- FHIR Quantity Data Type
- Electronic Health Records Exchange Through FHIR
- Medical Terminology
- Processes Data
- Processes Information
- Processes Documentation
- Health Information Exchange
- Electronic Health Records
- FHIR Smart
- Smart on FHIR
Quantity in FHIR (Fast Healthcare Interoperability Resources) is a measured amount (or an amount that can potentially be measured). This data type can be bound to a value set.
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The value contains the numerical value of the quantity, including an implicit precision. If no comparator is specified, the value is a point value (i.e. ‘=’). The comparator element can never be ignored. The unit element contains a displayable unit that defines what is measured. The unit may additionally be coded in some formal way using the code and the system.
If the unit can be coded in UCUM (Unified Code for Units of Measure) and a code is provided, it should be a UCUM code. If a UCUM unit is provided in the code, then a canonical value can be generated for purposes of comparison between quantities. It is to be noted that the unit element will often contain text that is a valid UCUM unit, but it cannot be assumed that the unit actually contains a valid UCUM unit.
Fast Healthcare Interoperability Resources (FHIR) is a draft standard describing data formats and elements (known as “resources”) and an application programming interface (API) for exchanging electronic health records. The standard was created by the Health Level Seven International (HL7) health-care standards organization.
Its goal is to facilitate interoperation between legacy healthcare systems, to make it easy to provide healthcare information to healthcare providers and individuals on a wide variety of devices from computers to tablets to cell phones, and to allow third-party application developers to provide medical applications which can be easily integrated into existing systems.
FHIR provides an alternative to document-centric approaches by directly exposing discrete data elements as services. For example, basic elements of healthcare like patients, admissions, diagnostic reports and medications can each be retrieved and manipulated via their own resource URLs (Uniform Resource Locators). FHIR was supported at an American Medical Informatics Association meeting by many EHR (Electronic Health Record) vendors which value its open and extensible nature.
About this Dataset
John Snow Labs; Health Level Seven International;
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FHIR, HL7, Medical Terminology, Processes Data, Processes Information, Processes Documentation, Health Information Exchange, Electronic Health Records, FHIR Smart, Smart on FHIR
FHIR Quantity Data Type, Electronic Health Records Exchange Through FHIR
|Concept_Name||Name of the concept in the FHIR structure||string||required : 1|
|Computer_Ready_Name||A Computer-ready name (e.g. a token) that identifies the structure - suitable for code generation. Note that this name (and other names relevant for code generation, including element & slice names, codes etc) may collide with reserved words in the relevant target language, and code generators will need to handle this.||string||-|
|Type||The type the structure describes.||string||-|
|Description||A free text natural language description of the structure and its use||string||-|
|Items||The value of the keyword should be an object or an array of objects. If the keyword value is an object, then for the data array to be valid each item of the array should be valid according to the schema in this value.||string||-|
|Enum||The enum is used to restrict a value to a fixed set of values. It must be an array with at least one element, where each element is unique.||string||-|
|Concept Name||Computer Ready Name||Type||Dollar Ref||Description||Items||Enum|
|Quantity||id||#/definitions/string||Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.|
|Quantity||extension||array||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 managable|
|Quantity||value||#/definitions/decimal||The value of the measured amount. The value includes an implicit precision in the presentation of the value.|
|Quantity||_value||#/definitions/Element||Extensions for value|
|Quantity||comparator||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 "<"|
|Quantity||_comparator||#/definitions/Element||Extensions for comparator|
|Quantity||unit||#/definitions/string||A human-readable form of the unit.|
|Quantity||_unit||#/definitions/Element||Extensions for unit|
|Quantity||system||#/definitions/uri||The identification of the system that provides the coded form of the unit.|
|Quantity||_system||#/definitions/Element||Extensions for system|