – computed axial tomography
- CAPD – Continuous ambulatory peritoneal dialysis
- CBC – Complete Blood Count
- CC – Cubic centimenter, or Chief Complaint
- CCF – Congestive cardiac failure
- CCK – Cholecystokinin
- CEA – Carcinoembryonic antigen
- CF – Cystic fibrosis
- cGMP – Cyclic guanosine monophosphate
- ChE – Cholinesterase
- CHD – Coronary heart disease
- CHE – Cholinesterase
- CHF – Congestive heart failure
- CI – Confidence interval
- CJD – Creutzfeldt-Jakob disease
- CK – Creatine kinase
- CLL – Chronic lymphocytic leukemia
- CML – Chronic myelogenous leukemia also called Chronic myeloid leukaemia
- CMML – Chronic myelomonocytic leukemia
- CMS – Chronic mountain sickness
- CMV – Cytomegalovirus
- COAD – Chronic obstructive airways disease
- COLD – Chronic obstructive lung disease
- COPD – Chronic obstructive pulmonary disease
- CO – Cardiac output
- CO – Carbon monoxide
- COX-1 – Cyclooxygenase 1
- COX-2 – Cyclooxygenase 2
- CP – cerebral palsy
- CPAP – Continuous positive airway pressure
- CPK – Creatine phosphokinase
- CPR – Cardiopulmonary resuscitation
- CREST Calcinosis Raynaud Esophagus Sclerosis Teleangiectasiae
- CRF – Chronic renal failure
- CRF – Corticotropin-releasing factor
- CRH – Corticotropin-releasing hormone
- CRI – Chronic renal insufficiency
- CRP – C-reactive protein
- CR – Complete remission
- CS – Caesarean section
- CsA – Ciclosporin A
- CSF – Cerebrospinal fluid
- CT – computed axial tomography
- CVA – Cerebrovascular accident
- CVD – Cardiovascular disease
- CVP – Central venous pressure
- CVS – Chorionic villus sampling
- CVID – Common variable immunodeficiency
- Cx – Microbiological culture
- CXR Chest X-ray
D
- DBP – Diastolic blood pressure
- D&C – Dilatation and curettage operation
- DCM – Dilated cardiomyopathy
- DDD – Daily Defined Doses
- DDx – Differential diagnosis
- DHEA-S – Dehydroepiandrosterone sulphate
- DHE – Dihydoergotamine
- DIB – Dead in Bed
- DIC – Disseminated intravascular coagulation
- DIP – Distal interphalangeal joint
- DPT – Diphtheria Pertussis Tetanus
- DiPerTe – Diphtheria Pertussis Tetanus
- DiTe – Diphtheria Tetanus
- DM – Diabetes Mellitus
- DNA – Deoxyribonucleic acid
- DNR – Do Not Resuscitate
- DNAR – Do Not Attempt Resusciatation
- DOA – Dead on arrival
- DOE – Dyspnea on exertion
- DOSS – Docusate sodium; from the chemical name dioctyl sodium sulfosuccinate
- DT – Diphtheria Tetanus
- DTP – Diphtheria Tetanus Pertussis
- DUB – Dysfunctional uterine bleeding
- DVR Darth Vader Respirations (Agonal breathing)
- DVT – Deep vein thrombosis
- DWO Death warmed over
- DEXA – Dual Energy X-ray Absorptiometry
- Dx – Diagnosis
- D&C – Dilation & Curettage or Dilatation & Curettage Jargon: "Dustin' and Cleanin'", "Doughnuts and coffee"
E
- E – Erythrocytes
- EACA – Epsilon-aminocaproic acid
- EBM – Evidence-based medicine
- EBM Expressed – Breast Milk
- EC – Enterically Coated
- ECG – Electrocardiogram
- ED – Emergency department
- ED – Erectile Disfunction
