NPU Terminology IG
1.0.0 - ci-build International flag

NPU Terminology IG, published by Danish National eHealth Authority. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/danka74/npu-terminology/ and changes regularly. See the Directory of published versions

: NPU Terminology Code System - XML Representation

Active as of 2025-10-13

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="npu-terminology"/>
  <language value="en-GB"/>
  <text>
    <status value="empty"/>
    <div xml:lang="en-GB" xmlns="http://www.w3.org/1999/xhtml" lang="en-GB">Concepts not shown due to size of code system.</div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/codesystem-use-markdown">
    <valueBoolean value="false"/>
  </extension>
  <url value="http://npu-terminology.org"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:1.2.208.176.9.1"/>
  </identifier>
  <version value="1.0.0"/>
  <name value="NPUTerminology"/>
  <title value="NPU Terminology Code System"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2025-10-13T18:32:14+00:00"/>
  <publisher value="Danish National eHealth Authority"/>
  <contact>
    <name value="Danish National eHealth Authority"/>
    <telecom>
      <system value="url"/>
      <value value="http://npu-terminology.org"/>
    </telecom>
  </contact>
  <description
               value="NPU Terminology International edition Code System. Generated from testdata/npu_test_data.xml on 2025-06-07 22:08"/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <copyright
             value="The ownership and intellectual property rights of NPU terminology are shared between the International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) (www.ifcc.org) and the International Union of Pure and Applied Chemistry (IUPAC) (www.iupac.org)."/>
  <caseSensitive value="true"/>
  <valueSet value="http://npu-terminology.org/fhir/ValueSet/NPUFull"/>
  <compositional value="false"/>
  <versionNeeded value="false"/>
  <content value="complete"/>
  <count value="15"/>
  <property>
    <code value="created_date"/>
    <uri value="http://npu-terminology.org/property#created_date"/>
    <description value="The date when the NPU code was created"/>
    <type value="dateTime"/>
  </property>
  <property>
    <code value="change_date"/>
    <uri value="http://npu-terminology.org/property#change_date"/>
    <description value="The date when the NPU code was last changed"/>
    <type value="dateTime"/>
  </property>
  <property>
    <code value="status"/>
    <uri value="http://hl7.org/fhir/concept-properties#status"/>
    <description
                 value="A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired"/>
    <type value="code"/>
  </property>
  <property>
    <code value="inactive"/>
    <uri value="http://hl7.org/fhir/concept-properties#inactive"/>
    <description
                 value="True if the concept is not considered active - e.g. not a valid concept any more. Property type is boolean, default value is false"/>
    <type value="boolean"/>
  </property>
  <property>
    <code value="system"/>
    <uri value="http://npu-terminology.org/property#system"/>
    <description value="The system of the the NPU concept"/>
    <type value="string"/>
  </property>
  <property>
    <code value="sys_spec"/>
    <uri value="http://npu-terminology.org/property#sys_spec"/>
    <description value="The system specification of the NPU concept"/>
    <type value="string"/>
  </property>
  <property>
    <code value="component"/>
    <uri value="http://npu-terminology.org/property#component"/>
    <description value="The component of the NPU concept"/>
    <type value="string"/>
  </property>
  <property>
    <code value="comp_spec"/>
    <uri value="http://npu-terminology.org/property#comp_spec"/>
    <description value="The component specification of the NPU concept"/>
    <type value="string"/>
  </property>
  <property>
    <code value="kind_of_property"/>
    <uri value="http://npu-terminology.org/property#kind_of_property"/>
    <description value="The kind of property of the NPU concept"/>
    <type value="string"/>
  </property>
  <property>
    <code value="proc"/>
    <uri value="http://npu-terminology.org/property#proc"/>
    <description value="The procedure associated with the NPU concept"/>
    <type value="string"/>
  </property>
  <property>
    <code value="unit"/>
    <uri value="http://npu-terminology.org/property#unit"/>
    <description value="The unit of measurement for the NPU concept"/>
    <type value="string"/>
  </property>
  <property>
    <code value="specialty"/>
    <uri value="http://npu-terminology.org/property#specialty"/>
    <description value="The specialty associated with the NPU concept"/>
    <type value="string"/>
  </property>
  <property>
    <code value="context_dependent"/>
    <uri value="http://npu-terminology.org/property#context_dependent"/>
    <description value="Indicates if the NPU concept is context dependent"/>
    <type value="boolean"/>
  </property>
  <property>
    <code value="scale_type"/>
    <uri value="http://npu-terminology.org/property#scale_type"/>
    <description value="The scale type of the NPU concept"/>
    <type value="string"/>
  </property>
  <property>
    <code value="replaces"/>
    <uri value="http://npu-terminology.org/property#replaces"/>
    <description value="The retired NPU concept that this concept replaces"/>
    <type value="string"/>
  </property>
  <concept>
    <code value="NPU01001"/>
    <display value="U—Acebutolol; arb.c.(IOC Screen; 0 1) = ?"/>
    <definition
                value="Urine—Acebutolol; arbitrary concentration(IOC Screen; 0 1) = ?"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="2021-10-21T16:19:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="retired"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="true"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Urine"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acebutolol"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="arbitrary concentration"/>
