COVID-19 Symptoms Absent

Working from LogicaHealth IG

Modifier extension adding certainty of absence. See https://covid-19-ig.logicahealth.org/StructureDefinition-covid19-symptoms-absent.html ('Refuted' as a value is being discussed by the HL7 Patient Care Workgroup - steward of the Condition Resource). LBI: Clinical Assessment 2.3 contains some verification values.

See analysis spreadsheet by @Former user (Deleted)

FHIR element	Binding	Comments

FHIR element	Binding	Comments
Condition.code	COVID 19 Signs and Symptoms Value Set	See COVID-19 Symptoms Present
Condition.modifierExtension:certaintyOfAbsence	CertaintyOfAbsenceVS	Does the existence of the modifier change the interpretation of the Condition instance? See https://www.hl7.org/fhir/extensibility.html#modifierExtension http://hl7.org/fhir/R4/condition.html#9.2.3.4 and http://hl7.org/fhir/R4/condition.html#9.2.3.5