The following resources may be in this compartment:
| Resource | Inclusion Criteria |
| ChargeItem | context |
| Claim | encounter |
| ClinicalImpression | context |
| Communication | context |
| CommunicationRequest | context |
| Composition | encounter |
| Condition | context |
| DeviceRequest | encounter |
| DiagnosticReport | encounter |
| DocumentReference | encounter |
| Encounter | {def} |
| ExplanationOfBenefit | encounter |
| MedicationAdministration | context |
| MedicationRequest | context |
| NutritionOrder | encounter |
| Observation | encounter |
| Procedure | encounter |
| ProcedureRequest | context |
| QuestionnaireResponse | context |
| RequestGroup | encounter |
| VisionPrescription | encounter |
A resource is in this compartment if the nominated search parameter (or chain) refers to the patient resource that defines the compartment.
The following resources are never in this compartment: