This page is part of the FHIR Specification (v0.4.0: DSTU 2 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
Variant allelic state
<ExtensionDefinition xmlns="http://hl7.org/fhir"> <id value="ProfilegeneticsAllelicState"/> <url value="http://hl7.org/fhir/ProfilegeneticsAllelicState"/> <name value="Variant allelic state"/> <publisher value="Mollie Ullman-Cullere"/> <contact> <telecom> <system value="url"/> <value value="mullmancullere@partners.org"/> </telecom> </contact> <description value="The level of occurrence of a single DNA Sequence Variation. Heterozygous:Variation present in one of the two genes of homologous chromosomes, while Homozygous means that it is present in both genes. Hemizygous: Variation exists in the only single copy of a gene in a non-homologous chromosome (i.e. male X and Y chromosome). Hemiplasmic indicates that the DNA Sequence Variation is present in some but not all of the copies of mitochondrial DNA. Homoplasmic: Variation is present in all of the copies of mitochondrial DNA. LOINC Answer List values 53034-5."/> <status value="draft"/> <date value="2014-12-07"/> <contextType value="resource"/> <context value="Observation"/> <element> <path value="Extension"/> <short value="Variant allelic state"/> <definition value="The level of occurrence of a single DNA Sequence Variation. Heterozygous:Variation present in one of the two genes of homologous chromosomes, while Homozygous means that it is present in both genes. Hemizygous: Variation exists in the only single copy of a gene in a non-homologous chromosome (i.e. male X and Y chromosome). Hemiplasmic indicates that the DNA Sequence Variation is present in some but not all of the copies of mitochondrial DNA. Homoplasmic: Variation is present in all of the copies of mitochondrial DNA. LOINC Answer List values 53034-5."/> <min value="0"/> <max value="1"/> <type> <code value="string"/> </type> </element> </ExtensionDefinition>
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.