Order with as needed (PRN) dosage - Percocet - completed with link to encounter, dispenseRequest and substitution

@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix sct: <http://snomed.info/id/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

[a fhir:MedicationRequest ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:id [ fhir:v "medrx0307"] ; # 
  fhir:contained ( [
     a fhir:Medication ;
     fhir:id [ fhir:v "med0308" ] ;
     fhir:code [
       fhir:coding ( [
         fhir:system [ fhir:v "http://hl7.org/fhir/sid/ndc"^^xsd:anyURI ] ;
         fhir:code [ fhir:v "63481-623-70" ] ;
         fhir:display [ fhir:v "PERCOCET, 100 TABLET in 1 BOTTLE (63481-623-70) (package)" ]
       ] )
     ]
  ] ) ; # 
  fhir:identifier ( [
     fhir:use [ fhir:v "official" ] ;
     fhir:system [ fhir:v "http://www.bmc.nl/portal/prescriptions"^^xsd:anyURI ] ;
     fhir:value [ fhir:v "12345689" ]
  ] ) ; # 
  fhir:status [ fhir:v "completed"] ; # 
  fhir:intent [ fhir:v "order"] ; # 
  fhir:medication [
     fhir:reference [
       fhir:reference [ fhir:v "#med0308" ]
     ] #   Linked to a RESOURCE Medication  
  ] ; # 
  fhir:subject [
     fhir:reference [ fhir:v "Patient/pat1" ] ; #   Linked to the resource patient who needs the medication  
     fhir:display [ fhir:v "Donald Duck" ]
  ] ; # 
  fhir:encounter [
     fhir:reference [ fhir:v "Encounter/f001" ] ; #   Linked to a resource Encounter between patient and practitioner 
     fhir:display [ fhir:v "encounter who leads to this prescription" ]
  ] ; # 
  fhir:authoredOn [ fhir:v "2015-01-15"^^xsd:date] ; # 
  fhir:requester [
     fhir:reference [ fhir:v "Practitioner/f007" ] ;
     fhir:display [ fhir:v "Patrick Pump" ]
  ] ; # 
  fhir:dosageInstruction ( [
     fhir:sequence [ fhir:v "1"^^xsd:integer ] ;
     fhir:text [ fhir:v "1 tablet every four hours as needed for pain" ] ;
     fhir:additionalInstruction ( [
       fhir:coding ( [
         a sct:418914006 ;
         fhir:system [ fhir:v "http://snomed.info/sct"^^xsd:anyURI ] ;
         fhir:code [ fhir:v "418914006" ] ;
         fhir:display [ fhir:v "Warning. May cause drowsiness. If affected do not drive or operate machinery. Avoid alcoholic drink (qualifier value)" ]
       ] )
     ] ) ;
     fhir:timing [
       fhir:repeat [
         fhir:frequency [ fhir:v "1"^^xsd:positiveInteger ] ;
         fhir:period [ fhir:v "4"^^xsd:decimal ] ;
         fhir:periodUnit [ fhir:v "h" ]
       ]
     ] ;
     fhir:asNeededFor ( [
       fhir:coding ( [
         a sct:203082005 ;
         fhir:system [ fhir:v "http://snomed.info/sct"^^xsd:anyURI ] ;
         fhir:code [ fhir:v "203082005" ] ;
         fhir:display [ fhir:v "Fibromyalgia (disorder)" ]
       ] )
     ] ) ;
     fhir:route [
       fhir:coding ( [
         a sct:26643006 ;
         fhir:system [ fhir:v "http://snomed.info/sct"^^xsd:anyURI ] ;
         fhir:code [ fhir:v "26643006" ] ;
         fhir:display [ fhir:v "Oral Route" ]
       ] )
     ] ;
     fhir:doseAndRate ( [
       fhir:type [
         fhir:coding ( [
           fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/dose-rate-type"^^xsd:anyURI ] ;
           fhir:code [ fhir:v "ordered" ] ;
           fhir:display [ fhir:v "Ordered" ]
         ] )
       ] ;
       fhir:dose [
         a fhir:Quantity ;
         fhir:value [ fhir:v "1"^^xsd:decimal ] ;
         fhir:unit [ fhir:v "TAB" ] ;
         fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm"^^xsd:anyURI ] ;
         fhir:code [ fhir:v "TAB" ]
       ]
     ] )
  ] ) ; # 
  fhir:dispenseRequest [
     fhir:validityPeriod [
       fhir:start [ fhir:v "2015-01-15"^^xsd:date ] ;
       fhir:end [ fhir:v "2016-01-15"^^xsd:date ]
     ] ;
     fhir:quantity [
       fhir:value [ fhir:v "30"^^xsd:decimal ] ;
       fhir:unit [ fhir:v "TAB" ] ;
       fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm"^^xsd:anyURI ] ;
       fhir:code [ fhir:v "TAB" ]
     ] ;
     fhir:expectedSupplyDuration [
       fhir:value [ fhir:v "10"^^xsd:decimal ] ;
       fhir:unit [ fhir:v "days" ] ;
       fhir:system [ fhir:v "http://unitsofmeasure.org"^^xsd:anyURI ] ;
       fhir:code [ fhir:v "d" ]
     ]
  ] ; # 
  fhir:substitution [
     fhir:allowed [ fhir:v "true"^^xsd:boolean ] ;
     fhir:reason [
       fhir:coding ( [
         fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/v3-ActReason"^^xsd:anyURI ] ;
         fhir:code [ fhir:v "FP" ] ;
         fhir:display [ fhir:v "formulary policy" ]
       ] )
     ]
  ]] . # 

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