Pediatric & Neonatal Abbreviations

51 abbreviations · part of Medical Abbreviations

Abbreviations from newborn and NICU care, infant sleep safety, newborn screening, growth and development, common childhood illnesses, child protection and the childhood immunization schedule. They appear in delivery room records, NICU progress notes, well-child visit templates and vaccine records. Vaccine abbreviations follow the CDC's standardized list, in which capitalization carries meaning: DTaP for young children contains full-strength diphtheria and pertussis components, while the adolescent Tdap contains reduced amounts.

AbbreviationStands forDescription
AGEAcute gastroenteritisSudden inflammation of the stomach and intestines, usually viral (norovirus or rotavirus), causing vomiting, diarrhea and sometimes fever.
AHTAbusive head traumaInflicted injury to the skull or brain of an infant or young child by shaking, impact or both, often causing subdural hemorrhage, retinal hemorrhages and brain injury.
ALTEApparent life-threatening eventOlder term, defined at a 1986 NIH consensus conference, for an episode frightening to an observer involving some combination of apnea, color change, limpness, choking…
APGARAppearance, Pulse, Grimace, Activity, Respiration (Apgar score)Quick assessment of a newborn's condition at 1 and 5 minutes after birth, scoring skin color, heart rate, reflex irritability, muscle tone and breathing from 0 to 2…
BRUEBrief resolved unexplained eventEvent in an infant under one year, lasting less than a minute and now resolved, involving one or more of: color change to blue or pale, absent or irregular breathing…
CCHDCritical congenital heart diseaseHeart defects that require surgery or catheter intervention in the first year of life, such as hypoplastic left heart syndrome and transposition of the great arteries.
DDDevelopmental delaySignificant lag in reaching milestones in one or more areas: gross motor, fine motor, speech and language, social-emotional or cognitive skills.
DOLDay of lifeNumber used in NICU and newborn notes to track an infant's age in days, guiding feeding advances, lab timing, medication dosing and screening schedules.
DTaPDiphtheria, tetanus and acellular pertussis vaccineCombination vaccine given to children under seven in five doses, at 2, 4 and 6 months, 15–18 months and 4–6 years, protecting against diphtheria, tetanus and whooping…
EIEarly interventionPublicly funded services for infants and toddlers from birth to age three with developmental delays or disabilities, including speech, physical and occupational therapy…
ELBWExtremely low birth weightBirth weight under 1,000 g (about 2 lb 3 oz), usually in babies born before about 28 weeks.
FASDFetal alcohol spectrum disordersRange of lifelong conditions caused by alcohol exposure before birth, including fetal alcohol syndrome, with distinctive facial features, growth deficiency and brain…
FTTFailure to thriveInadequate weight gain or growth in an infant or young child, typically defined as weight below the 2nd percentile or a fall across two major percentile lines.
GDDGlobal developmental delaySignificant delay in two or more developmental domains in a child under five, used when the child is too young for reliable intelligence testing.
GERGastroesophageal reflux (infant)Passage of stomach contents into the esophagus, common and normal in healthy infants, causing frequent spitting up that peaks around four months and usually resolves by…
HepAHepatitis A vaccineInactivated vaccine given as two doses six months apart, starting between 12 and 23 months, protecting against hepatitis A, a liver infection spread through…
HepBHepatitis B vaccineVaccine that prevents hepatitis B infection, given in a series beginning at birth.
HFMDHand, foot and mouth diseaseCommon contagious viral illness of children under five, usually caused by coxsackievirus A16 or enterovirus 71, with fever, painful mouth sores and a rash on the palms…
HibHaemophilus influenzae type b (vaccine)Bacterium that, before routine vaccination, was the leading cause of bacterial meningitis in US children under five, also causing epiglottitis and pneumonia.
HSPHenoch-Schönlein purpuraThe most common vasculitis of childhood, caused by IgA deposits in small blood vessels, producing raised purple spots (palpable purpura) on the legs and buttocks, joint…
IPVInactivated poliovirus vaccineInjected polio vaccine containing killed poliovirus, given in four doses at 2 months, 4 months, 6–18 months and 4–6 years.
KDKawasaki diseaseAcute vasculitis of young children, mostly under five, presenting with five or more days of fever plus features such as red eyes, cracked lips and strawberry tongue…
LBWLow birth weightBirth weight under 2,500 g (about 5 lb 8 oz), regardless of gestational age, as defined by the WHO.
MASMeconium aspiration syndromeBreathing problem in newborns, usually at term or after, who inhale meconium-stained amniotic fluid before or during birth, causing airway blockage, inflammation and…
