FHIR Period Data Type (R5)
Period is a time range with an optional start and end. Element table, example JSON and FHIRPath for FHIR R5.
Overview
Period is a time range with an optional start and end. A missing end means the period is ongoing; a missing start means the start is unknown.
Elements
| Element | Type | Cardinality | Description |
|---|---|---|---|
| Period.start | dateTime | 0..1 | Starting time with inclusive boundary |
| Period.end | dateTime | 0..1 | End time with inclusive boundary, if not ongoing |
Example JSON (R5)
{
"start": "2024-05-01T09:00:00Z",
"end": "2024-05-01T09:45:00Z"
}
FHIRPath
Encounter.period.start— Start of an R4 Encounter
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