    </property>
    <property>
      <code value="proc"/>
      <valueString value="IOC Screen; 0 1"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLP"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ordinal"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01002"/>
    <display value="U—Acebutolol; arb.c.(IOC Confirm; 0 1) = ?"/>
    <definition
                value="Urine—Acebutolol; arbitrary concentration(IOC Confirm; 0 1) = ?"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="2008-05-30T02:00:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="retired"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="true"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Urine"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acebutolol"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="arbitrary concentration"/>
    </property>
    <property>
      <code value="proc"/>
      <valueString value="IOC Confirm; 0 1"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLP"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ordinal"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01003"/>
    <display value="U—Acebutolol; subst.c. = ? µmol/L"/>
    <definition
                value="Urine—Acebutolol; substance concentration = ? micromole per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1997-04-22T02:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="1997-04-22T02:00:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Urine"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acebutolol"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="substance concentration"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="micromole per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLP"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01004"/>
    <display value="P—Acepromazine; subst.c. = ? µmol/L"/>
    <definition
                value="Plasma—Acepromazine; substance concentration = ? micromole per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Plasma"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acepromazine"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="substance concentration"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="micromole per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLP"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01005"/>
    <display value="B—Acetaldehyde; subst.c. = ? µmol/L"/>
    <definition
                value="Blood—Acetaldehyde; substance concentration = ? micromole per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Blood"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acetaldehyde"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="substance concentration"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="micromole per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLC"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01006"/>
    <display value="U—Acetaldehyde; subst.c. = ? µmol/L"/>
    <definition
                value="Urine—Acetaldehyde; substance concentration = ? micromole per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Urine"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acetaldehyde"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="substance concentration"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="micromole per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLC"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01007"/>
    <display value="U—Acetazolamide; arb.c.(IOC Screen; 0 1) = ?"/>
    <definition
                value="Urine—Acetazolamide; arbitrary concentration(IOC Screen; 0 1) = ?"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="2021-10-21T16:19:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="retired"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="true"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Urine"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acetazolamide"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="arbitrary concentration"/>
    </property>
    <property>
      <code value="proc"/>
      <valueString value="IOC Screen; 0 1"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLP"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ordinal"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01008"/>
    <display value="U—Acetazolamide; arb.c.(IOC Confirm; 0 1) = ?"/>
    <definition
                value="Urine—Acetazolamide; arbitrary concentration(IOC Confirm; 0 1) = ?"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="2008-05-14T02:00:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="retired"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="true"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Urine"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acetazolamide"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="arbitrary concentration"/>
    </property>
    <property>
      <code value="proc"/>
      <valueString value="IOC Confirm; 0 1"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLP"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ordinal"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01009"/>
    <display value="U—Acetazolamide; subst.c. = ? µmol/L"/>
    <definition
                value="Urine—Acetazolamide; substance concentration = ? micromole per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Urine"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acetazolamide"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="substance concentration"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="micromole per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLP"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01010"/>