- ED – Ectodermal dysplasia
- EDD Estimated Date of Delivery (at 40/40 weeks of pregnancy)
- EDD Estimated date of discharge
- EDRF – Endothelium-derived relaxing factor aka – Nitric oxide
- EEG – Electroencephalogram
- EF – Ejection Fraction
- EGF – Epidermal Growth Factor
- EKG – Electrocardiogram
- EMLSCS – Emergency Lower Segment Caesarian Section
- ELLSCS – Elective Lower Segment Caesarian Section
- ELISA – Enzyme-Linked Immunosorbent Assay
- EMC – Encephalomyocarditis
- EMD – Early Morning Discovery ("Woke up Dead")
- EMF – Endomyocardial fibrosis
- EMG – Electromyography
- ENT – Ear Nose and Throat. (Otolaryngology)
- EENT – eyes, ears, nose, throat
- EPH – Edema Proteinuria Hypertension
- EPO – Erythropoietin
- ERCP – Endoscopic Retrograde Cholangiopancreatography
- ESL Extracorporeal Shockwave Lithotripsy (also ESWL) - see lithotriptor
- ESAD – "Every Sock Air Dries" (an caution against overtreating patients)
- ESR – Erythrocyte sedimentation rate
- ESWL Extracorporeal Shock Wave Lithotripsy (also ESL) - see – lithotriptor
- ET – Endothelin
- ETT – Endotracheal tube
- ETOH – ethanol or – ethyl alcohol
- EUS – Endoscopic Ultrasonography
F
- FBC – Full blood count
- FBE – Full blood exam
- F/C – Fevers or Chills
- FDP – Fibrinogen Degradation Products
- FEV1 – Forced Expiratory Volume 1-second
- Fe – Iron
- FF free fluids (non-thickened fluids)
- FFA – Free fatty acids
- FFFFFFFS – "Fat, forty, flatulent female with frothy, floating, feculant stools" =Gall stones
- FFP – Fresh frozen plasma
- FHR – Fetal heart rate
- FHT – Fetal heart tones
- FIBD Found in Bed Dead
- FLK Funny Loooking Kid (Might be a syndrome}
- FNC – Full nursing care
- FOF Found on Floor (Patient fell out of bed)
- FPG – Fasting plasma glucose
- FSE Fetal Scalp Electrode
- FSH – Follicle stimulating hormone
- FTA-ABS – Fluorescent Treponemal Antibody Absorption
- FTA – Fluorescent Treponemal Antibody
- FTD Fixin' to Die (Also see CC)
- FUAB Found Under a Bridge (might need social worker consult)
- FUBAR Fouled up beyond repair
- FUAR Found Under A Rock (definitely needs a social worker)
- FWB Full weight bearing
- FWD Full ward diet
G
- G – Gravida (total number of pregancies, successful or not)
- G6PD – Glucose-6-phosphate-dehydrogenase
- GA – General anaesthesia
- GABA – gamma-aminobutyric acid
- GCA – Giant cell arteritis
- GCS – Glasgow Coma Scale
- GDLH – Glutamate dehydrogenase
- GERD – Gastro-esophageal reflux disease
- GFR – Glomerular filtrate rate
- GGTP – Gamma glutamyl transpeptidase
- GH – Growth hormone
- GH "Gyn Hog" =morbidly obese patient on gynecology service (jargon). Requires special care.
- GHRF – Growth hormone releasing factor
- GITS – Gastrointestinal therapeutic system
- GIFT – Gamete intrafallopian transfer
- GOA Gone on Arrival (i.e., DOA)
- GOK God only knows
- GORK God Only Really Knows. Typically used to describe an obtunded patient ("Mr Johnson was really Gorked after his closed head injury, but he came around quickly.")
