Optional
_Optional
ageApplicable age range, if relevant
Optional
appliesReference range population
Optional
extensionAdditional content defined by implementations
Optional
highHigh Range, if relevant
Optional
idUnique id for inter-element referencing
Optional
lowLow Range, if relevant
Optional
modifierExtensions that cannot be ignored even if unrecognized
Optional
textText based reference range in an observation
Optional
typeReference range qualifier
Text based reference range in an observation