Complete List Of Medical Abbreviations

ā before
accel acceleration
A&P anterior & posterior
A.M. before noon
A/G Albumin globulin ratio
A2 Aortic Second sound
AA Acute Appendectomy
aa of each, equal parts
AAT ambulate as tolerated
AB abortion
abd abdomen
ABG arterial blood gases
Abn abnormal
ABW adjusted body weight
AC Air Contrast
A-C Acromio-clavicular
ACL Anterior Cruciate Ligament
ad lib as much as needed, as desired
ADH anti-diuretic hormone
ADL Activities of daily living
adm admission
AFB acid-fast bacilli
AFI Amnitotic fluid index
AFib atrial fibrillation
AFP alpha fetaprotein
AGA Appropriate for gestational age
agit. shake or stir
AgNo3 Silver Nitrate
AIDS Acquired Immunodeficiency Syndrome
AK above-knee
AKA above-knee amputation
AKI acute kidney injury
Alb Albuterol
alb. albumin
ALD alcoholic liver disease
ALS amyotrophic lateral sclerosis
alt. alternate, alternating
AMA Against Medical Advice
AMB ambulatory
AMI Acute Myocardial Infarction
amnio amniocentesis
amp ampule
amt. amount
AMU Acute Medical Unit
ant. anterior
ante before
AODM Adult Onset Diabetes Mellitus
approx approximately
appt appointment
Appy appendectomy
aq water
aq. dest distilled water
ARDS Adult respiratory distress syndrome
AROM Artificial rupture of membranes
ASA Aspirin
ASCVD Arteriosclerotic cardiovascular disease
ASD atrial septal defect
ASHD arteriosclerotic heart disease
ASIS anterior superior iliac spine
asst assistance
ASU Acute Surgical Unit
ATach Atrial Tachycardia
Aug Augmentation
AV atriovenous
avg average
AVN atrioventricular node
AVSS afebrile, vital signs stable
b.i.d. twice daily
B.O.M. bilateral otitis media
B1 thiamin
B2 Riboflavin
BBB Bundle Branch Block
BE barium enema
BF breast feeding
bil. bilateral
bili bilirubin
BK below-knee
BKA Below knee amputation
Bl. bleeding
BM Bowel Movement
BMI Body Mass Index
BMP Basic Metabolic Panel
BMR basal metabolic rate
BOA born out of asepsis
BOM Bilateral Otitis Media
BOW Bag of Water
BP blood pressure
BPH benign prostatic hypertrophy
BPP Biophysical Profile
BR Bathroom
brady bradycardia
BRB bright red blood
Brk Bronkosol
BRP bathroom privileges
BS blood sugar
BSA body surface area
BSC bedside commode
BSE breast self-exam
BSER brain stem evoked response
BSN Bachelor of Science, Nursing
BSO bilateral salpingo-oophorectomy
BST Breast stimulation test
BUE bilateral upper extremity
BUN blood urea nitrogen
BVM bag value mask
BVT bag value tube
Bx biopsy
C centigrade
C&S culture and sensitivity
c&v cupping & vibration
C.O. Cardiac output
C.S.M. circulation, sensation and motion
c/o complaining of
C/S Cesarean section
C/W consistent with
CA carcinoma, cancer
Ca++ Calcium
CABG coronary artery bypass graft
CAD coronary artery disease
Cal calorie
CAN cord around neck
Caps capsule
CAT Computerized Axial Tomography
cath catheterization
CBC complete blood count
CBR complete bed rest
CBS chronic brain syndrome
CCU Coronary Care Unit
CDC Center for Disease Control
CEA carcinoembryonic antigen
cm. centimeter
CHB complete heart block
CHD Congenital heart disease
CHF Congestive Heart Failure
chg change
chol cholesterol
CI coronary insufficiency
circ. circumcision
cl clear
CL chloride
Cl. Liq. clear liquids
Cl. Time clotting time
cldy cloudy
cm H20 centimeters of water pressure
CMML Chronic myelomonocytic leukemia
CMS Circulation, motion, and sensation
CNA certified nurses aide
CNS central nervous system
CO2 carbon dioxide
cocci coccidioidomycosis
comp. compound
conc. concentrated
conf conference
cong congested
cont. continued
Cont.aero Continuous Aerosol
COPD chronic obstructive pulmonary disease
CPAP continuous positive airway pressure
CPD cephalopelvic disproportion
