Summary

Mandatory: 5 elements
Must-Support: 12 elements
Prohibited: 4 elements

<!-- Device Metric Observation Profile -->

<Observation xmlns="http://hl7.org/fhir"
>
  <!-- from Element: extension -->
 <id><!-- 0..1 string Logical id of this artifact --></id>
 <meta><!--  0..1 Meta Metadata about the resource --></meta>
 <implicitRules value="[uri]"/><!--  0..1 A set of rules under which this content was created -->
 <language value="[code]"/><!--  0..1 Language of the resource content   -->
 <text><!--  0..1 Narrative 
     Text summary of the resource, for human interpretation --></text>
 <contained><!-- 0..* Resource Contained, inline Resources --></contained>
 <modifierExtension><!--  0..* Extension  Extensions that cannot be ignored  --></modifierExtension>
 <identifier><!--  0..* Identifier 
     Business Identifier for observation --></identifier>
 <basedOn><!--  0..* Reference(CarePlan) Fulfills plan, proposal or order --></basedOn>
 <partOf><!--  0..* Reference(MedicationAdministration) Part of referenced event --></partOf>
 <status value="[code]"/><!--  1..1 registered | preliminary | final | amended +   -->
 <category><!--  0..* CodeableConcept Classification of  type of observation   --></category>
 <code><!--  1..1 CodeableConcept Type of observation (code / type)   --></code>
 <subject><!--  1..1 Reference(Patient) 
     Who and/or what the observation is about --></subject>
 <focus><!--  0..* Reference(Resource) 
     What the observation is about, when it is not about the subject of record --></focus>
 <encounter><!--  0..0 Reference(Encounter) 
     Healthcare event during which this observation is made --></encounter>
 <-- effectiveDateTime sliced by type:$this  in the specified orderClosed-->
 <effectiveDateTime value="[dateTime]"/><!--  1..1 Clinically relevant time/time-period for observation -->
 <issued value="[instant]"/><!--  0..0 Date/Time this version was made available -->
 <performer><!--  0..* Reference(Practitioner) 
     Who is responsible for the observation --></performer>
 <value[x]><!--  0..1 Quantity|CodeableConcept|string|Range|Ratio|
   SampledData|time|dateTime|Period Actual result --></value[x]>
 <dataAbsentReason><!--  0..0 CodeableConcept Why the result is missing   --></dataAbsentReason>
 <interpretation><!--  0..1 CodeableConcept High, low, normal, etc.   --></interpretation>
 <note><!--  0..* Annotation Comments about the observation --></note>
 <bodySite><!--  0..1 CodeableConcept Observed body part   --></bodySite>
 <method><!--  0..1 CodeableConcept How it was done   --></method>
 <specimen><!--  0..0 Reference(Specimen) Specimen used for this observation --></specimen>
 <device><!--  1..1 Reference(DeviceMetric) (Measurement) Device --></device>
 <referenceRange>  0..1 BackboneElement  <!--  0..1 Provides guide for interpretation -->
  <modifierExtension><!--  0..* Extension  Extensions that cannot be ignored even if unrecognized  --></modifierExtension>
  <low><!--  0..1 Quantity 
      Low Range, if relevant --></low>
  <high><!--  0..1 Quantity 
      High Range, if relevant --></high>
  <type><!--  0..1 CodeableConcept Reference range qualifier   --></type>
  <appliesTo><!--  0..* CodeableConcept Reference range population   --></appliesTo>
  <age><!--  0..1 Range 
      Applicable age range, if relevant --></age>
  <text value="[string]"/><!--  0..1 Text based reference range in an observation -->
 </referenceRange>
 <hasMember><!--  0..* Reference(Observation) 
     Related resource that belongs to the Observation group --></hasMember>
 <derivedFrom><!--  0..* Reference(Observation) 
     Related measurements the observation is made from --></derivedFrom>
 <component>  0..* BackboneElement  <!--  0..* Component results -->
  <modifierExtension><!--  0..* Extension  Extensions that cannot be ignored even if unrecognized  --></modifierExtension>
  <code><!--  1..1 CodeableConcept Type of component observation (code / type)   --></code>
  <value[x]><!--  0..1 Quantity|CodeableConcept|string|
    boolean|integer|Range|Ratio|SampledData|time|dateTime|Period 
      Actual component result --></value[x]>
  <dataAbsentReason><!--  0..1 CodeableConcept Why the component result is missing   --></dataAbsentReason>
  <interpretation><!--  0..* CodeableConcept High, low, normal, etc.   --></interpretation>
  <referenceRange><!-- See #Observation.referenceRange  Provides guide for interpretation of component result --></referenceRange>
 </component>
</Observation>