- GORD – Gastro-oesophageal reflux disease
- GOT – glutamic-oxalacetic transaminase
- GPT – glutamic-pyruvic transaminase
- GSW – Gun-shot wound see HVLT
- GTN – Glyceryl trinitrate
- GU Genitourinary
- GUM – Genitourinary medicine (often used more restrictively as alternative to Sexually-transmitted disease clinic)
- GvH – Graft-versus-host
- GvHD – Graft-versus-host disease
H
- HA – Hypertonia arterialis
- HAD – HIV-associated dementia
- H/A – headache
- H&E – Hematoxlyn and Eosin Standard tissue stain. Sometimes used as noun referring to stained slides--"H&E's showed..."
- HAV – Hepatitis A virus
- Hb – Hemoglobin
- HBV – Hepatitis B virus
- HCG – Human chorionic gonadotropin
- HCM – Hypertrophic cardiomyopathy
- HCT – Hematocrit
- HCT – Hydrochlorothiazide
- HCV – Hepatitis C virus
- HDL – High density lipoprotein
- HDL-C – High Density Lipoprotein Cholesterol
- HDU – High dependency unit
- HDV – Hepatitis D virus
- HEV – Hepatitis E virus
- HGB – Hemoglobin
- HGD He's Gonna Die
- HH – Hiatus hernia
- H&H – Hemoglobin and Hematocrit
- Hib – Haemophilus influenzae B
- HIV – Human immunodeficiency virus
- HL – Hepatic lipase
- HLA – Human leukocyte antigens
- H&M – Hematemesis and Malena
- HMO Heave Mom Out (Sometimes seen on pediatric wards)
- HOCM – Hypertrophic obstructive cardiomyopathy
- H&P history & physical
- HPI history of present illness
- HR – Heart rate
- HRT – Hormone replacement therapy
- H.S. – At bedtime, hora somni.
- HSG – Hysterosalpingogram
- HSV – Herpes simplex virus
- HT – Hypertension
- HTLV – Human T-lymphotropic virus
- HTN – Hypertension
- HUS – Hemolytic uremic syndrome
- HVLT High-velocity Lead Therapy, also see GSW
- Hx history
I
- I – radioactive iodine
- IA – Intra-arterial
- IABP – Intra-aortic balloon pump
- IAI – Intra-amniotic infection
- IC – Intracardiac
- ICD – Implantable cardioverter-defibrillator
- ICD-10 – International Classification of Diseases-10th Revision
- ICH – Intracerebral hemorrhage
- ICP – Intracranial pressure
- ICU – Intensive care unit
- I & D – Incision and drainage (How to treat an abcess}
- IDC – Idiopathic dilated cardiomyopathy
- IDC – Indwelling catheter
- IDDM – Insulin dependent diabetes mellitus
- IDL – Intermediate density lipoprotein
- IFG – Impaired fasting glycaemia
- Ig – Immunoglobulin
- IGT – Impaired glucose tolerance
- IHD – Ischaemic heart disease
- i.m. – intramuscular
- IMB Intermenstrual bleed (bleeding between periods)
- IMI – Intramuscular injection
- INF – Interferon
- INR – International normalized ratio
- I&O – inputs and outputs
- IOL – Intraocular lens
- IOP – Intraocular pressure
- IP – Interphalangeal joint
- IPPV – Intermittent positive pressure ventilation
- IQ – Intelligence Quotient
- ISA – Intrinsic Sympathomimetic Activity
- ISDN – Isosorbide dinitrate
- ISH – Isolated systolic hypertension
- ISMN – Isosorbide mononitrate
- i.s.q. no change from – Latin, in status quo
- IT – Intrathecal
- ITP – Idiopathic thrombocytopenic purpura
- ITU – Intensive Treatment Unit (or Intensive Therapy Unit)
- IUCD – intrauterine contraceptive device
- IU – International units
- IUD – Intrauterine Death
- IUD – intrauterine device
- IUI – Intrauterine insemination
- IUS – intrauterine system
- i.v. – Intravenous
- IV-DSA – Intravenous digital subtraction angiography
- IVDU – Intravenous drug user
