How to Read Your Child's Shot Record Card

What Do the Abbreviations on a Shot Record Mean?

These are the codes you are most likely to see on a U.S. childhood immunization record 1Ref 1Issa AN, Wodi AP, Moser CA, Cineas S (2025).Advisory Committee on Immunization Practices Recommended Immunization Schedule for Children and Adolescents Aged 18 Years or Younger — United States, 2025.Source of vaccine abbreviations and the recommended childhood immunization schedule, age ranges for each dose, and catch-up guidance:

| Abbreviation | Full name | Protects against | |---|---|---| | DTaP | Diphtheria, Tetanus, acellular Pertussis | Diphtheria, tetanus, whooping cough | | Tdap | Tetanus, Diphtheria, Pertussis (lower-dose booster) | Same as DTaP — given to older children and teens | | IPV | Inactivated Poliovirus Vaccine | Polio | | MMR | Measles, Mumps, Rubella | Three viral infections | | MMRV | Measles, Mumps, Rubella, Varicella | MMR plus chickenpox | | Varicella (Var) | Varicella-zoster vaccine | Chickenpox | | Hib | Haemophilus influenzae type b | Bacterial meningitis and pneumonia | | HepA | Hepatitis A vaccine | Hepatitis A | | HepB | Hepatitis B vaccine | Hepatitis B | | PCV / PCV15 / PCV20 | Pneumococcal Conjugate Vaccine | Bacterial pneumonia, meningitis, ear infections | | RV / Rota | Rotavirus vaccine | Rotavirus diarrheal illness | | MenACWY / MCV4 | Meningococcal conjugate vaccine | Four strains of bacterial meningitis | | MenB | Meningococcal B vaccine | Meningococcal B strain | | Flu / IIV / LAIV | Influenza vaccine (IIV = inactivated; LAIV = live nasal spray) | Seasonal flu | | HPV | Human Papillomavirus vaccine | HPV strains linked to cervical and other cancers | | COVID-19 | Various brands | COVID-19 disease |

If you see a brand name (Pediarix, Vaxelis, ProQuad) instead of an abbreviation, the administering clinic used a combination product that covers more than one disease at once.

What Do the Columns on the Card Mean?

Most shot record cards have the same basic structure 2Ref 2Centers for Disease Control and Prevention (2024).Vaccination Records.Required columns on vaccine records: vaccine name, date given, lot number, manufacturer, administering provider — the same elements that appear on a shot record card:

• Vaccine name or abbreviation — what was given.
• Date given — the calendar date of each dose. Multiple entries for the same vaccine are expected; many vaccines require a series of two to four doses given weeks or months apart.
• Dose number — some cards note #1, #2, #3; others just list dates in sequence.
• Lot number — a batch tracking code useful for recalls, but not something you need to interpret.
• Site — where the injection was given. Common abbreviations: LT (left thigh), RT (right thigh), LA (left arm), RA (right arm).
• Provider or clinic — who administered the vaccine.

If a date is recorded, that dose was given. If a row is blank, it has not been done yet.

Is My Child On Schedule?

The ACIP publishes a recommended childhood immunization schedule each year that lists the age range for every dose 1Ref 1Issa AN, Wodi AP, Moser CA, Cineas S (2025).Advisory Committee on Immunization Practices Recommended Immunization Schedule for Children and Adolescents Aged 18 Years or Younger — United States, 2025.Source of vaccine abbreviations and the recommended childhood immunization schedule, age ranges for each dose, and catch-up guidance. Your child's pediatrician follows this schedule, and the card reflects where your child stands in it.

A few things to know:

• Recommended ranges, not strict deadlines. A dose recorded a few months past the recommended window is usually still counted as protective, though the clinician may adjust future timing.
• Catch-up schedules exist. If doses were missed, there are defined pathways to get back on track — this is common and manageable.
• School requirements differ from the CDC schedule. States set their own entry requirements. Your state health department website lists exactly which vaccines and doses are required for kindergarten, middle school, and high school entry.

If you are unsure whether your child is current, bring the card to the next well-child visit. The clinician or nurse will compare it against the current schedule and tell you what, if anything, is outstanding.

How to Keep Immunization Records Accessible

• Store the original card in a secure place — the same location as your child's birth certificate works well.
• Make a photocopy or take a clear photo and save it digitally.
• Ask your pediatrician about your state immunization registry (also called an Immunization Information System, or IIS). Most states maintain electronic records, so a lost or destroyed card is not a crisis 3Ref 3Centers for Disease Control and Prevention (2024).Contacts for IIS Immunization Records.State IIS systems maintain electronic immunization records that can substitute for a lost paper card; state-by-state contact directory for parents. The CDC's IIS contact directory at cdc.gov/iis/contacts-locate-records can help you find your state's request process.
• Schools and daycares often accept a printed registry record in place of the original card.

If records are incomplete or cannot be found, a blood test called a titer test can confirm whether protective immunity is already present for specific vaccines, which can avoid the need to repeat doses unnecessarily.

When International Vaccination Records or Special Schedules May Apply

Vaccine names, abbreviations, and schedules differ by country. A dose given abroad may use a different brand name or abbreviation than what appears on U.S. cards. A clinician familiar with international schedules can assess equivalency.

Some children also receive modified schedules due to prematurity, immune conditions, or other health factors. Notes about this may appear on the card or in the pediatrician's chart.