Observation Profile¶
| Canonical | ../StructureDefinition/nexus-emr-core-observation |
|---|---|
| Status | draft · 1.26.0 |
| Base | Observation (constraint) |
| Source | FSH · JSON |
Nexus EMR profile for the Observation resource, based on CA-Core. Represents measurements, tests, and simple assertions originating from source EMRs for aggregation.
Elements / Key elements
The working view: must-support, required, modifier and sliced elements from the effective (snapshot) definition.
| Element | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Observation | 0..* | Nexus EMR Observation Core i Invariants: dom-2, dom-3, dom-4, dom-5, dom-6, obs-6, obs-7, nexus-note-extension-not-where-native |
||
| meta | 0..1 | Meta | Metadata about the resource Invariants: ele-1 |
|
| source | S | 0..1 | uri | Identifies EMR instance & pipeline version the resource came from i Invariants: ele-1 |
| implicitRules | ?! | 0..1 | uri | A set of rules under which this content was created i Invariants: ele-1 |
| text | S | 0..1 | Narrative | Narrative i Invariants: ele-1 |
| extension:preventionStatus | 0..1 | Extension(Prevention Status Extension) | Prevention/screening status (completed externally, refused, ...) i Invariants: ele-1, ext-1 |
|
| extension:reviewed | 0..1 | Extension(Reviewed) | Review acknowledgement (absent = unreviewed) i Invariants: ele-1, ext-1 |
|
| extension:preventionResultDetail | 0..1 | Extension(Prevention Result Detail Extension) | Detail accompanying a screening result (independent of value[x]) i Invariants: ele-1, ext-1 |
|
| extension:preventionInstructions | 0..1 | Extension(Prevention Instructions Extension) | Instructions given to the patient for this prevention i Invariants: ele-1, ext-1 |
|
| identifier | S | 0..* | Identifier | Business identifier(s) for observation i Invariants: ele-1 |
| use | ?! | 0..1 | code | usual | official | temp | secondary | old (If known) i Binding: identifier-use ( required)Invariants: ele-1 |
| system | 1..1 | uri | The namespace for the identifier value i Invariants: ele-1 |
|
| value | 1..1 | string | The value that is unique i Invariants: ele-1 |
|
| status | S ?! | 1..1 | code | Where the result is in its lifecycle i Binding: observation-status ( required)Invariants: ele-1 |
| category | S | 1..1 | CodeableConcept | Classification of type of observation i Binding: observation-category ( required)Invariants: ele-1 |
| code | S | 1..1 | CodeableConcept | Observation type with raw code support i Binding: observation-codes ( example)Invariants: ele-1 |
| coding:loinc | S | 0..1 | Coding | LOINC observation code i Invariants: ele-1 |
| system | 1..1 | uri | LOINC system URI i Fixed: http://loinc.orgInvariants: ele-1 |
|
| code | 1..1 | code | LOINC code Invariants: ele-1 |
|
| text | S | 1..1 | string | Human-readable observation type (required) i Invariants: ele-1 |
| subject | S | 1..1 | Reference(Patient Profile) | Who and/or what the observation is about i Invariants: ele-1 |
| encounter | S | 0..1 | Reference(Encounter Profile) | Healthcare event during which observation was made i Invariants: ele-1 |
| effective[x] | S | 1..1 | dateTime, Period | Clinically relevant time/time-period for observation i Invariants: ele-1 |
| performer | S | 0..* | Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) | Who performed the observation; repeat for an outside performer i Invariants: ele-1 |
| value[x] | S | 0..1 | Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period | Actual observation result i Invariants: ele-1 |
| interpretation | S | 0..* | CodeableConcept | High, low, normal, etc. i Binding: observation-interpretation ( extensible)Invariants: ele-1 |
| note | S | 0..* | Annotation | Clinical comments on the observation -- one whole comment per repeat i Invariants: ele-1 |
| referenceRange | S | 0..* | BackboneElement | Reference range for observation i Invariants: ele-1, obs-3 |
| low | S | 0..1 | Quantity(SimpleQuantity) | Low Range, if relevant Invariants: ele-1 |
| high | S | 0..1 | Quantity(SimpleQuantity) | High Range, if relevant Invariants: ele-1 |
| text | S | 0..1 | string | Text based reference range in an observation Invariants: ele-1 |
| component | S | 0..* | BackboneElement | Component observations i Invariants: ele-1 |
| code | S | 1..1 | CodeableConcept | Type of component observation i Binding: observation-codes ( example)Invariants: ele-1 |
| value[x] | S | 0..1 | Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period | Component observation result i Invariants: ele-1 |