- IVF – In vitro fertilization
- IVP – Intravenous pyelogram
J
- JMS "Junior Medical Student" AKA "MS-3" Also see "TOBASH"
- JVD – Jugular vein distension
K
- K – Potassium (in German, Kalium)
- Kcal – Kilocalorie, Calorie
- kg – Kilogram
- KUB [kidney, ureter, bladder (x-ray)]
L
- LAD – Left Anterior Descending coronary artery
- LAP – Leukocyte alkaline phosphatase
- LAR – Low Anterior Resection
- LAS – Lymphadenopathy syndrome
- LBBB – Left bundle branch block
- LCM – Lymphocytic meningitis
- LDH – Lactate dehydrogenase
- LDL – Low density lipoprotein
- LDL-C – Low Density Lipoprotein Cholesterol
- L-DOPA – DihydrOxyPhenylAlanine
- LES – Lower esophageal sphincter
- LES – Lupus erythematosus systemicus
- LE – Lupus erythematosus (in German Lupus erythematodes)
- leu – Leukocytes
- LFT – Liver function test
- LGL – Lown-Ganong-Levine syndrome
- LGM – Lymphogranulomatosis maligna
- LGV – Lymphogranuloma venereum
- LH – Luteinizing hormone
- L – Leukocytes
- LIH left – inguinal hernia
- LLL left lower lobe
- LLQ – left lower quadrant
- LM Left Main
- LMC Low Marble Count
- LMP Last Menstrual period (prior to pregnancy and in woman with regular 28 day cycle taken as 0/40 weeks of pregnancy)
- LOL Little old Lady
- LOL-NAD Little old Lady in No Apparent Distress
- LOS – Length of stay
- Lp – Lipoprotein
- LP – Lumbar puncture
- LPL – Lipoprotein lipase
- LUL Left upper lobe
- LUQ – Left upper quadrant
- LVEDP – Left ventricular end diastolic pressure
- LVEF – Left ventricular ejection fraction
- LVF – Left ventricular failure
- LVH – Left ventricular hypertrophy
- LV – Left ventricle
- LVOT – Left Ventricular Outflow Track
- Ly – Lymphocytes
- lytes – electrolytes
M
- MAO-I – Monoamine oxidase inhibitor
- MARSA – Methicillin and aminoglycoside resistant Staphylococcus aureus
- MAS – Morgani-Adams-Stokes
- MC – Metacarpal bone
- MCP – Metacarpophalangeal joint
- MCHC – Mean cell hemoglobin concentration
- MCH – Mean cell hemoglobin
- MCV – Mean cell volume
- MDS – Myelodysplastic syndrome
- Mg – Magnesium
- MGUS – Monoclonal gammopathy of undetermined significance (unknown or uncertain may be substituted for undertermined)
- MI – Myocardial infarction
- MIC – Morbus Ischaemicus Cordis
- MIC – Minimal inhibitory concentration
- MLA – Myelosis Leucemica Acuta
- MM – Myeloma multiplex
- mod [moderate]
- MODY – Maturity onset diabetes of the young
- Mo – Monocytes
- MOM [milk of magnesia]
- – MOPP Mechlorethamine, Vincristine, Procarbazine, and – Prednisone in combination, older treatment for – Hodgkins lymphoma.
- MPV – Mean platelet volume
- MRA – Magnetic resonance angiogram or angiogrphy
- MRI – Magnetic resonance imaging
- MR – Mitral regurgitation
- MR – Modified release
- MRSA – Methicillin-resistant Staphylococcus aureus
- MSH – Melanocyte stimulating hormone
- MS – Mitral stenosis
- MS – Multiple sclerosis
- MS – Medical student MS-1, MS-2, MS-3, MS-4 respectively
- MT – Metatarsal bone
- MTP – Metatarsalphalangeal joint
- MTX – Methotrexate
- MVP – Mitral valve prolapse
- MVPS – Mitral valve prolapse syndrome
N
- Na – Sodium (in German Natrium)
- NAD No abnormality detected, the absence of abnormal – signs on – examination (generally a poor term to use as fails to specify what was specifically sought for and may later suggest that a detailed examination was Not actually done). See WDL.