CPK creatinine phosphokinase
CPM continuous passive motion
CPR cardiopulmonary resuscitation
CPT Chest Physiotherapy
CRAMS Circulation, Respiration, Abdomen,
Motor, Speech
CRNA Certified Registered Nurse Anesthetist
CRP C-Reactive protein
CS Central Supply
CSF cerebrospinal fluid
CSP Central Sterile Processing
CST contraction stimulation test
CT computerized tomography
CTA clear to auscultation
ctx cervical traction
Cu copper
cu. mm. cubic millimeter
CV cardiovascular
CVA cerebrovascular accident
CVC central venous catheter
CVP central venous pressure
CXR chest x-ray
CTR Carpal tunnel release
D&C dilatation and curettage
D.O.E. dyspnea on exertion
D.O.S. Day of surgery
D.R. Delivery Room
D.T. delirium tremens
D.W. distilled water
d/c-dc discontinue
D/RL dextrose and Ringer’s Lactate
D/W dextrose and water
D5LR 5 percent dextrose Lactated Ringers
D5W 5% dextrose in water
DAT diet as tolerated
DBP diastolic blood pressure
DDI dressing dry & intact
Decel decleeration
decr decrease or diminish
decub decubitus
defib defibrillation
dept department
DES Diethylstilbestrol
dev seq developmental sequences
DFA diet for age
diag diagnosis
diam diameter
DIC disseminated intravascular coagulopathy
dil. dilute or dissolve
DIP distal interphalangeal joint
disch discharge
DISH Diffuse idiopathic skeletal hyperostosis
disp dispense
div divide
DJD Degenerative Joint Disease
DKA Diabetic Ketoacidosis
DLCO Diffusion capacity of lung
DM Diabetes Mellitus
DME Durable medical equipment
DNR Do not resuscitate
DO Doctor of Osteopathy
DOA Dead on Arrival
DOB Date of Birth
DR Doctor
dr. dram
drng drainage
drsg dressing
DSD dry sterile dressing
DSE daily skills evaluation
DU duodenal ulcer
DUB dysfunctional uterine bleeding
DVT Deep Venous Thrombosis
DX Diagnosis
E. Coli Escherichia coli
e.g. for example
E.S. electrical stimulation
EBL Estimated blood loss
ECCE Extracapsular Cataract Extraction
ECG Electrocardiogram
ED Emergency Department
EDC Estimated date of confinement
EDC Estimated date of conception
EDD end diastolic diameter
EDP end diastolic pressure
EEG Electroencephalogram
EENT Ears, eyes, nose & throat
eff effective
EFM external fetal monitor
EGA estimated gestational age
EGD esophagogastroduodenoscopy
EKG Electrocardiogram
elix elixir
EMG electromyogram
Enf Enfamil
ENG electronystagmography
ENT Ears, nose & throat
EOA esophageal obturator airway
EOM extraocular muscles
EPID epidural
EPIS episiotomy
Eq Su equipment set-up
ERCP endoscopic retrograde
cholangiopancreatography
ERV expiratory reserve volume
ESD end systolic diameter
ESR Erythrocyte sedimentation rate
est. estimate
ET Endotracheal
et. and
etiol etiology
ETOH Ethyl alcohol
ETT endotracheal tube
EUA examination under anesthesia
eval evaluation
ex excision
exer. exercise
Exp. Expired
Exp. Lap Exploratory laparotomy
expl. exploratory
ext. external
F Fahrenheit
F.F. force fluids
F.F.P. fresh frozen plasma
f.o.b. foot of bed
F/U Follow-up
FACH forceps after coming head
FAS fetal alcohol syndrome
FB foreign body
FBS fasting blood sugar
FDA Food & Drug Administration
fdg feeding
fe female
Fe iron
FH family history
FHM fetal heart monitor
FHR fetal heart rate
FHT fetal heart tones
Fi02 oxygen percentage
fib fibrillation
fl. fluid
Fl. dr. fluid dram
fl. oz. fluid ounce
FM fetal movement
FMC Family Maternity Center
FP Family Practice
FPL flexor pollicus longus
FRC functional residual capacity
Freq frequency
FSE fetal scalp electrode
FSH follicle stimulating hormone
ft. foot
FTSG full-thickness skin graft
FUO fever of undetermined origin
FVC forced vital capacity
FWB full weight bearing
fx fracture
G/S glucose and saline
