http://hl7.org/fhir/StructureDefinition/devicerequest-patientInstruction|5.2.0

Simple concise instructions to be read by the patient. For example “twice a day” rather than “BID.”.

element_id	types
Extension
Extension.extension:lang	Extension
Extension.extension:lang.extension
Extension.extension:lang.url	uri
Extension.extension:lang.value[x]	code
Extension.extension:content	Extension
Extension.extension:content.extension
Extension.extension:content.url	uri
Extension.extension:content.value[x]	string
Extension.url
Extension.value[x]
Extension
Extension.id	http://hl7.org/fhirpath/System.String
Extension.extension	Extension
Extension.extension:lang	Extension
Extension.extension:lang.id	http://hl7.org/fhirpath/System.String
Extension.extension:lang.extension	Extension
Extension.extension:lang.url	uri
Extension.extension:lang.value[x]	code
Extension.extension:content	Extension
Extension.extension:content.id	http://hl7.org/fhirpath/System.String
Extension.extension:content.extension	Extension
Extension.extension:content.url	uri
Extension.extension:content.value[x]	string
Extension.url	http://hl7.org/fhirpath/System.String
Extension.value[x]	base64Binary,boolean,canonical,code,date,dateTime,decimal,id,instant,integer,integer64,markdown,oid,positiveInt,string,time,unsignedInt,uri,url,uuid,Address,Age,Annotation,Attachment,CodeableConcept,CodeableReference,Coding,ContactPoint,Count,Distance,Duration,HumanName,Identifier,Money,Period,Quantity,Range,Ratio,RatioRange,Reference,SampledData,Signature,Timing,ContactDetail,DataRequirement,Expression,ParameterDefinition,RelatedArtifact,TriggerDefinition,UsageContext,Availability,ExtendedContactDetail,Dosage,Meta