HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v6.0.2: Release) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

: Pharmacogene Variation - XML Representation

Active as of 2024-04-29

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="PharmVar"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem PharmVar</b></p><a name="PharmVar"> </a><a name="hcPharmVar"> </a><a name="PharmVar-en-US"> </a><p>This case-sensitive code system <code>http://www.pharmvar.org</code> defines codes, but no codes are represented here</p></div>
  </text>
  <url value="http://www.pharmvar.org"/>
  <version value="1.0.0"/>
  <name value="PharmVar"/>
  <title value="Pharmacogene Variation"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2024-04-29T00:00:00-00:00"/>
  <publisher value="Pharmacogene Variation Consortium"/>
  <contact>
    <name value="Pharmacogene Variation Consortium"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.pharmvar.org/"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="submissions@PharmVar.org"/>
    </telecom>
  </contact>
  <description
               value="&quot;The major focus of the Pharmacogene Consortium (PharmVar) is to serve as a repository for allelic variation, providing an official and unified allele designation system for the Pharmacogenetics (PGx) community and facilitating the translation of genotype into phenotype and clinical implementation of PGx. While the majority of pharmacogenes in PharmVar utilize the star nomenclature to describe variation, the provision of single nucleotide variants (SNVs), rather than haplotype, is preferred for some genes. Thus, PharmVar has two different page formats, A) using star nomenclature and B) using rs ID# as allele (referred to as ‘rs-format’).

PharmVar designates human pharmacogene variation and houses allelic variants in the PharmVar database.

* All submissions to PharmVar must use the submission form available on [www.PharmVar.org](https://www.pharmvar.org/) and be submitted to [submissions@PharmVar.org](mailto:submissions@PharmVar.org). Only complete submission requests will be accepted and processed.

* PharmVar Gene Expert Panels will review each submission and make a recommendation to the PharmVar Steering Committee.

* In this ‘Allele Designation Criteria and Evidence level’ document, we collectively refer to deviations from the RefSeq as “sequence variations” or &quot;SNVs&quot;, including single nucleotide polymorphisms (SNPs) and small nucleotide insertions and deletions (indels) up to 50 bp. Copy number variants (i.e. entire or partial gene deletions and duplications), hybrid genes (e.g. CYP2D6/2D7 hybrids) and duplications containing non-identical gene copies (e.g. CYP2D6\*36+\*10) are referred to as CNVs or structural variants.

* PharmVar applies the following criteria for allele designation. In rare cases, exceptions may be made to accommodate established star allele definitions to minimize impact on research, clinical labs and/or PGx implementation.&quot;

PharmVar is released monthly (or more frequently) and uses a numbered database version format for each release.

Note on updates to variants: The variants defined in association with a given PharmVar ID are immutable. When it is necessary to update the variant definitions for an associated concept, the existing allele and PharmVar ID are marked as &quot;retired&quot; and a new PharmVar ID is issued with the updated variant definitions.

In the context of the representation of PharmVar in HL7 standards:

* The concept identifier is the PharmVar ID

* The concept display name is the Allele Name

* There are several concept properties associated with PharmVar concepts (Legacy Label, Variants, etc.)

* The code system is represented with an is-a hierarchy"/>
  <copyright
             value="The PharmVar database content is licensed under a [Creative Commons Attribution-ShareAlike 4.0 International license](https://creativecommons.org/licenses/by-sa/4.0/) that allows for the sharing and adaptation of our information with proper attribution.

See [https://www.pharmvar.org/terms-and-conditions](https://www.pharmvar.org/terms-and-conditions) for Terms and Conditions."/>
  <caseSensitive value="true"/>
  <content value="not-present"/>
</CodeSystem>