Legend

The table below the information model uses icons in the columns 'Type' en 'Reference'. The meaning of these icons is explained on this page.

Legend

Column 'Type'

	HCIM root, the top level of the HCIM.
	Container. A container is a collection of related elements, which can occur together one or more times.
	Reference. A reference to another HCIM. The column 'Reference' contains the name of the HCIM as well as a link.
	Datatype ANY: any of the below mentioned datatypes can be used.
	Datatype BL: boolean. Data element that only represents the values 'Yes/No' of 'True/False'.
	Datatype CD: coded descriptor. Data element that is coded with codesystems like SNOMED-CT, LOINC, G-Standaard, etc.
	Datatype CO: coded ordinal. Data element like CD but type CO adds semantics related to ordering to the elements of the codesystem, e.g. little, normal, much, very much.
	Datatype ED: encoded data. Datatype that is used to represent e.g. images or document blob's.
	Datatype II: instance identifier. Data element that uniquely identifies a thing or object, e.g a driving licence number, a passport number, etc.
	Datatype INT: integer. Data element that contains any of the natural numbers, the negatives of these numbers, or zero.
	Datatype PQ: physical quantity. Data element that expresses a quantity and a unit of measure, typically the result of a measurement. The units of measure are to be selected from the UCUM system.
	Datatype ST: string. Data element contains textual information.
	Datatype TS: timestamp. Data element contains a date and/or a time. Incomplete dates like 'March 1985' are allowed.
	Error: datatype not found. Normally this icon will not be present.

Column 'Reference'

	Reference to a valueset on the same wikipage
	Reference to an assigning authority of an identifier on the same wikipage
	Reference to another HCIM. Following the hyperlink will open the referenced HCIM page in a new tab.

General

In the table following the information model the top level element and the containers are preceded by a and the other elements by a
This indicates the container the concept is part of.
With each new container, the list indents further to the right, indicated by a vertical dashed line.
All elements at the same indentation level belong to the same container.