    <display value="Csf—Acetoacetate; subst.c. = ? mmol/L"/>
    <definition
                value="Cerebrospinal fluid—Acetoacetate; substance concentration = ? millimole per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-09-02T02:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="1996-09-02T02:00:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Cerebrospinal fluid"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acetoacetate"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="substance concentration"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="millimole per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLC"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01011"/>
    <display value="P—Acetoacetate; subst.c. = ? mmol/L"/>
    <definition
                value="Plasma—Acetoacetate; substance concentration = ? millimole per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-09-02T02:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="1996-09-02T02:00:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Plasma"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acetoacetate"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="substance concentration"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="millimole per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLC"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01012"/>
    <display value="U—Acetoacetate; subst.c.(pauciscale;proc.) = ? mmol/L"/>
    <definition
                value="Urine—Acetoacetate; substance concentration(pauciscale;procedure) = ? millimole per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-09-02T02:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="2021-10-25T13:19:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="retired"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="true"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Urine"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Acetoacetate"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="substance concentration"/>
    </property>
    <property>
      <code value="proc"/>
      <valueString value="pauciscale; procedure"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="millimole per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLC"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU01013"/>
    <display
             value="P—Alkaline phosphatase, liver type; cat.c.(37 °C;proc.) = ? µkat/L"/>
    <definition
                value="Plasma—Alkaline phosphatase, liver type; catalytic-activity concentration(37 °C;procedure) = ? microkatal per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1997-10-14T02:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="2016-11-23T14:58:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Plasma"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Alkaline phosphatase, liver type"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="catalytic-activity concentration"/>
    </property>
    <property>
      <code value="proc"/>
      <valueString value="37 °C; procedure"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="microkatal per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="CLC"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU03827"/>
    <display
             value="P—Fibrinopeptide B[beta](1-42); subst.c.(imm.;proc.) = ? nmol/L"/>
    <definition
                value="Plasma—Fibrinopeptide B[beta](1-42); substance concentration(immunological;procedure) = ? nanomole per litre"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="1996-01-01T01:00:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="2017-01-10T14:30:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Plasma"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="Fibrinopeptide B[beta](1-42)"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="substance concentration"/>
    </property>
    <property>
      <code value="proc"/>
      <valueString value="immunological; procedure"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="nanomole per litre"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="TAH"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
  <concept>
    <code value="NPU63222"/>
    <display value="Lymcs(Marrow)—T-lymphocytes(CD4+); num.fr. = ? %"/>
    <definition
                value="Lymphocytes(Bone marrow)—T-lymphocytes(CD4+); number fraction = ? 10&lt;sup&gt;-2&lt;/sup&gt;"/>
    <property>
      <code value="created_date"/>
      <valueDateTime value="2025-05-09T10:54:00Z"/>
    </property>
    <property>
      <code value="change_date"/>
      <valueDateTime value="2025-05-09T10:54:00Z"/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="inactive"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="system"/>
      <valueString value="Lymphocytes"/>
    </property>
    <property>
      <code value="sys_spec"/>
      <valueString value="Bone marrow"/>
    </property>
    <property>
      <code value="component"/>
      <valueString value="T-lymphocytes"/>
    </property>
    <property>
      <code value="comp_spec"/>
      <valueString value="CD4+"/>
    </property>
    <property>
      <code value="kind_of_property"/>
      <valueString value="number fraction"/>
    </property>
    <property>
      <code value="unit"/>
      <valueString value="10&lt;sup&gt;-2&lt;/sup&gt;"/>
    </property>
    <property>
      <code value="specialty"/>
      <valueString value="IMM"/>
    </property>
    <property>
      <code value="context_dependent"/>
      <valueBoolean value="false"/>
    </property>
    <property>
      <code value="scale_type"/>
      <valueString value="Ratio"/>
    </property>
  </concept>
</CodeSystem>