Core information standard: CORE INFORMATION STANDARD IMPLEMENTATION GUIDANCE
3.15 Vaccinations
This section includes all vaccinations including routine vaccinations of children in accordance with the Public Health England Green Book, as well as any vaccines outside the schedule and those administered abroad.
Information about vaccines should be shared in line with nationally agreed naming and utilisation conventions.
The vaccine manufacturer should be derived from GS1 code.
Sequence number for a vaccination which is given in several separate doses should be shared using SNOMED CT.
If applicable, when sharing Indication for vaccinations given as part of the Green Book either free text or SNOMED CT can be used. Example SNOMED CT is 171279008| Immunisation due (finding).
This section allows for retrospective vaccinations as reported by the person or their guardian or carer, including those given abroad, with a flag to indicate if this is the case.
Vaccinations performed by a third party should include a date or partial date of when the vaccine was administered as well as location (which could include other countries). The attributes of performing professional would allow the organisation that administered the vaccine to be shared, if known. In addition, the ‘Reported’ flag should be set to ‘Yes’ to indicate that the information was reported to the professional by the person.
Page last updated: 06 January 2026