AAP—American Academy of Pediatrics
ABG—arterial blood gas
ABO—blood types
ABR—auditory brainstem response
AC—air conduction
ACE—angiotensin converting enzyme
AD—atopic dermatitis
ADD—attention deficit disorder
ADH—antidiuretic hormone
ADHD—attention deficit hyperactivity disorder
ADL—activity of daily living
AFP—alpha fetal protein
ANA—antinuclear antibody
AOM—acute otitis media
AOME—acute otitis media with effusion
ASO—antistreptolysin enzyme
AVN—avascular necrosis
BAER—brainstem auditory-evoked response
BC—bone conduction
bid—twice daily
BM—bowel movement
BMI—body mass index
BP—blood pressure
BPM—beats per minute
BUN—blood urea nitrogen
CBC—complete blood count
CBT—cognitive behavioral therapy
CDC—Centers for Disease Control and Prevention
CF—cystic fibrosis
CHF—congestive heart failure
cm—centimeter
CMV—cytomegalovirus
CNS—central nervous system
CP—cerebral palsy
C/S—culture/sensitivity
CSF—cerebrospinal fluid
CT—computed tomography (X-ray exam)
CVA—costal-vertebral angle
CXR—chest X-ray
DDAVP—synthetic vasopressin (posterior pituitary hormone)
DDH—developmental dysplasia of the hip
DRSP—drug-resistant Streptococcus pneumoniae
DTaP—diphtheria-tetanus-acellular pertussis (vaccine)
DTP—diphtheria-tetanus-pertussis (vaccine)
EBV—Epstein-Barr virus
EC—emergency contraception
ECG—electrocardiogram (aka EKG)
ED—emergency department
EDC—estimated date of confinement
EEG—electroencephalogram
EENT—eye, ear, nose, throat
ENS—enteral nutritional support
ENT—ear, nose, throat
EOAE—evoked otoacoustic emissions
ESR—erythrocyte sedimentation rate
ETD—eustachian tube dysfunction
ETOH—alcohol
FEV—forced expiratory volume
g—gram
GABHS—Group A beta-hemolytic streptococcus
GD—gestational diabetes
GER—gastroesophageal reflux
GI—gastrointestinal
GU—genitourinary
h—hour
H. flu—Haemophilus influenzaeb (bacteria)
HAB—hepatitis A virus
HBsAg—hepatitis B surface antigen
HBV—hepatitis B virus
HCG—human chorionic gonadotropin
Hct—hematocrit
HCV—hepatitis C virus
HDL—high-density lipoprotein
HEENT—head, eyes, ear, nose, throat
Hep—hepatitis
Hep B—hepatitis B vaccine
Hgb—hemoglobin
Hib—Haemophilus influenzae b (vaccine)
HIV—human immunodeficiency virus
HPV—human papillomavirus
HR—heart rate
HS—at bedtime
HSV—herpes simplex virus
IBD—inflammatory bowel disease
IBS—irritable bowel syndrome
ICP—intracranial pressure
Ig—immunoglobulin
IgC—immunoglobulin C
IgE—immunoglobulin E
IgM—immunoglobulin M
IM—intramuscular
I&O—intake and output
IPV—inactivated poliovirus vaccine
IV—intravenous
JRA—juvenile rheumatoid arthritis
kcal—kilocalorie
kg—kilogram
KOH—potassium chloride
KUB—kidneys, ureters bladder (X-ray examination)
lbs—pounds
LDLs—low-density lipoproteins
LES—lower esophageal sphincter
LFT(s)—liver function test(s)
LMP—last menstrual period
LOC—level of consciousness
LP—lumbar puncture
LRI—lower respiratory infection
LTB—laryngotracheobronchitis
LTBP—laryngotracheobronchopneumonia
MAO(I)—monoamine oxidase (inhibitor)
MCV—mean corpuscular volume
mg—milligram
min—minute
mL—milliliter
mm—millimeter
MMR—measles-mumps-rubella (vaccine)
MMWR—Morbidity and Mortality Weekly Report (www.cdc.gov)
mo(s)—month(s)
MRI—magnetic resonance imaging (X-ray examination)
NCHS—National Center for Health Statistics
NPO—nothing by mouth
NSAID—nonsteroidal anti-inflammatory drug
N/V—nausea and vomiting
OD—right eye
OFC—occipital frontal circumference
OM—otitis media
O&P—ova and parasites
OS—left eye
OTC—over the counter
OU—both eyes
Pap—Papanicolaou
PCOS—polycystic ovary syndrome
PCV—Prevnar or pneumococcal vaccine
PID—pelvic inflammatory disease
PIH—pregnancy-induced hypertension
PMNs—polymorphonucleotides
PnC—pneumococcal conjugate
PO—by mouth
Postop—postoperative
PPD—purified protein derivative
PPI—proton pump inhibitors
Preop—preoperative
PRN—as required
PS—pyloric stenosis
PT—prothrombin time
PTT—partial thromboplastin time
PUD—peptic ulcer disease
q—every
qd—every day
qh—every hour
q2h—every 2 hours
q3h—every 3hours
q4h—every 4 hours
q6h—every 6 hours
q12h—every 12 hours
qid—four times daily
RAP—recurrent abdominal pain syndrome
RBC—red blood cell
Rh—blood group on surface of erythrocytes
R/O—rule out
ROM—range of motion
RSV—respiratory syncytial virus
SBE—subacute bacterial endocarditis
SD—standard deviation
SGOT—serum glutamic-oxaloacetic transaminase
SGPT—serum glutamic-pyruvic transaminase
SIADH—syndrome of inappropriate antidiuretic hormone
SIDS—sudden infant death syndrome
SMR—sexual maturity rating
SSRI—selective serotonin reuptake inhibitor
STI—sexually transmitted infection (aka STD - sexual transmitted disease)
TB—tuberculosis
TBSA—total body surface area
Tbsp—tablespoon
Td—tetanus toxoid
TD—tetanus and diphtheria vaccine
Temp—temperature
TIBC—total iron-binding capacity
tid—three times daily
TM—tympanic membrane
TMJ—temporomandibular joint dysfunction
TMP-SMX—trimethoprim-sulfamethoxazole
TSH—thyroid-simulating hormone
tsp—teaspoon
UA—urinalysis
UCG—urine chorionic gonadotropin (pregnancy test)
URI—upper respiratory infection
UTI—urinary tract infection
VBAC—vaginal birth after cesarean
VCUG—voiding cystourethrogram
WBC—white blood count
wk(s)—week(s)
WNL—within normal limits
wt—weight
yr(s)—year(s)
>—greater than
<—less than
≥—greater than or equal to
≤—less than or equal to