| Code | Display | Definition |
| patient | Patient | Patient in context at launch time (FHIR Patient resource). There can be at most 1 resource passed in for this context. |
| encounter | Encounter | Encounter context at launch time (FHIR Encounter resource). There can be at most 1 resource passed in for this context. |
| location | Location | Location context at launch time (FHIR Location resource). There can be at most 1 resource passed in for this context. |
| user | User | User in context at launch time (FHIR Device, PractitionerRole, Practitioner, RelatedPerson, Organization or Patient resource). There can be at most 1 resource passed in for this context. |
| study | ResearchStudy | ResearchStudy in context at launch time (FHIR ResearchStudy resource). There can be at most 1 resource passed in for this context. |
| clinical | Clinical | Indicates the current clinical resource being manipulated or reviewed by the user launching the Questionnaire. Common uses included 'current diagnostic report', 'current diagnostic image', 'current order', etc. In a situation where multiple clinical resources are being reviewed simultaneously, there could be multiple resources passed in as context. (i.e. the 'clinical' variable set in the FHIRPath engine will be a collection.) |