Primary Care
current 
dft-preBallot - This is the first draft of the P-Care IG. For a full list of available versions, see the Directory of published versions
Quantity
Links
Profile
Derived from
http://hl7.org/fhir/StructureDefinition/Quantity
Examples
Description
A measured amount using UCUM.
References to this resource
Resource Content
--- We have skipped the narrative for better readability of the resource ---
</text>
</mapping>
</mapping>
</extension>
<definition value="A measured amount (or an amount that can potentially be measured). Note that measured amounts include amounts that are not precisely quantified, including amounts involving arbitrary units and floating currencies." />
<comment value="The context of use may frequently define what kind of quantity this is and therefore what kind of units can be used. The context of use may also restrict the values for the comparator." />
</base>
</constraint>
</constraint>
</mapping>
</mapping>
</mapping>
</element>
<definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
</base>
</extension>
</type>
</mapping>
</element>
</discriminator>
</slicing>
<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." />
</base>
</type>
</constraint>
</constraint>
</mapping>
</element>
<definition value="The value of the measured amount. The value includes an implicit precision in the presentation of the value." />
<comment value="The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books)." />
</base>
</type>
</constraint>
</mapping>
</mapping>
</element>
<definition value="How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is "<" , then the real value is < stated value." />
<requirements value="Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology." />
</base>
</type>
<meaningWhenMissing value="If there is no comparator, then there is no modification of the value" />
</constraint>
<isModifierReason value="This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value" />
</extension>
</binding>
</mapping>
</mapping>
</element>
</extension>
<requirements value="There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms." />
</base>
</type>
</constraint>
</mapping>
</mapping>
</element>
</extension>
</extension>
</extension>
</extension>
<valueMarkdown value="P-Care server population, persistence, and acceptance requirements for this element." />
</extension>
</extension>
<valueCanonical value="http://fhir.infoway-inforoute.ca/p-care/StructureDefinition/quantity|0.1.0" />
</extension>
</extension>
</base>
</type>
</constraint>
</mapping>
</mapping>
</element>
</extension>
</extension>
</extension>
</extension>
<valueMarkdown value="P-Care server population, persistence, and acceptance requirements for this element." />
</extension>
</extension>
<valueCanonical value="http://fhir.infoway-inforoute.ca/p-care/StructureDefinition/quantity|0.1.0" />
</extension>
</extension>
<comment value="The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system." />
<requirements value="Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest." />
</base>
</type>
</constraint>
</mapping>
</mapping>
</element>
</snapshot>
</extension>
</extension>
</extension>
</extension>
<valueMarkdown value="P-Care server population, persistence, and acceptance requirements for this element." />
</extension>
</extension>
</extension>
</element>
</extension>
</extension>
</extension>
</extension>
<valueMarkdown value="P-Care server population, persistence, and acceptance requirements for this element." />
</extension>
</extension>
</extension>
</element>
</differential>
</StructureDefinition>
{
--- We have skipped the narrative for better readability of the resource ---
},
{
},
{
}
],
{
}
],
{
"definition": "A measured amount (or an amount that can potentially be measured). Note that measured amounts include amounts that are not precisely quantified, including amounts involving arbitrary units and floating currencies.",
"comment": "The context of use may frequently define what kind of quantity this is and therefore what kind of units can be used. The context of use may also restrict the values for the comparator.",
},
"ele-1"
],
{
},
{
}
],
{
},
{
},
{
}
]
},
{
"xmlAttr"
],
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
},
{
{
}
],
}
],
]
},
{
],
},
"definition": "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": "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.",
"extensions",
"user content"
],
},
],
{
},
{
}
],
]
},
{
"definition": "The value of the measured amount. The value includes an implicit precision in the presentation of the value.",
"comment": "The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).",
},
],
{
}
],
{
},
{
}
]
},
{
"definition": "How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is \"<\" , then the real value is < stated value.",
"requirements": "Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.",
},
],
{
}
],
"isModifierReason": "This is labeled as \"Is Modifier\" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value",
{
}
],
},
]
},
{
{
}
],
"requirements": "There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.",
},
],
{
}
],
]
},
{
{
{
},
{
},
{
},
{
},
{
"valueMarkdown": "P-Care server population, persistence, and acceptance requirements for this element."
},
{
},
{
}
],
}
],
},
],
"qty-3"
],
{
}
],
{
},
{
}
]
},
{
{
{
},
{
},
{
},
{
},
{
"valueMarkdown": "P-Care server population, persistence, and acceptance requirements for this element."
},
{
},
{
}
],
}
],
"comment": "The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.",
"requirements": "Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.",
},
],
{
}
],
{
},
{
}
]
}
]
},
{
{
{
},
{
},
{
},
{
},
{
"valueMarkdown": "P-Care server population, persistence, and acceptance requirements for this element."
},
{
}
],
}
],
},
{
{
{
},
{
},
{
},
{
},
{
"valueMarkdown": "P-Care server population, persistence, and acceptance requirements for this element."
},
{
}
],
}
],
}
]
}
}
Constraints
Obligations
| Element | Actor | Code |
|---|---|---|
| code | http://fhir.infoway-inforoute.ca/p-care/ActorDefinition/pcare-server | SHALL:populate, SHOULD:persist, SHALL:no-error |
| system | http://fhir.infoway-inforoute.ca/p-care/ActorDefinition/pcare-server | SHALL:populate, SHOULD:persist, SHALL:no-error |
Terminology bindings (Differential)
Terminology bindings (Snapshot)
| Path | Conformance | ValueSet |
|---|---|---|
| Quantity.comparator | required | http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 |