<status value="draft" /> <description value="一个可以被测量的简单数量。需要通过具体的场景来确定数量的类型和单位。简单数量不能使用“值比较器”（comparetor）来对来实际值与声明的计量值之间的大小。" /> <fhirVersion value="4.0.0" /> <mapping> <identity value="v2" /> <uri value="http://hl7.org/v2" /> <name value="HL7 v2 Mapping" /> </mapping> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <type value="Quantity" /> <baseDefinition value="http://StructureDefinition.hl7fhir.cn/Quantity" /> <derivation value="constraint" /> <snapshot> <element id="Quantity"> <path value="Quantity" /> <short value="简单数量" /> <definition value="一个可以被测量的简单数量。" /> <comment value="需要通过具体的场景来确定数量的类型和单位。简单数量不能使用“值比较器”（comparetor）来对来实际值与声明的计量值之间的大小。" /> <min value="0" /> <max value="*" /> <base> <path value="Quantity" /> <min value="0" /> <max value="*" /> </base> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="qty-3" /> <severity value="error" /> <human value="If a code for the unit is present, the system SHALL also be present" /> <expression value="code.empty() or system.exists()" /> <xpath value="not(exists(f:code)) or exists(f:system)" /> <source value="http://hl7.org/fhir/StructureDefinition/Quantity" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="v2" /> <map value="SN (see also Range) or CQ" /> </mapping> <mapping> <identity value="rim" /> <map value="PQ, IVL<PQ>, MO, CO, depending on the values" /> </mapping> </element> <element id="Quantity.id"> <path value="Quantity.id" /> <representation value="xmlAttr" /> <short value="Unique id for inter-element referencing" /> <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." /> <min value="0" /> <max value="1" /> <base> <path value="Element.id" /> <min value="0" /> <max value="1" /> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="string" /> </extension> <code value="http://hl7.org/fhirpath/System.String" /> </type> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Quantity.extension"> <path value="Quantity.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <description value="Extensions are always sliced by (at least) url" /> <rules value="open" /> </slicing> <short value="Additional content defined by implementations" /> <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." /> <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." /> <alias value="extensions" /> <alias value="user content" /> <min value="0" /> <max value="*" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Quantity.value"> <path value="Quantity.value" /> <short value="数值" /> <definition value="测量出来的值。该值的精度由其自身的表现形式决定。如“3.2”的精度低于“3.20”。" /> <comment value="应该重视数值格式中所暗含的精度意义。如：货币类型的数值有自己的处理精度规则" /> <requirements value="计量值的精度几乎都暗含在其表示格式中。" /> <min value="0" /> <max value="1" /> <base> <path value="Quantity.value" /> <min value="0" /> <max value="1" /> </base> <type> <code value="decimal" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isSummary value="true" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="v2" /> <map value="SN.2 / CQ - N/A" /> </mapping> <mapping> <identity value="rim" /> <map value="PQ.value, CO.value, MO.value, IVL.high or IVL.low depending on the value" /> </mapping> </element> <element id="Quantity.comparator"> <path value="Quantity.comparator" /> <short value="< | <= | >= | > - 与实际值的比较" /> <definition value="应该如何理解和表示计量的值——由于测量问题，实际值与声明的计量值之间的关系；例如，如果此值为“<”，则实际值比声明的值更小。" /> <comment value="如果是简单数据类型（SimpleQuantity），则不允许使用此元素" /> <requirements value="由于测量方法的限制，需要一个框架可用于处理测量值小于5ug/L或大于400mg/L的情况。" /> <min value="0" /> <max value="0" /> <base> <path value="Quantity.comparator" /> <min value="0" /> <max value="1" /> </base> <type> <code value="code" /> </type> <meaningWhenMissing value="如果此元素缺失，则实际值就是声明的计量值" /> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isModifier value="true" /> <isModifierReason value="改变此元素的值会使整个计量值的意义发生重大变化。" /> <isSummary value="true" /> <binding> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"> <valueString value="QuantityComparator" /> </extension> <strength value="required" /> <description value="How the Quantity should be understood and represented." /> <valueSet value="http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1" /> </binding> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="v2" /> <map value="SN.1 / CQ.1" /> </mapping> <mapping> <identity value="rim" /> <map value="IVL properties" /> </mapping> </element> <element id="Quantity.unit"> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable"> <valueBoolean value="true" /> </extension> <path value="Quantity.unit" /> <short value="单位" /> <definition value="计量值所使用的度量单位。" /> <comment value="Note that FHIR strings SHALL NOT exceed 1MB in size" /> <requirements value="度量单位有许多表示方式，对于特定的度量一般都有固定的强制要求。比如，用"mcg"来表示单位“微克”。" /> <min value="0" /> <max value="1" /> <base> <path value="Quantity.unit" /> <min value="0" /> <max value="1" /> </base> <type> <code value="string" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isSummary value="true" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="v2" /> <map value="(see OBX.6 etc.) / CQ.2" /> </mapping> <mapping> <identity value="rim" /> <map value="PQ.unit" /> </mapping> </element> <element id="Quantity.system"> <path value="Quantity.system" /> <short value="单位编码所属系统" /> <definition value="以编码表示的度量单位所属的系统标识。" /> <comment value="参见：http://en.wikipedia.org/wiki/Uniform_resource_identifier" /> <requirements value="通过单位编码的所属系统才能准确理解编码的含义" /> <min value="0" /> <max value="1" /> <base> <path value="Quantity.system" /> <min value="0" /> <max value="1" /> </base> <type> <code value="uri" /> </type> <condition value="ele-1" /> <condition value="qty-3" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isSummary value="true" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="v2" /> <map value="(see OBX.6 etc.) / CQ.2" /> </mapping> <mapping> <identity value="rim" /> <map value="CO.codeSystem, PQ.translation.codeSystem" /> </mapping> </element> <element id="Quantity.code"> <path value="Quantity.code" /> <short value="单位编码" /> <definition value="在某些单位表示系统中，单位的编码形式，可用于计算机处理。" /> <comment value="从编码的选用角度，首选系统是UCUM（Unified Code for Units of Measure，计量单位统一代码），其次是SNOMED CT（惯用单位）或 ISO 4217（货币单位）。在特定的场景中可能还需要用到其它系统的单位编码。" /> <requirements value="在单位的所有表现形式中，需要一个可供计算机处理的固定形式。UCUM编码系统为计量单位提供了这种形式，而SNOMED CT也提供了许多有趣的单位编码。" /> <min value="0" /> <max value="1" /> <base> <path value="Quantity.code" /> <min value="0" /> <max value="1" /> </base> <type> <code value="code" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isSummary value="true" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="v2" /> <map value="(see OBX.6 etc.) / CQ.2" /> </mapping> <mapping> <identity value="rim" /> <map value="PQ.code, MO.currency, PQ.translation.code" /> </mapping> </element> </snapshot> <differential> <element id="Quantity"> <path value="Quantity" /> <short value="简单数量" /> <definition value="一个可以被测量的简单数量。" /> <comment value="需要通过具体的场景来确定数量的类型和单位。简单数量不能使用“值比较器”（comparetor）来对来实际值与声明的计量值之间的大小。" /> </element> <element id="Quantity.comparator"> <path value="Quantity.comparator" /> <max value="0" /> </element> </differential> </StructureDefinition>