{ // Device Metric Observation Profile
  // from Element: extension
    "meta" : { Meta }, // C?Metadata about the resource
    "implicitRules" : "<uri>", // C?A set of rules under which this content was created
    "language" : "<code>", // C?Language of the resource content
    "text" : { Narrative }, // C?Text summary of the resource, for human interpretation
    "contained" : [{ Resource }], //Contained, inline Resources
    "modifierExtension" : [{ Extension }], // C?Extensions that cannot be ignored
    "identifier" : [{ Identifier }], // C?Business Identifier for observation
    "basedOn" : [{ Reference(CarePlan) }], // C?Fulfills plan, proposal or order
    "partOf" : [{ Reference(MedicationAdministration) }], // C?Part of referenced event
    "status" : "<code>", // C? R! registered | preliminary | final | amended +
    "category" : [{ CodeableConcept }], // C?Classification of  type of observation
    "code" : { CodeableConcept }, // C? R! Type of observation (code / type)
    "subject" : { Reference(Patient) }, // C? R! Who and/or what the observation is about
    "focus" : [{ Reference(Resource) }], // C?What the observation is about, when it is not about the subject of record
    "effectiveDateTime" : [ //  sliced by type:$this  in the specified order, Closed 
      { // Clinically relevant time/time-period for observation // C? R! 
        // from Element: extension
      }
    ],
    "performer" : [{ Reference(Practitioner) }], // C?Who is responsible for the observation
// value[x]: Actual result. One of these 9:
    "valueQuantity" : { Quantity }, // C?Actual result
    "valueCodeableConcept" : { CodeableConcept }, // C?Actual result
    "valueString" : "<string>", // C?Actual result
    "valueRange" : { Range }, // C?Actual result
    "valueRatio" : { Ratio }, // C?Actual result
    "valueSampledData" : { SampledData }, // C?Actual result
    "valueTime" : "<time>", // C?Actual result
    "valueDateTime" : "<dateTime>", // C?Actual result
    "valuePeriod" : { Period }, // C?Actual result
    "interpretation" : { CodeableConcept }, // C?High, low, normal, etc.
    "note" : [{ Annotation }], // C?Comments about the observation
    "bodySite" : { CodeableConcept } // C?Observed body part
    "method" : { CodeableConcept }, // C?How it was done
    "device" : { Reference(DeviceMetric) }, // C? R! (Measurement) Device
    "referenceRange" : { BackboneElement }, // C?Provides guide for interpretation
    "hasMember" : [{ Reference(Observation) }], // C?Related resource that belongs to the Observation group
    "derivedFrom" : [{ Reference(Observation) }], // C?Related measurements the observation is made from
    "component" : [{ BackboneElement }], // C?Component results
  }

Summary

Mandatory: 5 elements
Must-Support: 12 elements
Prohibited: 4 elements

<!-- Device Metric Observation Profile -->

<Observation xmlns="http://hl7.org/fhir"
>
  <!-- from Element: extension -->
 <id><!-- 0..1 string Logical id of this artifact --></id>
 <meta><!--  0..1 Meta Metadata about the resource --></meta>
 <implicitRules value="[uri]"/><!--  0..1 A set of rules under which this content was created -->
 <language value="[code]"/><!--  0..1 Language of the resource content   -->
 <text><!--  0..1 Narrative 
     Text summary of the resource, for human interpretation --></text>
 <contained><!-- 0..* Resource Contained, inline Resources --></contained>
 <modifierExtension><!--  0..* Extension  Extensions that cannot be ignored  --></modifierExtension>
 <identifier><!--  0..* Identifier 
     Business Identifier for observation --></identifier>
 <basedOn><!--  0..* Reference(CarePlan) Fulfills plan, proposal or order --></basedOn>
 <partOf><!--  0..* Reference(MedicationAdministration) Part of referenced event --></partOf>
 <status value="[code]"/><!--  1..1 registered | preliminary | final | amended +   -->
 <category><!--  0..* CodeableConcept Classification of  type of observation   --></category>
 <code><!--  1..1 CodeableConcept Type of observation (code / type)   --></code>
 <subject><!--  1..1 Reference(Patient) 
     Who and/or what the observation is about --></subject>
 <focus><!--  0..* Reference(Resource) 
     What the observation is about, when it is not about the subject of record --></focus>
 <encounter><!--  0..0 Reference(Encounter) 
     Healthcare event during which this observation is made --></encounter>
 <-- effectiveDateTime sliced by type:$this  in the specified orderClosed-->
 <effectiveDateTime value="[dateTime]"/><!--  1..1 Clinically relevant time/time-period for observation -->
 <issued value="[instant]"/><!--  0..0 Date/Time this version was made available -->
 <performer><!--  0..* Reference(Practitioner) 
     Who is responsible for the observation --></performer>
 <value[x]><!--  0..1 Quantity|CodeableConcept|string|Range|Ratio|
   SampledData|time|dateTime|Period Actual result --></value[x]>
 <dataAbsentReason><!--  0..0 CodeableConcept Why the result is missing   --></dataAbsentReason>
 <interpretation><!--  0..1 CodeableConcept High, low, normal, etc.   --></interpretation>
 <note><!--  0..* Annotation Comments about the observation --></note>
 <bodySite><!--  0..1 CodeableConcept Observed body part   --></bodySite>
 <method><!--  0..1 CodeableConcept How it was done   --></method>
 <specimen><!--  0..0 Reference(Specimen) Specimen used for this observation --></specimen>
 <device><!--  1..1 Reference(DeviceMetric) (Measurement) Device --></device>
 <referenceRange>  0..1 BackboneElement  <!--  0..1 Provides guide for interpretation -->
  <modifierExtension><!--  0..* Extension  Extensions that cannot be ignored even if unrecognized  --></modifierExtension>
  <low><!--  0..1 Quantity 
      Low Range, if relevant --></low>
  <high><!--  0..1 Quantity 
      High Range, if relevant --></high>
  <type><!--  0..1 CodeableConcept Reference range qualifier   --></type>
  <appliesTo><!--  0..* CodeableConcept Reference range population   --></appliesTo>
  <age><!--  0..1 Range 
      Applicable age range, if relevant --></age>
  <text value="[string]"/><!--  0..1 Text based reference range in an observation -->
 </referenceRange>
 <hasMember><!--  0..* Reference(Observation) 
     Related resource that belongs to the Observation group --></hasMember>
 <derivedFrom><!--  0..* Reference(Observation) 
     Related measurements the observation is made from --></derivedFrom>
 <component>  0..* BackboneElement  <!--  0..* Component results -->
  <modifierExtension><!--  0..* Extension  Extensions that cannot be ignored even if unrecognized  --></modifierExtension>
  <code><!--  1..1 CodeableConcept Type of component observation (code / type)   --></code>
  <value[x]><!--  0..1 Quantity|CodeableConcept|string|
    boolean|integer|Range|Ratio|SampledData|time|dateTime|Period 
      Actual component result --></value[x]>
  <dataAbsentReason><!--  0..1 CodeableConcept Why the component result is missing   --></dataAbsentReason>
  <interpretation><!--  0..* CodeableConcept High, low, normal, etc.   --></interpretation>
  <referenceRange><!-- See #Observation.referenceRange  Provides guide for interpretation of component result --></referenceRange>
 </component>
</Observation>

