FHIR Extensions Pack
5.3.0-ballot-tc1 - (September 2025 Ballot) International flag

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.3.0-ballot-tc1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

: Medication Classification Type - XML Representation

Page standards status: Trial-use Maturity Level: 1

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="medication-classification-type"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem medication-classification-type</b></p><a name="medication-classification-type"> </a><a name="hcmedication-classification-type"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/medication-classification-type</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">anatomical<a name="medication-classification-type-anatomical"> </a></td><td>Anatomical Class</td><td>Classification by anatomical main group or body system on which the medication acts (e.g., cardiovascular system, alimentary tract). Codes may be drawn from any suitable coding system, such as the anatomical levels of WHO ATC.</td></tr><tr><td style="white-space:nowrap">therapeutic<a name="medication-classification-type-therapeutic"> </a></td><td>Therapeutic Class</td><td>Classification based on the therapeutic use of the medication (e.g., antihypertensive, analgesic).</td></tr><tr><td style="white-space:nowrap">pharmacologic<a name="medication-classification-type-pharmacologic"> </a></td><td>Pharmacologic Class</td><td>Classification based on the pharmacologic action of the medication (e.g., beta-blocker, ACE inhibitor).</td></tr><tr><td style="white-space:nowrap">moa<a name="medication-classification-type-moa"> </a></td><td>Mechanism of Action</td><td>Classification based on the mechanism by which the medication exerts its effect.</td></tr><tr><td style="white-space:nowrap">chemical<a name="medication-classification-type-chemical"> </a></td><td>Chemical Structure Class</td><td>Classification based on the chemical structure of the medication (e.g., benzodiazepine, statin).</td></tr><tr><td style="white-space:nowrap">regulatory<a name="medication-classification-type-regulatory"> </a></td><td>Regulatory Classification</td><td>Classification assigned by a regulatory authority (e.g., prescription-only, orphan drug designation, biosimilar status).</td></tr><tr><td style="white-space:nowrap">controlled-substance<a name="medication-classification-type-controlled-substance"> </a></td><td>Controlled Substance Schedule</td><td>Classification under a controlled-substance scheduling scheme (e.g., DEA schedules, narcotic/psychotropic classification).</td></tr><tr><td style="white-space:nowrap">legal-status<a name="medication-classification-type-legal-status"> </a></td><td>Legal/Marketing Status</td><td>Classification by legal or marketing status (e.g., prescription-only, over-the-counter, behind-the-counter).</td></tr><tr><td style="white-space:nowrap">reimbursement<a name="medication-classification-type-reimbursement"> </a></td><td>Reimbursement/Formulary Class</td><td>Classification used for reimbursement or formulary management (e.g., tier, formulary group).</td></tr><tr><td style="white-space:nowrap">essential-medicines<a name="medication-classification-type-essential-medicines"> </a></td><td>Essential Medicines List</td><td>Inclusion on a public-health essential-medicines list (e.g., the WHO Model List of Essential Medicines).</td></tr></table></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="phx"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use"/>
  </extension>
  <url value="http://hl7.org/fhir/medication-classification-type"/>
  <version value="5.3.0-ballot-tc1"/>
  <name value="MedicationClassificationType"/>
  <title value="Medication Classification Type"/>
  <status value="active"/>
  <experimental value="true"/>
  <date value="2026-04-13"/>
  <publisher value="HL7 International / Pharmacy"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/medication"/>
    </telecom>
  </contact>
  <description
               value="Example codes for kinds of classification scheme used to classify a medication (therapeutic, pharmacologic, regulatory, etc.). Provided as an illustrative set; implementers may use any appropriate code system."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <concept>
    <code value="anatomical"/>
    <display value="Anatomical Class"/>
    <definition
                value="Classification by anatomical main group or body system on which the medication acts (e.g., cardiovascular system, alimentary tract). Codes may be drawn from any suitable coding system, such as the anatomical levels of WHO ATC."/>
  </concept>
  <concept>
    <code value="therapeutic"/>
    <display value="Therapeutic Class"/>
    <definition
                value="Classification based on the therapeutic use of the medication (e.g., antihypertensive, analgesic)."/>
  </concept>
  <concept>
    <code value="pharmacologic"/>
    <display value="Pharmacologic Class"/>
    <definition
                value="Classification based on the pharmacologic action of the medication (e.g., beta-blocker, ACE inhibitor)."/>
  </concept>
  <concept>
    <code value="moa"/>
    <display value="Mechanism of Action"/>
    <definition
                value="Classification based on the mechanism by which the medication exerts its effect."/>
  </concept>
  <concept>
    <code value="chemical"/>
    <display value="Chemical Structure Class"/>
    <definition
                value="Classification based on the chemical structure of the medication (e.g., benzodiazepine, statin)."/>
  </concept>
  <concept>
    <code value="regulatory"/>
    <display value="Regulatory Classification"/>
    <definition
                value="Classification assigned by a regulatory authority (e.g., prescription-only, orphan drug designation, biosimilar status)."/>
  </concept>
  <concept>
    <code value="controlled-substance"/>
    <display value="Controlled Substance Schedule"/>
    <definition
                value="Classification under a controlled-substance scheduling scheme (e.g., DEA schedules, narcotic/psychotropic classification)."/>
  </concept>
  <concept>
    <code value="legal-status"/>
    <display value="Legal/Marketing Status"/>
    <definition
                value="Classification by legal or marketing status (e.g., prescription-only, over-the-counter, behind-the-counter)."/>
  </concept>
  <concept>
    <code value="reimbursement"/>
    <display value="Reimbursement/Formulary Class"/>
    <definition
                value="Classification used for reimbursement or formulary management (e.g., tier, formulary group)."/>
  </concept>
  <concept>
    <code value="essential-medicines"/>
    <display value="Essential Medicines List"/>
    <definition
                value="Inclusion on a public-health essential-medicines list (e.g., the WHO Model List of Essential Medicines)."/>
  </concept>
</CodeSystem>