More information about the extensions can be found using the links below.
| Extension | Context | Link | Comment |
|---|---|---|---|
| contactPreference | RelatedPerson | Extension UKCore-ContactPreference | The preferred method of contact, contact times and written communication format given by a Patient or Related Person. |
| copyCorrespondenceIndicator | RelatedPerson | Extension UKCore-CopyCorrespondenceIndicator | Indicates that a Patient contact or RelatedPerson must be copied in to Patient correspondence. |
| otherContactSystem | RelatedPerson.telecom.system | Extension UKCore-OtherContactSystem | Information about other contact methods which could be used in addition to those listed in ContactPoint.system. |