G/W glucose and water
GA gestational assessment
gal gallon
gastroc gastrocnemius
GB gallbladder
GBS Group B strep
GDM gestational diabetes mellitus
GERD gastro esophageal reflux disease
GGT gamma glutamyl transferase
G-Hgb glycosylated hemoglobin
GI gastrointestinal
GLU glucose
glut gluteal
gm gram
gm% grams percent
GN graduate nurse
GPN graduate practical nurse
gr grain
Grav, Gr Gravida
gt drop
gtt drops
GTT Glucose Tolerance Test
GU genitourinary
GYN gynecology
H&H Hemoglobin & Hematocrit
H&L heart and lungs
H&P history and physical
H202 hydrogen peroxide
H2O water
HA headache
HAE hearing aid evaluation
HASHD Hypertensive arteriosclerotic heart disease
HAT Hemovac Auto Transfuser
HbA glycosylated hemoglobin
HBIG Hepatitis B Immune Globulin
HBP High Blood Pressure
HbSAb Hepatitis B surface antibody
HbSAg Hepatitis B surface antigen
HC head circumference
HCG human chorionic gonadotropin
HCO3 bicarbonate
HCVD Hypertensive Cardiovascular disease
HDL high density liquid protein
HEENT head, eyes, ears, nose & throat
HELLP hemolysis, elevated liver enzymes & low
platelet syndrome
hemi half
Hep B Hepatitis B
Hep L,HL Heparin lock
HF Heparin flush
HFP High Fowler’s position
Hg mercury
Hgb hemoglobin
HHD Hypertensive heart disease
HHN hand held nebulizer
HIDA hepato-iminodiacetic acid
histo histoplasmin
HIV Human Immunodeficiency virus
HMD Hyaline Membrane Disease
HNP herniated nucleus pulposus
HOB head of bed
hp hot pack
HPI history of present illness
HPTN hypertension
HR heart rate
hr,h hour
HSP Henoch-Schönlein purpura
HSV herpes simplex viruses
HT Hubbard Tank
Ht. height
HTN Hypertension
HWP home walking program
hx history
hypo hypodermically
hyst. hysterectomy
I Iodine
I&D incision and drainage
I&O intake and output
i.e. that is
I.V. intravenous
I:E Inspiratory time to Expiratory time ration
IABP Intra-aortic Balloon Pump
IBW Ideal Body Weight
IC intracardiac
ICP intracranial pressure
ICPM intracranial pressure monitoring
ICU Intensive Care Unit
id. the same
IDDM Insulin-dependent diabetes mellitus
IDM infant of diabetic mother
IFM internal fetal monitor
IM intramuscular
IMI Inferior Myocardial Infarction
IMV Intermittent Mandatory Ventilation
inc. incontinent
incr increase
Ind induction
indep independent
inf infection
init initials
inj injection
INR International Normalization Ratio
ins insurance
insp. inspiratory
instr. instructions
int. internal
invol involuntary
IOL Intraocular lens
IOP intraocular pressure
IP inpatient
IPG Impedence Phlebograph
IPPB intermittent positive pressure breathing
IQ intelligence quotient
IRV inspiratory reserve volume
IS incentive spirometry
iso isoenzymeisol
Isol. isolation
Isup Isuprel
ITP Idiopathic thrombocytopenic purpura
IUC intrauterine catheter
IUD intrauterine device
IUGR intrauterine growth retardation
IUPC intrauterine pressure catheter
IVAC intravenous infusion pump
IVCD intraventricular conduction defect
IVP intravenous pyelogram
IVPB intravenous piggyback
IV-push intravenous push
IVU intravenous urogram
IWMI Inferior Wall Myocardial Infarction
JDM juvenile diabetes mellitus
jt. joint
JVD jugular vein distention
JVP jugular venous pulse
K,K+ potassium
K.O. keep open
KCL potassium chloride
Kg kilogram
KI potassium iodine
KJ knee jerks
KLS kidney, liver, spleen
KPM kilopound meter
KUB kidney, ureter, bladder
Kv. kilivolts
KVO keep vein open
l liter
L left
LL left lateral
l&w living and well
L.E. Lupus Erythematosis
L.M.L. left middle lobe
L/D Labor & Delivery
L/S lumbosacral
L/S ratio lecithin/sphingomyelin ratio
LA left arm
LA line left atrial line
lab laboratory
lac laceration
LAC long arm cast
LAD left anterior descending
LAE left atrial enlargement
