interface Identifier {
    _system?: Element;
    _use?: Element;
    _value?: Element;
    assigner?: Reference;
    extension?: Extension[];
    id?: id;
    period?: Period;
    system?: uri;
    type?: CodeableConcept;
    use?: code;
    value?: string;
}

Properties

_system?: Element

The namespace for the identifier value

_use?: Element

usual | official | temp | secondary | old (If known)

_value?: Element

The value that is unique

assigner?: Reference

Organization that issued id (may be just text)

extension?: Extension[]

Additional content defined by implementations

id?: id

Unique id for inter-element referencing

period?: Period

Time period when id is/was valid for use

system?: uri

The namespace for the identifier value

Description of identifier

use?: code

usual | official | temp | secondary | old (If known)

value?: string

The value that is unique