HD

Hierarchic Designator

Composite
Definition: The basic definition of the HD is that it identifies an (administrative or system or application or other) entity that has responsibility for managing or assigning a defined set of instance identifiers (such as placer or filler number, patient identifiers, provider identifiers, etc.). This entity could be a particular health care application such as a registration system that assigns patient identifiers, a governmental entity such as a licensing authority that assigns professional identifiers or drivers' license numbers, or a facility where such identifiers are assigned.
Maximum Length: 227
3
Comp#FHIR
113920-OHD.1Namespace ID
2140199-C-HD.2Universal ID
31416-CHD.3Universal ID Type
19
10