Personal Health Device Implementation Guide, published by HL7 International / Health Care Devices. This guide is not an authorized publication; it is the continuous build for version 1.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/phd/ and changes regularly. See the Directory of published versions

Coincident Time Stamp: PHG best synchronized

This example shows a standard coincident time stamp where the PHG has superior time synchronization to the PHD. There is no identifier element in this Observation as Coincident Time Stamps are never duplicates and are always ‘created’.

{
	"resourceType": "Observation",
	"meta": {
		"profile": [
			"http://hl7.org/fhir/uv/phd/StructureDefinition/PhdCoincidentTimeStampObservation"
		]
	},
	"extension": [
		{
			"url": "http://hl7.org/fhir/StructureDefinition/observation-gatewayDevice",
			"valueReference": {
				"reference": "Device/phg-ecde3d4e58532d31.000000000000"		// Resource already on the server
			}
		}
	],
	"status": "final",
	"code": {
		"coding": [
			{
				"system": "urn:iso:std:iso:11073:10101",
				"code": "67975"
			}
		],
		"text": "MDC_ATTR_TIME_ABS: Absolute time"
	},
	"subject": {
		"reference": "Patient/sisansarahId.1.2.3.4.5.6.7.8.10" 	// Resource already on the server
	},
	"effectiveDateTime": "2018-11-11T19:07:36-05:00",
	"valueDateTime": "2018-11-11T19:07:35-05:00",
	"device": {
		"reference": "Device/711000FEFF5F49B0.B0495F001071" 	// Resource already on the server
	}
}