MenACWYMeningococcal conjugate vaccine (serogroups A, C, W and Y)Vaccine protecting against four groups of Neisseria meningitidis bacteria, which cause meningitis and bloodstream infection.
MenBMeningococcal serogroup B vaccineVaccine protecting against serogroup B meningococcal disease, a cause of outbreaks on college campuses.
MIS-CMultisystem inflammatory syndrome in childrenSerious inflammatory condition that develops in some children two to six weeks after SARS-CoV-2 infection, with fever, abdominal pain, rash, red eyes and involvement of…
MMRMeasles, mumps and rubella vaccineLive combination vaccine given in two doses, at 12–15 months and 4–6 years, that is about 97 percent effective against measles after both doses.
MMRVMeasles, mumps, rubella and varicella vaccineLive combination vaccine adding chickenpox protection to MMR in a single shot, licensed in the US in 2005.
MSUDMaple syrup urine diseaseInherited disorder in which the body cannot break down the branched-chain amino acids leucine, isoleucine and valine, leading to toxic buildup, poor feeding, lethargy…
NASNeonatal abstinence syndromeWithdrawal syndrome in newborns exposed in the womb to opioids and sometimes other substances, causing irritability, high-pitched crying, tremors, poor feeding, sleep…
NBSNewborn screeningPublic health program that tests babies shortly after birth, usually 24–48 hours, for serious treatable conditions using a heel-prick blood spot, plus hearing and pulse…
NECNecrotizing enterocolitisSerious intestinal disease of mainly premature infants in which portions of the bowel become inflamed and die, causing feeding intolerance, abdominal distension, bloody…
NOWSNeonatal opioid withdrawal syndromeTerm for withdrawal in newborns specifically after prenatal opioid exposure, a subset of neonatal abstinence syndrome.
OFCOccipitofrontal circumferenceMeasurement of head size around the widest part of the skull, from the forehead to the back of the head, plotted on growth charts at every well-child visit through…
PCVPneumococcal conjugate vaccineVaccine against Streptococcus pneumoniae given to infants at 2, 4 and 6 months with a booster at 12–15 months, and to older adults.
PKUPhenylketonuriaInherited metabolic disorder in which the body cannot break down the amino acid phenylalanine, which builds up and damages the brain.
PPHNPersistent pulmonary hypertension of the newbornFailure of the lung blood vessels to relax normally after birth, so blood continues to bypass the lungs and the baby remains severely low on oxygen.
PVLPeriventricular leukomalaciaInjury and softening of the white matter around the brain's ventricles, mainly in premature infants, caused by reduced blood flow and inflammation.
ROPRetinopathy of prematurityAbnormal growth of blood vessels in the developing retina of premature infants that can lead to retinal detachment and blindness if severe.
RVRotavirus vaccineOral vaccine that protects infants against rotavirus, once the leading cause of severe diarrhea and dehydration in young children.
SBSShaken baby syndromeOlder term for brain injury inflicted by violently shaking an infant, causing bleeding around the brain and in the retinas.
SIDSSudden infant death syndromeSudden, unexplained death of an infant under one year old, usually during sleep, that remains unexplained after a full investigation including autopsy, death scene…
SUIDSudden unexpected infant deathUmbrella term for any sudden, unexpected death of an infant under one year, explained or unexplained, including SIDS, accidental suffocation and strangulation in bed…
T21Trisomy 21Chromosomal condition caused by an extra copy of chromosome 21, also called Down syndrome, featuring intellectual disability, characteristic facial features and higher…
TcBTranscutaneous bilirubinNoninvasive estimate of a newborn's bilirubin level obtained by shining light on the skin with a handheld meter, used to screen for jaundice before discharge.
TTNTransient tachypnea of the newbornMild, temporary breathing difficulty in the first hours after birth caused by slow clearance of fetal lung fluid, producing rapid breathing that usually resolves within…
VARVaricella vaccineLive vaccine that prevents chickenpox, given in two doses at 12–15 months and 4–6 years, and to adolescents and adults without immunity.
VFCVaccines for Children programUS federal program that provides vaccines at no cost to children 18 and younger who are Medicaid-eligible, uninsured, underinsured or American Indian or Alaska Native.
VLBWVery low birth weightBirth weight under 1,500 g (about 3 lb 5 oz), affecting about 1 percent of US births but accounting for a large share of infant deaths.
WCCWell-child checkRoutine preventive visit for infants, children and adolescents covering growth, development, physical exam, vaccinations, screening tests and anticipatory guidance.

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