Base definition for all elements in a resource.

Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

• value @ url

The date and time when the administration of the vaccine was recorded - typically used when the vaccine event is recorded a posteriori.

The patient that has received the vaccination.

The patient-specific order or recommendation for the vaccination, for example a prescription or a request for vaccination for a patient by a physician, for example for optional vaccines.

The professional that recorded the administration of the vaccine.

The professional that administered the medication. Use code "unknown" if not known.

The vaccine code - a type of vaccine, typically identified by the disease(s) it covers. For example MMR, HPV, Tetanus, DTPa. This should be a coded value.

The date and/or time when the vaccine administration has been administered or presumed to be administered

The details of the product that was administered

The actual product that was administered. This can be just text (not desired), or a code (e.g. 1696392 = Neisvac C Dos 0,5ml) or a reference to an actual Medication product (e.g. http://server/Medication/1696392)

In the case where the product is not known, use code "unknown"

The lot number

The expiration date of the product.

The route of administration for the vaccine. This can be free text (not desired) or a code

The status of the vaccination record entry - whether it is active, entered in error, etc.

Supporting reason for status information.

Reaction to the immunization - cfr. AllergyIntolerance

date of the reaction

reference to the observation of the reaction

The number or quantity of product(s) that was administered - e.g. 1/2 dose, etc.

Additional notes for the vaccination

The body site where the vaccination entered the body

The business identifier(s) for the vaccination entry - This is an optional attribute, used for example to track an entry throughout its lifecycle, or across vaults.

The side of the body (for sites that occur on both sides of the body)

a resource (Location) if one exists e.g. 'Location/kind-en-gezin-092375' which could be defining 'Kind en Gezin Gent Koepoortkaai'

The location where the immunization administration was performed. This can be a text (e.g. 'at the physician's office' or a code e.g. '00078' meaning 'patient's home'