Contact with persons suffering from Covid-19?


Parameter Case Report Form and Response Options

Contact with persons suffering from Covid-19 Yes No Unknown
Did the patient knowingly have contact with a person with probable or proven Covid-19 disease within 14 days before the onset of his/her symptoms?

This profile of a FHIR Observation is closely aligned to the Known Exposure-profile of the Logica Implementation Guide for Covid-19.


Profile - Known Exposure

Canonical: https://www.netzwerk-universitaetsmedizin.de/fhir/StructureDefinition/known-exposure

Snapshot

identifierΣ0..*Identifier
basedOnΣ I0..*Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)
partOfΣ I0..*Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)
statusΣ ?!1..1codeBinding
systemΣ1..1uri
versionΣ0..1string
codeΣ1..1code
displayΣ0..1string
userSelectedΣ0..1boolean
textΣ0..1string
systemΣ1..1uri
versionΣ0..1string
codeΣ1..1code
displayΣ0..1string
userSelectedΣ0..1boolean
textΣ0..1string
subjectS Σ I1..1Reference(Patient | Group)
focusΣ I0..*Reference(Resource)
encounterΣ I0..1Reference(Encounter)
effectiveDateTimedateTime
effectivePeriodPeriod
effectiveTimingTiming
effectiveInstantinstant
issuedΣ0..1instant
performerΣ I0..*Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)
systemΣ1..1uri
versionΣ0..1string
codeΣ1..1code
displayΣ0..1string
userSelectedΣ0..1boolean
textΣ0..1string
dataAbsentReasonS I0..1CodeableConceptBinding
interpretation0..*CodeableConceptBinding
note0..*Annotation
bodySite0..0CodeableConcept
method0..1CodeableConcept
specimenI0..0Reference(Specimen)
deviceI0..0Reference(Device | DeviceMetric)
hasMemberΣ I0..0Reference(Observation | QuestionnaireResponse | MolecularSequence)
derivedFromΣ I0..*Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)
codeΣ1..1CodeableConcept
valueQuantityQuantity
valueCodeableConceptCodeableConcept
valueStringstring
valueBooleanboolean
valueIntegerinteger
valueRangeRange
valueRatioRatio
valueSampledDataSampledData
valueTimetime
valueDateTimedateTime
valuePeriodPeriod
dataAbsentReasonI0..1CodeableConceptBinding
interpretation0..*CodeableConceptBinding
referenceRange0..*see (referenceRange)


ValueSets

Canonical: https://www.netzwerk-universitaetsmedizin.de/fhir/ValueSet/known-exposure

ValueSet 'KnownExposureSARSCoV2'

Version1.0.6
Published byBerlin Institute of Health at Charité (BIH)
StatusActive
ExperimentalFalse

A set of answers if the patient had contact with a person suffering from Covid-19.

Contact Information

Website: https://www.bihealth.org/en/re...

This value set includes codes from the following code systems:

  • The following codes from system: SNOMED_CT

    CodeDisplay
    840546002Exposure to severe acute respiratory syndrome coronavirus 2 (event)
    373067005No (qualifier value)


Examples

Known Exposure Present
Example observation where a patient was knowingly exposed to SARS-CoV-2

{
    "resourceType": "Observation",
    "id": "known-exposure-covid-19",
    "meta": {
        "profile":  [
            "https://www.netzwerk-universitaetsmedizin.de/fhir/StructureDefinition/known-exposure"
        ]
    },
    "category":  [
        {
            "coding":  [
                {
                    "code": "social-history",
                    "system": "http://terminology.hl7.org/CodeSystem/observation-category"
                }
            ]
        }
    ],
    "code": {
        "coding":  [
            {
                "code": "88636-6",
                "system": "http://loinc.org",
                "display": "Known exposure [Identifier]"
            }
        ],
        "text": "Known exposure"
    },
    "valueCodeableConcept": {
        "coding":  [
            {
                "system": "http://snomed.info/sct",
                "code": "840546002",
                "display": "Exposure to severe acute respiratory syndrome coronavirus 2 (event)"
            }
        ]
    },
    "identifier":  [
        {
            "type": {
                "coding":  [
                    {
                        "code": "OBI",
                        "system": "http://terminology.hl7.org/CodeSystem/v2-0203"
                    }
                ]
            },
            "system": "https://www.charite.de/fhir/CodeSystem/observation-identifiers",
            "value": "88636-6_KnownExposure",
            "assigner": {
                "reference": "Organization/Charité"
            }
        }
    ],
    "status": "final",
    "subject": {
        "reference": "Patient/gecco-patient"
    },
    "effectiveDateTime": "2020-10-04"
}


Known Exposure Absent
Example observation where a patient was not knowingly exposed to SARS-CoV-2

{
    "resourceType": "Observation",
    "id": "known-exposure-no",
    "meta": {
        "profile":  [
            "https://www.netzwerk-universitaetsmedizin.de/fhir/StructureDefinition/known-exposure"
        ]
    },
    "category":  [
        {
            "coding":  [
                {
                    "code": "social-history",
                    "system": "http://terminology.hl7.org/CodeSystem/observation-category"
                }
            ]
        }
    ],
    "code": {
        "coding":  [
            {
                "code": "88636-6",
                "system": "http://loinc.org",
                "display": "Known exposure [Identifier]"
            }
        ],
        "text": "Known exposure"
    },
    "valueCodeableConcept": {
        "coding":  [
            {
                "system": "http://snomed.info/sct",
                "code": "373067005",
                "display": "No (qualifier value)"
            }
        ]
    },
    "identifier":  [
        {
            "type": {
                "coding":  [
                    {
                        "code": "OBI",
                        "system": "http://terminology.hl7.org/CodeSystem/v2-0203"
                    }
                ]
            },
            "system": "https://www.charite.de/fhir/CodeSystem/observation-identifiers",
            "value": "88636-6_KnownExposure",
            "assigner": {
                "reference": "Organization/Charité"
            }
        }
    ],
    "status": "final",
    "subject": {
        "reference": "Patient/gecco-patient"
    },
    "effectiveDateTime": "2020-10-04"
}


Exposure Unknown
Example observation where a patient's exposure to SARS-CoV-2 is unknown

{
    "resourceType": "Observation",
    "id": "known-exposure-unknown",
    "meta": {
        "profile":  [
            "https://www.netzwerk-universitaetsmedizin.de/fhir/StructureDefinition/known-exposure"
        ]
    },
    "category":  [
        {
            "coding":  [
                {
                    "code": "social-history",
                    "system": "http://terminology.hl7.org/CodeSystem/observation-category"
                }
            ]
        }
    ],
    "code": {
        "coding":  [
            {
                "code": "88636-6",
                "system": "http://loinc.org",
                "display": "Known exposure [Identifier]"
            }
        ],
        "text": "Known exposure"
    },
    "identifier":  [
        {
            "type": {
                "coding":  [
                    {
                        "code": "OBI",
                        "system": "http://terminology.hl7.org/CodeSystem/v2-0203"
                    }
                ]
            },
            "system": "https://www.charite.de/fhir/CodeSystem/observation-identifiers",
            "value": "88636-6_KnownExposure",
            "assigner": {
                "reference": "Organization/Charité"
            }
        }
    ],
    "status": "final",
    "subject": {
        "reference": "Patient/gecco-patient"
    },
    "effectiveDateTime": "2020-10-04",
    "dataAbsentReason": {
        "coding":  [
            {
                "code": "unknown",
                "system": "http://terminology.hl7.org/CodeSystem/data-absent-reason",
                "display": "Unknown"
            }
        ]
    }
}