- NAD – No apparent distress.
- Ne – Neutrophil granulocytes
- Neo – Neoplasm
- NGU – Non-gonococcal urethritis
- NHL – Non Hodgkin Lymphoma
- NIDDM – Non-Insulin Dependent Diabetes Mellitus
- NK – Natural killer cells
- NKA – no known allergies
- NKDA – no known drug allergies
- NMR – Nuclear magnetic resonance
- NNH – Number needed to harm
- NNT – Number needed to treat
- NO – Nitric oxide
- NOF Neck of Femur Fracture (refers to – Hip fracture)
- NOS – Nitric oxide synthase
- Npl – Neoplasm
- NPO – nil per os (nothing by mouth)
- NREM – non-Rapid Eye Movement
- n.s. not significant
- NSAID – Non-Steroidal Anti-Inflammatory Drug
- NSE – Neurospecific enolase
- NSR – normal sinus rhythm
- NSU – Non-specific urethritis
- NTG – Nitroglycerin
- N & V – nausea & vomiting
- NVD – nausea, vomiting & diarrhea
- NVD normal vaginal delivery
O
- OA – osteoarthritis
- OB-GYN – Obstetrics and gynaecology
- OCD – Obsessive-compulsive disorder
- OD right – eye (Latin oculus dexter)
- OD – overdose
- O/E on examination
- OGTT – Oral glucose tolerance test
- OP – outpatient department
- ORTA Orthopedic resident training apparatus = – Motorcycle
- OS left eye (Latin oculus sinister)
- OS – Orthopedic surgery "Twice as strong as an ox, half as smart".
- OSA Obstructive Sleep Apnea
- OSH outside hospital
- OTC – Over the counter
- OTD Out the Door (discharged)
P
- P – Pulse
- P – Parturition (total number of live births)
- P – Phosphorus
- p.c. After food, from – Latin, post cibum
- p.o. By mouth, from – Latin, per os
- PAF – Platelet activating factor
- PAF – Paroxysmal atrial fibrillation
- PAH – Pulmonary arterial hypertension
- PAI-1 – Plasminogen activator inhibitor 1
- PAO – Peak Acid Output
- PAP – Papanicolaou stain
- PA – posterior-anterior
- PA – Pulmonary artery
- Pap – Papanicolaou Test (pap smear)
- PAT – Paroxysmal atrial tachycardia
- p.c. [after meals]
- PCOS – Polycystic ovarian syndrome
- PCP – Pneumocystis jiroveci pneumonia (formerly Pneumocystis carinii)
- PCP – Primary Care Physician/Primary Care Provider
- PCR – Polymerase chain reaction
- PDA – Patent ductus arteriosus
- PDE – Phosphodiesterase
- PDT – Photodynamic Therapy
- PEEP – Positive end expiratory pressure
- PEFR – Peak expiratory flow rate
- PEF – Peak expiratory flow
- PERLA Pupils Equal and Reactive to Light and Accomodation
- PET – Positron-emission tomography
- PFO – Patent foramen ovale
- PID – Pelvic inflammatory disease Jargon-- "Pus in Dere"
- PIP – Proximal interphalangeal joint
- PIH – Pregnancy induced hypertension
- PKA – Protein kinase A
- PKU – Phenylketonuria
- PLT – platelets
- PMB – Post-menopausal bleeding (bleeding after menopause)
- PMH [past medical history] or – Perimesencephalic subarachnoid hemorrhage
- PMR – Percutaneous Myocardial Revascularisation
- PMR – Polymyalgia Rheumatica
- p.o. orally from – Latin, per os
- POX – Peroxidase
- PPH – Post partum haemorrhage
- PPP Piss Poor Protoplasm
- PPRS – Pharmaceutical Price Regulatory Scheme
- p.r. per rectum (as noun: – rectal examination
- PRA – Plasma renin activity
- p.r.n. or PRN [as often as necessary]
- PRIND – Prolonged Reversible Ischemic Neurologic Deficit
- prn as necessary (from Latin pro re nata)
- PSA – Prostatic specific antigen
- PSP – Phenylsulphtalein
- PTM Pulmonary – Tuberculosis
- PROM Premature Rupture of Membranes
- PTA – Percutaneous Transluminal Angioplasty
