Release 5

This page is part of the FHIR Specification (v5.0.0: R5 - STU). This is a downloaded copy of the specification. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3

Quantity.shex

Modeling and Methodology Work GroupMaturity Level: N/AStandards Status: Informative

Raw ShEx

ShEx statement for Quantity

PREFIX fhir: <http://hl7.org/fhir/> 
PREFIX fhirvs: <http://hl7.org/fhir/ValueSet/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> 
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> 

IMPORT <uri.shex>
IMPORT <code.shex>
IMPORT <string.shex>
IMPORT <decimal.shex>
IMPORT <DataType.shex>

# A measured or measurable amount
<Quantity> EXTENDS @<DataType> CLOSED {   

    a [fhir:Quantity]?;

    fhir:value @<decimal>?;                 # Numerical value (with implicit 
                                            # precision) 
    fhir:comparator @<code> AND
    	{fhir:v @fhirvs:quantity-comparator}?;  # < | <= | >= | > | ad - how to 
                                            # understand the value 
    fhir:unit @<string>?;                   # Unit representation
    fhir:system @<uri>?;                    # System that defines coded unit form
    fhir:code @<code>?;                     # Coded form of the unit
}  

#---------------------- Value Sets ------------------------

# How the Quantity should be understood and represented.
fhirvs:quantity-comparator ["<" "<=" ">=" ">" "ad"]

Usage note: every effort has been made to ensure that the ShEx files are correct and useful, but they are not a normative part of the specification.