Alias: $condition-clinical = http://terminology.hl7.org/CodeSystem/condition-clinical
Alias: $allergy-clinical = http://terminology.hl7.org/CodeSystem/allergyintolerance-clinical
Alias: $condition-ver-status = http://terminology.hl7.org/CodeSystem/condition-ver-status
Alias: $condition-category = http://terminology.hl7.org/CodeSystem/condition-category
Alias: $sct = http://snomed.info/sct
Alias: $observation-category = http://terminology.hl7.org/CodeSystem/observation-category
Alias: $loinc = http://loinc.org
Alias: $icd10 = http://hl7.org/fhir/sid/icd-10-cm
Alias: $PSSQSIProcedures = https://www.ehealth.fgov.be/standards/fhir/pss/CodeSystem/PSSQSIProcedures
Alias: $PSSQSIConditions = https://www.ehealth.fgov.be/standards/fhir/pss/CodeSystem/PSSQSIConditions
Alias: $cpg-activity-type-cs = http://hl7.org/fhir/uv/cpg/CodeSystem/cpg-activity-type-cs
Alias: $atc = http://www.whocc.no/atc
Alias: $translation = http://hl7.org/fhir/StructureDefinition/translation
Alias: $ucum = http://unitsofmeasure.org 
Alias: $icpc2 = http://hl7.org/fhir/sid/icpc-2
Alias: $VMPG = https://www.ehealth.fgov.be/standards/fhir/medication/CodeSystem/vmpg