This page is part of the Personal Health Device FHIR IG (v0.1.0: STU 1 Draft) based on FHIR R3. The current version which supercedes this version is 1.0.0. For a full list of available versions, see the Directory of published versions
The following JSON example is the Coincident Time Stamp Observation associated with a Blood Pressure measurement.
{ "resourceType":"Observation", "meta":{ "profile": [ "http: //pchalliance.org/phdfhir/StructureDefinition/PhdCoincidentTimeStampObservation" ] }, "status":"final", "code":{ "coding": [ { "system":"urn:iso:std:iso:11073:10101", "code":"67975", "display":"MDC_ATTR_TIME_ABS" } ] }, "subject":{ "reference":"Patient/PatientId-sisansarahId" }, "effectiveDateTime":"2017-12-12T09:13:39-05:00", // If the effectiveDateTime is absent, it means that the PHD has superior // time synchronization than the PHG. All reported times stamps are then taken directly from // the PHD and reported in the metric Observations unmodified. To date there are no PHDs that // have external synchronization "valueDateTime":"2017-12-12T09:13:39-05:00", // If the value[x] element is absent, it means that the PHD has experienced // a time fault or is non-compliant by reporting a time stamp but no current time. All reported // times stamps are then taken directly from the PHD and reported in the metric Observations // unmodified. However, the time stamps are not reliable. // A consumer of this resource can restore the original time reported by the PHD // by taking (effectiveDateTime - valueDateTime) and subtracting it from the time stamp reported in // times stamps are then taken directly from the PHD and reported in the metric Observations // the metric Observation. If there is a valueQuantity element for the PHD time, the PHD uses // a relative time stamp. One can use a similar approach to find the relative time sent by the PHD // but the value is already reported in a component element of the metric Observation "device":{ "reference":"DeviceComponent/SysId-01040302f0000000" } }