Clinical Genomics Resource Incubator, published by HL7 International / Clinical Genomics. This guide is not an authorized publication; it is the continuous build for version 0.1.0-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cg-incubator/ and changes regularly. See the Directory of published versions

• Narrative Content
• XML
• JSON
• TTL

: Nucleotide DNA 1-letter Unambiguous Symbols Including N ValueSet

Raw xml | Download

<ValueSet xmlns="http://hl7.org/fhir">
  <id value="nucleotide-dna-1letter-with-n"/>
  <meta>
    <lastUpdated value="2026-03-23T00:00:00Z"/>
    <profile
             value="http://hl7.org/fhir/StructureDefinition/shareablevalueset"/>
  </meta>
  <language value="en"/>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: ValueSet nucleotide-dna-1letter-with-n</b></p><a name="nucleotide-dna-1letter-with-n"> </a><a name="hcnucleotide-dna-1letter-with-n"> </a><div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px">Last updated: 2026-03-23 00:00:00+0000</p><p style="margin-bottom: 0px">Profile: <a href="http://hl7.org/fhir/R5/shareablevalueset.html">Shareable ValueSet</a></p></div><ul><li>Include these codes as defined in <a href="CodeSystem-nucleotide-dna.html"><code>http://hl7.org/fhir/uv/cg-incubator/CodeSystem/nucleotide-dna</code></a><span title="Version is not explicitly stated, which means it is fixed to the version provided in this specification"> version &#x1F4E6;0.1.0-ci-build</span><table class="none"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td><a href="CodeSystem-nucleotide-dna.html#nucleotide-dna-G">G</a></td><td style="color: #cccccc">Guanine</td><td>G</td></tr><tr><td><a href="CodeSystem-nucleotide-dna.html#nucleotide-dna-A">A</a></td><td style="color: #cccccc">Adenine</td><td>A</td></tr><tr><td><a href="CodeSystem-nucleotide-dna.html#nucleotide-dna-T">T</a></td><td style="color: #cccccc">Thymine</td><td>T</td></tr><tr><td><a href="CodeSystem-nucleotide-dna.html#nucleotide-dna-C">C</a></td><td style="color: #cccccc">Cytosine</td><td>C</td></tr><tr><td><a href="CodeSystem-nucleotide-dna.html#nucleotide-dna-N">N</a></td><td style="color: #cccccc">Any nucleotide</td><td>G or A or T or C</td></tr></table></li></ul></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="cg"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="informative"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="0"/>
  </extension>
  <url
       value="http://hl7.org/fhir/uv/cg-incubator/ValueSet/nucleotide-dna-1letter-with-n"/>
  <version value="0.1.0-ci-build"/>
  <name value="NucleotideDNA1LetterWithN"/>
  <title
         value="Nucleotide DNA 1-letter Unambiguous Symbols Including N ValueSet"/>
  <status value="draft"/>
  <experimental value="true"/>
  <date value="2026-03-23"/>
  <publisher value="HL7 International / Clinical Genomics"/>
  <contact>
    <name value="HL7 International / Clinical Genomics"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/clingenomics"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="clingenomics@lists.hl7.org"/>
    </telecom>
  </contact>
  <description
               value="Single-letter unambiguous symbols for DNA residues, including N for any nucleotide (G, A, T, C, N)."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <compose>
    <include>
      <system
              value="http://hl7.org/fhir/uv/cg-incubator/CodeSystem/nucleotide-dna"/>
      <concept>
        <code value="G"/>
      </concept>
      <concept>
        <code value="A"/>
      </concept>
      <concept>
        <code value="T"/>
      </concept>
      <concept>
        <code value="C"/>
      </concept>
      <concept>
        <code value="N"/>
      </concept>
    </include>
  </compose>
</ValueSet>