| Name | Flags | Card. | Type | Description & Constraints | ||||
|---|---|---|---|---|---|---|---|---|
  Age | ΣTU | Quantity | A duration of time during which an organism (or a process) has existed Binding: Common UCUM Codes for Age (Extensible)
+ Rule: There SHALL be a code if there is a value and it SHALL be an expression of time. If system is present, it SHALL be UCUM. If value is present, it SHALL be positive. Elements defined in Ancestors: id, extension, value, comparator, unit, system, code | |||||
| Documentation for this format | ||||||||