<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="nucleotide-terminus"/>
  <meta>
    <lastUpdated value="2026-06-23T16:20:19.822+00:00"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p class="res-header-id">
        <b>Generated Narrative: CodeSystem nucleotide-terminus</b>
      </p>
      <a name="nucleotide-terminus"> </a>
      <a name="hcnucleotide-terminus"> </a>
      <p>This case-sensitive code system 
        <code>http://hl7.org/fhir/nucleotide-terminus</code> defines the following codes:
      </p>
      <table class="codes">
        <tr>
          <td style="white-space:nowrap">
            <b>Code</b>
          </td>
          <td>
            <b>Display</b>
          </td>
          <td>
            <b>Definition</b>
          </td>
        </tr>
        <tr>
          <td style="white-space:nowrap">A
            <a name="nucleotide-terminus-A"> </a>
          </td>
          <td>Adenosine</td>
          <td>Adenosine (A).</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">T
            <a name="nucleotide-terminus-T"> </a>
          </td>
          <td>Thymidine</td>
          <td>Thymidine (T).</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">C
            <a name="nucleotide-terminus-C"> </a>
          </td>
          <td>Cytidine</td>
          <td>Cytidine (C).</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">G
            <a name="nucleotide-terminus-G"> </a>
          </td>
          <td>Guanosine</td>
          <td>Guanosine (G).</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">U
            <a name="nucleotide-terminus-U"> </a>
          </td>
          <td>Uridine</td>
          <td>Uridine (U).</td>
        </tr>
      </table>
    </div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="brr"/>
  </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="1"/>
  </extension>
  <url value="http://hl7.org/fhir/nucleotide-terminus"/>
  <version value="6.0.0-ballot4"/>
  <name value="NucleotideTerminusExample"/>
  <title value="Nucleotide Terminus"/>
  <status value="active"/>
  <experimental value="true"/>
  <date value="2026-06-19"/>
  <publisher value="HL7 (FHIR Project)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <description value="The nucleotide present at a sequence terminus (5′ or 3′)."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/nucleotide-terminus"/>
  <content value="complete"/>
  <concept>
    <code value="A"/>
    <display value="Adenosine"/>
    <definition value="Adenosine (A)."/>
  </concept>
  <concept>
    <code value="T"/>
    <display value="Thymidine"/>
    <definition value="Thymidine (T)."/>
  </concept>
  <concept>
    <code value="C"/>
    <display value="Cytidine"/>
    <definition value="Cytidine (C)."/>
  </concept>
  <concept>
    <code value="G"/>
    <display value="Guanosine"/>
    <definition value="Guanosine (G)."/>
  </concept>
  <concept>
    <code value="U"/>
    <display value="Uridine"/>
    <definition value="Uridine (U)."/>
  </concept>
</CodeSystem>