{ // Device Metric Observation Profile
  // from Element: extension
    "meta" : { Meta }, // C?Metadata about the resource
    "implicitRules" : "<uri>", // C?A set of rules under which this content was created
    "language" : "<code>", // C?Language of the resource content
    "text" : { Narrative }, // C?Text summary of the resource, for human interpretation
    "contained" : [{ Resource }], //Contained, inline Resources
    "modifierExtension" : [{ Extension }], // C?Extensions that cannot be ignored
    "identifier" : [{ Identifier }], // C?Business Identifier for observation
    "basedOn" : [{ Reference(CarePlan) }], // C?Fulfills plan, proposal or order
    "partOf" : [{ Reference(MedicationAdministration) }], // C?Part of referenced event
    "status" : "<code>", // C? R! registered | preliminary | final | amended +
    "category" : [{ CodeableConcept }], // C?Classification of  type of observation
    "code" : { CodeableConcept }, // C? R! Type of observation (code / type)
    "subject" : { Reference(Patient) }, // C? R! Who and/or what the observation is about
    "focus" : [{ Reference(Resource) }], // C?What the observation is about, when it is not about the subject of record
    "effectiveDateTime" : [ //  sliced by type:$this  in the specified order, Closed 
      { // Clinically relevant time/time-period for observation // C? R! 
        // from Element: extension
      }
    ],
    "performer" : [{ Reference(Practitioner) }], // C?Who is responsible for the observation
// value[x]: Actual result. One of these 9:
    "valueQuantity" : { Quantity }, // C?Actual result
    "valueCodeableConcept" : { CodeableConcept }, // C?Actual result
    "valueString" : "<string>", // C?Actual result
    "valueRange" : { Range }, // C?Actual result
    "valueRatio" : { Ratio }, // C?Actual result
    "valueSampledData" : { SampledData }, // C?Actual result
    "valueTime" : "<time>", // C?Actual result
    "valueDateTime" : "<dateTime>", // C?Actual result
    "valuePeriod" : { Period }, // C?Actual result
    "interpretation" : { CodeableConcept }, // C?High, low, normal, etc.
    "note" : [{ Annotation }], // C?Comments about the observation
    "bodySite" : { CodeableConcept } // C?Observed body part
    "method" : { CodeableConcept }, // C?How it was done
    "device" : { Reference(DeviceMetric) }, // C? R! (Measurement) Device
    "referenceRange" : { BackboneElement }, // C?Provides guide for interpretation
    "hasMember" : [{ Reference(Observation) }], // C?Related resource that belongs to the Observation group
    "derivedFrom" : [{ Reference(Observation) }], // C?Related measurements the observation is made from
    "component" : [{ BackboneElement }], // C?Component results
  }