description: Definition of the Observation for the EBV
package_name: rs/ch.fhir.ig.ch
derivation: constraint
name: CHCRLObservationEBV
type: Observation
elements:
  code:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: 5005-4, system: 'http://loinc.org', display: 'Epstein Barr virus DNA [Presence] in Specimen by NAA with probe detection'}
    type: CodeableConcept
    index: 0
  subject:
    type: Reference
    short: Patient
    refers: ['http://fhir.ch/ig/ch-crl/StructureDefinition/ch-crl-patient']
    index: 1
    elements:
      reference: {index: 2}
    required: [reference]
  effective:
    choices: []
    index: 4
  effectiveDateTime: {type: dateTime, index: 5}
  performer:
    type: Reference
    short: Practitioner if resident physician or Organization Department if hospital
    refers: ['http://fhir.ch/ig/ch-crl/StructureDefinition/ch-crl-organization-department', 'http://fhir.ch/ig/ch-crl/StructureDefinition/ch-crl-practitioner']
    index: 6
    elements:
      reference: {index: 7}
    required: [reference]
  valueBoolean:
    type: boolean
    short: "EBV (Epstein Barr virus) positivity is defined as showing evidence of EBV \r\nantigen in a blood test, or EBV DNA or RNA by polymerase chain reaction. \r\nIf EBV-negative then 'value=false', \r\nif EBV-positive then 'value=true'."
    index: 8
  dataAbsentReason:
    short: EBV is not stated / not assessed
    index: 9
    elements:
      coding:
        index: 10
        elements:
          system:
            pattern: {type: uri, value: 'http://terminology.hl7.org/CodeSystem/data-absent-reason'}
            type: uri
            index: 11
          code:
            pattern: {type: code, value: unknown}
            type: code
            index: 12
          display:
            pattern: {type: string, value: Unknown}
            type: string
            index: 13
        required: [code, display, system]
    required: [coding]
package_version: crl-0.9.0
class: profile
kind: resource
url: http://fhir.ch/ig/ch-crl/StructureDefinition/ch-crl-observation-ebv
base: http://hl7.org/fhir/StructureDefinition/Observation
version: 0.9.0
required: [effective, effectiveDateTime, subject]