lang language
LAP left atrial pressure
LASER light amplification by stimulated emission
of radiation
lat lateral
LAT left anterior thigh
lb. pound
LBBB left bundle branch block
LBP low blood pressure
LBW low birth weight
LCL lateral cruciate ligament
LD left deltoid
LDH lactic dehydrogenase
LDL low density liquid protein
LDR Labor Delivery Recovery
LDRP Labor Delivery Recovery Postpartum
LE lower extremity
LEEP Loop electrocautery excision procedure
LFA(RFA) left frontoanterior (right)
LFP (RFP) left frontoposterior (right)
LFT (RFT) left frontotransverse (right)
LG left gluteus
lg. large
LGA large for gestational age
liq. liquid
LKS liver, kidneys, spleen
LL Left lateral
LLC long leg cast
LLE left lower extremity
LLL left lower lobe
LLQ left lower quadrant of abdomen
LLSB lower left sternal border
LMA (RMA) left mentoanterior (right)
LML left medial lateral
LMP last menstrual period
LMT (RMT) left mentotransverse (right)
LOA Left Occiput Anterior
LOA Leave of Absence
LOC level of consciousness
LOP left occiput posterior
LOS length of stay
LOT left occiput transverse
LP lumbar puncture
lpm liters per minute
LPN Licensed Practical Nurse
LR lactated ringers
LSA(RSA) left sacrum anterior (right)
LSB left sternal border
LSO left salpingo-oophorectomy
LSP (RSP) left sacrum posterior (right)
LST(RST) left sacrum transverse (right)
Lt. L left leg
LTB laryngotracheo bronchitis
LTCS low transverse Cesarean section
LTG long term goals
LTM long term memory
LTV long term variability
LUAQ left upper abdominal quadrant
LUE left upper extremity
LUL left upper lobe
LUOQ left upper outer quadrant of gluteal area
LUQ left upper quadrant
LV left ventricle
LVE left ventricular enlargement
LVEDP left ventricle and diastolic pressure
LVET left ventricular ejection time
LVG left ventrogluteal area
LVH left ventricular hypertrophy
LVL left vastus lateralis
LVN Licensed Vocational Nurse
LVPW left ventricular posterior wall
LVSV left ventricle stroke volume
LVSW left ventricle stroke work
m meter
ma male
m.s. morphine sulphate
MAP mean airway pressure
MAS mobile arm support
max maximum
MBU Mom/Baby Unit
mcgm microgram
mcgtts microdrops
MCL medial collateral ligament
MCP metacarpal interphalangeal joint
MD Medical Doctor
MDI Metered dose inhaler
mech mechanical
med medication
MEF maximal mid-expiratory flow
mEq milliequivalent
mg milligram
Mg Magnesium
Mg/dl milligrams per deciliter
MH medical history
MI Myocardial Infarction
ml milliliter
ML midline
mm millimeter
mm1hg millimeters of mercury
mm3 millimeter cubed
MMK Marshall-Marchetti-Krantz
MMPI Minnesota Multiphasic Personality
Inventory
MMR mumps, measles, rubella
MMT manual muscle test
MMW Marshall-Marchetti-Weiss
mod moderate
MOM Milk of Magnesia
Mono mononucleosis
MP metabolic panel
mph miles per hour
MRMI Mental Retardation, Mental Illness
MS Multiple Sclerosis
mtg meeting
MTP metatarsophalangeal
mult multiples
MV mitral valve
MVA motor vehicle accident
MVP mitral valve prolapse
MVR mitral valve regurgitation
N normal
N/A not applicable
N/C no complaints
N/V nausea and vomiting
NA Nurses Aide
Na+,Na sodium
NaCl sodium chloride
NB newborn
NC nasal cannula
neg negative
Neuro Neurology
NG nasogastric
NG tube nasogastric tube
Ng/ml nanogram/milliliter
NICU Neonatal Intensive Care Unit
NIDDM non-insulin dependent diabetes mellitus
NIF negative inspiratory force
NKA no known allergies
NKDA No known drug allergies
NKMA no known medication allergies
NM nanometer
NNP Neonatal Nurse Practitioner
no. number
noc night
NP Neuropsychiatric
NPH Type of Insulin (Isophane)
NPN nonprotein nitrogen
NPO nothing by mouth
NR do not repeat
NS normal saline
