Optional_Optional_Condition associated with the reference range
Optional_male | female | other | unknown
OptionalageApplicable age range, if relevant
OptionalappliesTargetted population of the range
Optionalcategoryreference | critical | absolute
OptionalconditionCondition associated with the reference range
OptionalcontextRange context qualifier
OptionalextensionAdditional content defined by implementations
Optionalgendermale | female | other | unknown
OptionalgestationalApplicable gestational age range, if relevant
OptionalidUnique id for inter-element referencing
OptionalmodifierExtensions that cannot be ignored even if unrecognized
OptionalrangeThe interval itself, for continuous or ordinal observations
reference | critical | absolute