| identifier | No | Identifier[] | Business Identifier for SupplyRequest |
| status | No | code | draft / active / suspended + |
| category | No | CodeableConcept | The kind of supply (central, non-stock, etc.) |
| priority | No | code | routine / urgent / asap / stat |
| item[x] | Yes | CodeableConcept, Reference<Medication / Substance / Device> | Medication, Substance, or Device requested to be supplied |
| quantity | Yes | Quantity | The requested amount of the item indicated |
| parameter | No | SupplyRequestParameter | Ordered item details |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - code | No | CodeableConcept | Item detail |
| - value[x] | No | CodeableConcept, Quantity, Range, boolean | Value of detail |
| occurrence[x] | No | dateTime, Period, Timing | When the request should be fulfilled |
| authoredOn | No | dateTime | When the request was made |
| requester | No | Reference<Practitioner / PractitionerRole / Organization / Patient / RelatedPerson / Device> | Individual making the request |
| supplier | No | Reference<Organization / HealthcareService>[] | Who is intended to fulfill the request |
| reasonCode | No | CodeableConcept[] | The reason why the supply item was requested |
| reasonReference | No | Reference<Condition / Observation / DiagnosticReport / DocumentReference>[] | The reason why the supply item was requested |
| deliverFrom | No | Reference<Organization / Location> | The origin of the supply |
| deliverTo | No | Reference<Organization / Location / Patient> | The destination of the supply |