NSL normal saline lock
NSAID Non-steroidal Anti-inflammatory Drug
NSR normal sinus rhythm
NST non-stress test
NSU non-specific urethritis
NSY Nursery
NTG nitroglycerine
NVD neck vein distention
NWB non weight bearing
NYD not yet diagnosed
O&P Ova & Parasites
o.c. open crib
O.D. right eye
O.S. left eye
O.U. both eyes
O2 Oxygen
OA occiput anterior
OB Obstetrics
obl oblique
OBS Organic Brain Syndrome
OC oral contraceptive
OCT oxytocin challenge test
OFC occipitofrontal circumference
OOB out of bed
OP Outpatient
OPD Outpatient Department
OPG oculoplethysmography
OR Operating Room
ORIF open reduction, internal fixation
Ortho Orthopedics
OSA Obstructed sleep apnea
OT Occupational Therapy
oz. ounce
after
P pulse
P ox chk pulse oximeter check
p ox cont. pulse oximeter continuous
P&A percussion & auscultation
p.c. after meals
P.E. physical examination
P.I. present illness
p.m. afternoon
P.R.O.M. partial range of motion
P.S.P. Phenolsulfonphthalein test
P.T. physical therapy
PA pulmonary artery
PAC premature atrial contraction
PACU Post-Anesthesia Care Unit
PACU Post Anesthesia Care Unit
Pap Papanicolaou smear
PAP pulmonary arterial pressure
PAR postanesthesia recovery
para number of births
PAT paroxysmal atrial tachycardia
Path pathology
PAWP pulmonary artery wedge pressure
PB barometric pressure
PBI protein bound iodine
PBP peak blood pressure
PC packed cells
PCA patient controlled analgesia
PCL posterior cruciate ligament
PCN penicillin
PCP Primary Care Physician
PCW pulmonary capillary wedge
PCXR portable chest x-ray
PD postural drainage
PE pulmonary embolism
Peds Pediatrics
PEEP positive and expiratory pressure
PEF positive expiratory force
(V20)
Page 9 of 11
PEFR peak expiratory flow rate
PEG percutaneous endoscopic gastrostomy
PEP Positive Expiratory Pressure
PERLA pupils equal reactive to light and
accommodation
PFC persistent fetal circulation
PFT pulmonary function test
PG phosphatidyl glycerol
pH hydrogen ion concentration
PH past history
PHR peak heart rate
PI phosphatydinnositol
PICC Peripherally-inserted central catheter
PID pelvic inflammatory disease
PIH pregnancy induced hypertension
PIP proximal interphalangeal
pit pitocin
PJC premature junctional contraction
PKU phenylketonuria
PMH past medical history
PMI point of maximum impulse
PMS premenstrual syndrome
PNA pneumonia
po by mouth
POD Post Op Day
POP persistent occipitoposterior
pos positive
PP postpartum
PPBS post-prandial blood sugar
PPD purified protein derivative
PPT partial prothrombin time
PPTL Postpartum tubal ligation
PRBC packed red blood cells
prep prepare for
PRN as necessary
Pro. Prosobee
PROM premature rupture of membranes
Pro-time prothrombin time
PS Pressure Support
PSA prostatic specific antigen
PSIS posterior superior iliac spine
psych psychology
PT prothrombin time
PTA prior to arrival
PTCA Percutaneous transluminal coronary
angioplasty
PTSD Posttraumatic stress disorder
PTT partial thromboplastin time
pud pudendal
PUD Peptic ulcer disease
pulm pulmonary
pulse AP apical pulse
Pulse R radial pulse
Pulv. powder
PUW pick up walker
PV pulmonary valve
PVC premature ventricular contraction
PVD peripheral vascular disease
PVR pulmonary vascular resistance
PWB partial weight bearing
q every
q2h every 2 hours
qh every hour
qid four times a day
QNS quantity not sufficient
QS quantity sufficient
qt. quart
quad quadriplegia
quads quadriceps
qv as much as you wish
R right
R.O.M. range of motion
R/O rule out
RA room air
RAT right anterior thigh
RBBB right bundle branch block
rbc red blood cells
RBC red blood count
RBP resting blood pressure
RCP Respiratory Care Practitioner
RD right deltoid
RDS respiratory distress syndrome
ref refused
REM rapid eye movement
reps repetitions
res residual
resp respiration
resus resuscitation
RF rheumatoid arthritis factor
RG right gluteus
Rh Rhesus blood factor
RHD rheumatic heart disease
RHR resting heart rate
RL right lateral
RLE right lower extremity
RLL right lower lobe
RLQ right lower quadrant
rm room
RML right middle lobe
RN Registered Nurse
ROA right occiput anterior
ROM rupture of membranes
ROP right occiput posterior
ROS review of systems
ROT right occiput transverse
RPh Registered Pharmacist
RPR rapid plasma reagin
Rpt repeat
RR Recovery Room
RRR regular rhythm, rate
RSA right sacral anterior
RSB right sternal border
RSO right salpingo-oophorectomy
RSR regular sinus rhythm
RSV Respiratory Syncytial Virus
RT Respiratory Therapy
Rt.L right leg
RTC return to clinic
Rx prescription
S.G. specific gravity
S/P status post
S/P O2 special Oxygen
SAA same as above
SAB spontaneous abortion
SaO2 Oxygen Saturation
SCN Special Care Nursery
SE spiral electrode
SF Semi fowlers
SGOT serum glutamic oxaloacetic transaminase
SGPT serum glutamic pyruvic transaminase
SIDS Sudden Infant Death Syndrome
Sig. let it be labeled
Sim. Similac
SIMV Synchronous Intermittent Mandatory Ventilation
SL saline lock
SLE Systemic Lupus Erythematosus
SMAC lab profile study
SN student nurse
SOB shortness of breath
Sol solution
SOP standard operating procedure
SOS one dose only
sp. gr. specific gravity
spu ind Sputum Induction
SR Sinus rhythm
SROM spontaneous rupture of membranes
s/s signs and symptoms
SSE Soapsuds enema
ST Sinus tachycardia
Staph Staphylococcus
stat at once, immediately
STD sexually transmitted disease
Stim. Stimulation
Str strong
Strep Streptococcus
STV short term variability
subq subcutaneous
supp. suppository
Surg. Surgery
SVD single vaginal delivery
SVN small volume nebulizer
syr. syrup
T temperature
T#3 Tylenol #3
T&A tonsillectomy & adenoidectomy
T&S type and screen
t.i.d. three times a day
T.O. telephone order
T.P. Total protein
tab tablet
TAB Therapeutic abortion
TAH Total Abdominal Hysterectomy
TB Tuberculosis
Tbsp tablespoon
temp temperature
Tet Tetanus
THA Total Hip Arthroplasty
TIA Transient Ischemic Attack
TIBC Total iron binding capacity
TKA Total knee arthroplasty
TKO To keep open
TMJ Temporomandibular joint
TOCO tocometer
Top topically
TORCH toxoplasmosis, other, rubella virus,
cytomegalovirus
TPN Total Parenteral nutrition
TPR temperature, pulse, respiration
tr. tincture
tsp. teaspoon
TTP Thrombotic Thrombocytopenic Purpura
TUR Transurethral resection
TURP Transurethral resection of prostate
TVH Total Vaginal Hysterectomy
TVTO tension free transvaginal tape –obturator
approach
TX treatment
U.S.P. United States Pharmacopecia
UA urinalysis
UAC umbilical artery catheter
UC Uterine Contractions
UE upper extremity
UGI upper gastrointestinal
UHF ultrabeige frequency
ung ointment
UO urine output
URI upper respiratory infection
US ultrasound
USN Ultrasonic nebulizer
UTI urinary tract infection
UV ultraviolet
UVC umbilical vein catheter
V volume
V Fib Ventricular fibrillation
V Tach Ventricular tachycardia
vag vaginal
VBAC vaginal birth after Cesarean
VC Vital capacity
VD venereal disease
VDRL Venereal disease research laboratory
VE vaginal exam
vit vitamin
VO verbal order
VS vital signs
VSS vital signs stable
Vt Tidal Volume
VTE Venous Thromboembolism
VTX Vertex
w/o without
wa while awake
Wass Wasserman
WB whole blood
wbc white blood cell
WBC White Blood Count
wc wheelchair
WDWN well-developed, well-nourished
WF white female
WM white male
WNL within normal limits
WP whirlpool
WPW Wolf-Parkinson-White
wt weight
x times
XM cross-match
XR x-ray
Y year
Yd Yard