STU3 Candidate

This page is part of the FHIR Specification (v1.8.0: STU 3 Draft). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see the Directory of published versions

Extension: Allele frequency

(No assigned work group)

Maturity Level : 0

Context: Any

URL for this extension:


http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency

Status: draft. Extension maintained by: Health Level Seven International (Clinical Genomics)

A physical quality which inheres to the allele by virtue of the number instances of the allele within a population. LONIC Code: ( 81258-6 ).

Context of Use: Use on element: Observation

usage info: insert a list of places where this extension is used

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	decimal	URL = http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency Allele frequency: A physical quality which inheres to the allele by virtue of the number instances of the allele within a population. LONIC Code: ([81258-6](http://loinc.org/81258-6)). Use on element: Observation
Documentation for this format

Fulle Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency Allele frequency: A physical quality which inheres to the allele by virtue of the number instances of the allele within a population. LONIC Code: ([81258-6](http://loinc.org/81258-6)). Use on element: Observation
extension	0 .. 0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency"
valueDecimal	1..1	decimal	Value of extension
Documentation for this format

XML Template

<!-- Allele frequency -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency" >
  <!-- from Element: extension -->
 <valueDecimal value="[decimal]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // Allele frequency
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency", // R! 
    "valueDecimal" : <decimal> // R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	decimal	URL = http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency Allele frequency: A physical quality which inheres to the allele by virtue of the number instances of the allele within a population. LONIC Code: ([81258-6](http://loinc.org/81258-6)). Use on element: Observation
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency Allele frequency: A physical quality which inheres to the allele by virtue of the number instances of the allele within a population. LONIC Code: ([81258-6](http://loinc.org/81258-6)). Use on element: Observation
extension	0 .. 0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency"
valueDecimal	1..1	decimal	Value of extension
Documentation for this format

XML Template

<!-- Allele frequency -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency" >
  <!-- from Element: extension -->
 <valueDecimal value="[decimal]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // Allele frequency
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/observation-geneticsAllelicFrequency", // R! 
    "valueDecimal" : <decimal> // R! Value of extension
  }

Constraints

ele-1 : All FHIR elements must have a @value or children (xpath: @value|f:*|h:div )
ext-1 : Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]) )