Assertion: observation's value | /r/HasProperty | nani.e. an error
Facets:
Source sentences:
text: For example if the value was below the lower limit of detection of <2.0 mmol/L the valueQuantity would be: "valueQuantity": { "value": 2.0, "comparator": "<", "unit": "mmol/l", "system": "http://unitsofmeasure.org", "code": "mmol/L" } If the value was "NaN" (i.e. an error) the valueCodeableConcept element would be absent and dataAbsentReason element would be: "dataAbsentReason": { "coding": [ { "system": "http://terminology.hl7.org/CodeSystem/data-absent-reason", "code": "NaN", "display": "Not a Number" } ] }