- PTCA – Percutaneous transluminal coronary angioplasty
- PT – Prothrombin time
- PTH – Parathyroid hormone
- PTT – Partial thromboplastin time
- PUD – peptic ulcer disease
- PUVA Psoralen UV A
- p.v. per vagina (as noun: vaginal examination with manual examination and – speculum inspection)
- PVD – peripheral vascular disease
- PVR – Pulmonary vascular resistance
- Px, px – physical examination
- Px – Prognosis
- PWP – Pulmonary Wedge Pressure
Q
- q each, every, from – Latin, quaque
- q.d. each day, from – Latin, quaque die
- q.d.s. four times each day, from – Latin, quater die sumendus
- q.i.d. four times each day, from – Latin, quater in die
- QID Queen in distress, also see BFB
- q.o.d. every other day
R
- RA – Refractory anaemia
- RA – Rheumatoid arthritis
- RAI – Radioactive Iodine
- RBBB – Right bundle branch block
- RBC – Red blood cells
- RCA – Right coronary artery
- RCT – Randomized controlled trial
- REM – Rapid eye movement
- RF – Rheumatoid factor
- RFLP – Restriction fragment length polymorphism
- RFT – Renal function test
- Rh – Rhesus factor
- RhF – Rheumatoid factor
- RIA – Radioimmune assay
- RIBA – Radioimmunoblotting assay
- RIND – Reversible ischemic neurologic deficit
- RLQ – Right lower quadrant
- RNA – Ribonucleic acid
- RNV – Radionuclear Ventriculography
- ROM – Range of motion
- RR – Respiratory rate
- ROS – Review of systems
- RUQ – Right upper quadrant
- RPR – Rapid Plasma Reagin test
- RSV – Respiratory Syncytial Virus
- RV – Residual volume
- RV – Right ventricle
- RVF – Right ventricular failure
- RVSP – Right ventricular systolic pressure
- Rx – medical prescription or – Prescription drug
S
- s (with a bar over it) without from – Middle English sans, borrowed from – Old French sans
- SAH – Subarachnoid hemorrhage
- SARS – Severe acute respiratory syndrome
- SAS Sick as Sh!t
- SBE – Subacute bacterial endocarditis
- SBP – Systolic blood pressure
- SBP – spontaneous bacterial peritonitis
- SCC – Squamous cell carciona
- SCID – Severe combined immunodeficiency
- s.c – subcutaneous from – Latin, subcutis
- SD – Standard deviation
- SGA – Small for gestational age
- SGOT – Serum Glutamic Oxaloacetic Transaminase
- SGPT – Serum Glutamic Pyruvic Transaminase
- SH – Social history (personal habits, living situation, job)
- SHBG – Sex Hormone Binding Globuline
- SI – International System of Units
- SIADH – Syndrome of inappropriate antidiuretic hormone
- SIDS – Sudden Infant Death Syndrome
- SIMV – Synchronized Intermittent Mechanical Ventilation
- SK – Streptokinase
- SLE – Systemic Lupus Erythematosus
- SM Latin Sclerosis multiplex - – Multiple sclerosis
- SMA – Sequential Multiple Analysis
- SMA-7 Serum Metabolic Assay
- SMS Senior medical student
- SNP – Sodium Nitroprusside
- SOAP Subjective, Objective, Assessment, Plan (How Doctor's notes are organized)
- SOB – Shortness of breath
- SOS – Save Our Souls, meaning "in case of emergency"
- SP – Status post
- SPET – Single photon emission tomography
- SR – Slow Release
- SROM – Spontaneous rupture of membranes
- SSRI – Selective serotonin reuptake inhibitor
- SSSS – Staphylococcal Scalded Skin Syndrome
- SSS – Sick Sinus Syndrome
- STD – Sexually transmitted disease
- STI Sexually transmitted infection
- STH – Somatotropic hormone
- Subq – Subcutaneous
- SVD Spontaneous Vaginal Delivery
- SVR – Systemic vascular resistance
