Describes the event of a patient being administered a vaccination or a record of a vaccination as reported by a patient, a clinician or another party and may include vaccine reaction information and what vaccination protocol was followed.

A unique identifier assigned to this immunization record.

Indicates the current status of the vaccination event.

Will generally be set to show that the immunization has been completed.

This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.

Indicates if the vaccination was or was not given.

This element is labeled as a modifier because it indicates that an immunization didn't happen.

Vaccine that was administered or was to be administered.

The patient who either received or did not receive the immunization.

The visit or admission or other contact between patient and health care provider the immunization was performed as part of.

Date vaccine administered or was to be administered.

When immunizations are given a specific date and time should always be known. When immunizations are patient reported, a specific date might not be known.  Although partial dates are allowed, an adult patient might not be able to recall the year a childhood immunization was given.

An indication that the content of the record is based on information from the person who administered the vaccine. This reflects the context under which the data was originally recorded.

Reflects the “reliability” of the content.

The source of the data when the report of the immunization event is not based on information from the person who administered the vaccine.

Should not be populated if primarySource = True, will not be required even if primarySource = False.

The service delivery location where the vaccine administration occurred.

Name of vaccine manufacturer.

Lot number of the vaccine product.

Date vaccine batch expires.

Body site where vaccine was administered.

The path by which the vaccine product is taken into the body.

The quantity of vaccine product that was administered.

Indicates who or what performed the event.

Describes the type of performance (e.g. ordering provider, administering provider, etc.).

The device, practitioner, etc. who performed the action.

Extra information about the immunization that is not conveyed by the other attributes.

Reasons why a vaccine was or was not administered.

Reasons why a vaccine was administered.

Reason why a vaccine was not administered.

Categorical data indicating that an adverse event is associated in time to an immunization.

A reaction may be an indication of an allergy or intolerance and, if this is determined to be the case, it should be recorded as a new AllergyIntolerance resource instance as most systems will not query against past Immunization.reaction elements.

Date of reaction to the immunization.

Details of the reaction.

Self-reported indicator.

Contains information about the protocol(s) under which the vaccine was administered.

Nominal position in a series.

Contains the description about the protocol under which the vaccine was administered.

Indicates the authority who published the protocol. E.g. ACIP.

One possible path to achieve presumed immunity against a disease - within the context of an authority.

The recommended number of doses to achieve immunity.

The targeted disease.

Indicates if the immunization event should "count" against the protocol.

May need to differentiate between status declarations by a provider vs. a CDS engine.

Provides an explanation as to why an immunization event should or should not count against the protocol.