| Attributes |
| Signature | Optionality | Multiplicity | Constant | Documentation |
 is_modifiable : Boolean | 1 | -- | | True if this EHR is allowed to be written to. |
| is_queryable : Boolean | 1 | -- | | True if this EHR should be included in population queries, i.e. if this EHR is considered active in the population. |
| other_details : ITEM_STRUCTURE | 0..1 | -- | | Any other details of the EHR summary object, in the form of an archetyped Item_structure. |
| subject : PARTY_SELF | 1 | -- | | The subject of this EHR. The external_ref attribute can be used to contain a direct reference to the subject in a demographic or identity service. Alternatively, the association between patients and their records may be done elsewhere for security reasons. |