- SVT – Supraventricular tachycardia
- SWW Sick, Wet, Whiney
- Sx – Symptoms
- SXA – Single energy X-ray absorptiometer
- SXR – skull x-ray
- SVI – Systemic Viral Infection
T
- T & A – tonsillectomy with – adenoidectomy
- TAH Total Abdominal – Hysterectomy
- TAH-BSO Total Abdominal – Hysterectomy with Bilateral – Salpingo-oophorectomy
- TBC – tuberculosis
- TBC Total body crunch
- TB – tuberculosis
- Td – Tetanus and Diphtheria
- TdP – Torsades de pointes
- TBI – Total body irradiation
- t.d.s. Three times a day, from – Latin, ter die sumendus
- TEE – Transesophageal echocardiogram
- TENS Transcutaneous Electrical Nerve Stimulaton
- TERN "Intern", also see TOBASH
- TFTs – Thyroid function tests
- TGA – Transposition of the great arteries
- TG – Triglycerides
- Tg – Thyroglobulin
- THR – Total hip replacement
- TIA – Transient ischemic attack
- TIBC – Total iron binding capacity
- t.i.d. Three times a day, from – Latin, ter in die
- TIPS – transjugular intrahepatic portosystemic shunt
- TKR – Total knee replacement
- TKVO to keep vein open
- TLC – Total lung capacity
- TMB "Too Many Birthdays" Very frail elderly patient
- TMS – Tension myositis syndrome
- TNF – Tumor necrosis factor
- TNM – Tumor-Nodes-Metastases
- TOBASH Take Out Back and Shoot in Head
- TOE – Transoesophageal echocardiogram
- tPA – Tissue plasminogen activator
- TPN – Total parenteral nutrition
- TS – Tricuspid regurgitation
- TRF Transfer (pronounced "turf")
- TRF'd Transfered (Pronounced "turfed", as in "We just turfed Mrs Johnson OTD")
- TRH – Thyrotropin Releasing Hormone
- TS – Tricuspid stenosis
- TSH – Thyroid Stimulating Hormone
- TT – thrombin time
- TTE – Transthoracic echocardiogram
- TTP – Thrombotic thrombocytopenic purpura
- TTS – Transdermal therapeutic system
- Tu – Tumor
- TUR – Transurethral resection
- TURP – Trans-urethral prostatectomy
- Tx – Transplant
- Tx – treatment
U
- UBT – Urea Breath Test
- U & E – urea and electrolytes (sodium and potassium) blood test, often including – creatinine
- URI – Upper Respiratory Infection
- URTI – Upper Respiratory Tract Infection
- US – Ultrasound
- USG – Ultrasonography
- USR Unheated Serum Reagin
- USS – Ultrasound scan
- UTI – Urinary Tract Infection
- UVAL – Ultraviolet Argon Laser
V
- VA – visual acuity
- VAD vincristine adriblastine dexamethasone
- VAMP vincristine adriblastine methylprednisone
- V-BAC Vaginal Birth After Caesarian
- VC – Vital capacity
- vCJD – Variant Creutzfeldt-Jakob Disease
- VD Vaginal Delivery
- VDRL – Venereal Diseases Research Laboratory (old test for syphilis}
- VE – vaginal examination (manual examination)
- VEB Ventricular – ectopic beat
- VRE – Vancomycin Resistant Enterococci
- VF – Ventricular fibrillation
- VIP – Vasoactive intestinal peptide
- VLDL – Very low density lipoprotein
- VMA – Vanillylmandelic acid
- VOD – Volume of distribution
- VPA – Valproic acid
- VSD – Ventricular septal defect
- VT – Ventricular tachycardia
W
- WAT – White adipose tissue
- WBC – White blood cells
- WDWN – Well developed, well Nourished
- WNL Within Normal Limits
- WPW ;– Wolff-Parkinson-White syndrome
- WWI Walking While Intoxicated
X
Y
YOYO "You're on your own"
Z
- ZIFT – Zygote intrafallopian transfer
Latin abbreviations
Some of the following list are considered non-standardized abbreviations because their meanings could be easily misunderstood.
| Abbrev. |
Meaning |
Latin origin |
| a.c. |
Before food |
ante cibum |
| a.d. |
Right ear |
auris dexter |
| ad. |
Freely as wanted |
ad libitum |
| a.l. |
Left ear |
aurix laevus |
| alt. die |
Every other day |
alternus die |
| alt. h. |
Every other hour |
alternus horis |
| a.m. |
Morning |
ante meridiem |
| a.n. |
Before the night |
ante noctum |
| aq. |
Water |
aqua |
| a.s. |
Left ear |
auris sinister |
| a.u. |
Each ear |
auris utro |
| aurist. |
Ear drops |
auristillae |
| b.d. |
Twice a day |
bis die |
| b.i.d. |
Twice a day |
bis in die |
| gtt. |
Drop |
gutta |
| h. |
Hour |
hora |
| h.s. |
At bedtime |
hora somni |
| i.d. |
during the day |
|
| i.d. |
the same |
idem |
| I.D. |
Infectious Disease |
|
| i.d. |
intradermal, between layers of the skin |
|
| mane |
In the morning |
mane |
| narist. |
Nasal drops |
naristillae |
| Nocte |
At night |
nocte |
| o.c. |
Eye ointment |
oculentum |
| o.d. |
Daily |
omni die |
| o.d. |
Right eye |
oculus dexter |
| o.l. |
Left eye |
oculus laevus |
| o.m. |
In the morning |
omni mane |
| o.n. |
At night |
omni nocte |
| o.s. |
Left eye |
oculus sinister |
| o.u. |
Each eye |
oculus utro |
| p.c. |
After food |
post cibum |
| p.m. |
Afternoon |
post meridiem |
| p.o. |
Orally |
per os |
| p.r. |
Rectally |
per rectum |
| p.r.n. |
As occasion requires (as needed) |
pro re nata |
| p.v. |
Vaginally |
per vaginum |
| q. |
every |
quaque |
| q.2.h. |
Every two hours |
quaque 2 hora |
| q.4.h. |
Every four hours |
quaque 4 hora |
| q.6.h. |
Every six hours |
quaque 6 hora |
| q.8.h. |
Every eight hours |
quaque 8 hora |
| q.d. |
Every day |
quaque die |
| q.d.s. |
Four times a day |
quater die sumendus |
| q.h. |
Every hour, hourly |
quaque hora |
| q.i.d. |
Four times a day |
quater in die |
| q.q.h. |
Every four hours |
quarta quaque hora |
| q.s. |
A sufficient quantity |
quantum sufficiat |
| s.i.d. |
Once a day |
semel in die |
| Sig. or S. |
Write on the label |
signa |
| SL. |
Sublingual, under the tongue |
sub linguam |
| Stat. |
Immediately, with no delay |
statim |
| t.d.s. |
Three times a day |
ter die sumendus |
| t.i.d. |
Three times a day |
ter in die |
| top. |
Topically, applied to the skin |
| ut dict. or u.d. |
As directed |
ut dictum |
| ung. |
Ointment |
unguentum |
See also
- Acronym
- List of abbreviations for medical organisations and personnel
- Medical Prefixes, Suffixes, and Combining Forms
External links
- Medical abbreviations on All Acronyms
Categories: Medical terms | Medical lists | Lists of abbreviations
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