HL7 Electronic Health Record System Functional Model, Release 2.1.1
2.1.1-ballot - Normative Ballot

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## : CP.4.2.2 Patient-Specific Medication Dosing and Warnings (Function) - XML Representation

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    <Requirements xmlns="http://hl7.org/fhir">
      <id value="EHRSFMR2-CP.4.2.2"/>
      <meta>
        <profile
                 value="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/FMFunction"/>
      </meta>
      <text>
        <status value="extensions"/>
        <div xmlns="http://www.w3.org/1999/xhtml">
        <span id="description"><b>Statement <a href="https://hl7.org/fhir/versions.html#std-process" title="Normative Content" class="normative-flag">N</a>:</b> <div><p>Render medication dosing and warnings related to a medication order based on patient-specific parameters.</p>
    </div></span>

        <span id="purpose"><b>Description <a href="https://hl7.org/fhir/versions.html#std-process" title="Informative Content" class="informative-flag">I</a>:</b> <div><p>Provide parameter-based (e.g., weight, lean body mass, age, sensitivity, genomics, body surface area) medication dosing recommendations and warnings for simple medications and compounded medications at the time of order entry.</p>
    </div></span>

        <span id="actors"><b>Actors:</b><br/> ehr</span>

        <span id="requirements"><b>Criteria <a href="https://hl7.org/fhir/versions.html#std-process" title="Normative Content" class="normative-flag">N</a>:</b></span>

        <table id="statements" class="grid dict">

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#01</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>SHALL</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system SHALL conform to function <a href="Requirements-EHRSFMR2-CPS.4.2.2.html">CPS.4.2.2</a> (Support for Patient-Specific Dosing and Warnings) to determine potential adverse reactions and render alerts or notifications when new medications are ordered.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#02</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>SHOULD</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system SHOULD provide the ability to determine and render weight-specific dose suggestions and auto-populate (e.g., default) medication orders based on the suggested dosage.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#03</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>MAY</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system MAY provide the ability to capture alternative patient dosing weight(s) (e.g., ideal body weight or dry weight vs. actual patient weight) for the purpose of dose calculation.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#04</span>

                </td>
                <td style="padding-left: 4px;">

                    <i>conditional</i>

                    <span>SHOULD</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>IF the system provides the ability to capture alternative patient dosing weight(s), THEN the system SHOULD provide the ability to determine and render alternative weight-specific dose recommendations and auto-populate medication orders based on the suggested dosage.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#05</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>SHOULD</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system SHOULD provide the ability to render patient-specific medication dosing recommendations based on the patient's age and weight/body surface area.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#06</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>MAY</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system MAY provide the ability to render patient-specific medication dosing recommendations based on previous patient experience (e.g., adverse reaction, type, and severity) with the same medication.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#07</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>SHOULD</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system SHOULD provide the ability to determine weight-based medication dosing when doses are based on the patient's weight (e.g., mg/kg).</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#08</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>MAY</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system MAY provide the ability to determine and render medication orders in which the weight-specific dose suggested employs a starting range with incremental changes toward a target range (e.g., a target therapeutic index).</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#09</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>MAY</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system MAY render a notification requesting the parameters (e.g., coefficients, exponents, formulas) required to calculate the body surface area.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#10</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>MAY</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system MAY provide the ability to determine and present dose ranges based on patient age.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#11</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>MAY</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system MAY provide the ability to manage complex medication orders that include dosing based on either physical status or laboratory values.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#12</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>SHALL</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system SHALL provide the ability to determine and present drug dosing based on custom compounded medication components.</p>
    </div></span>

                </td>
            </tr>

            <tr>
                <td style="padding-left: 4px;">

                    <span>CP.4.2.2#13</span>

                </td>
                <td style="padding-left: 4px;">

                    <span>SHOULD</span>

                </td>
                <td style="padding-left: 4px;" class="requirement">

                    <span><div><p>The system SHOULD provide the ability to manage medication orders with patient-specific dose calculations (e.g., by weight, body surface area or genotype).</p>
    </div></span>

                </td>
            </tr>

        </table>
    </div>
      </text>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
        <valueCode value="ehr"/>
      </extension>
      <url
           value="http://hl7.org/ehrs/uv/ehrsfmr2/Requirements/EHRSFMR2-CP.4.2.2"/>
      <version value="2.1.1-ballot"/>
      <name value="CP_4_2_2_Patient_Specific_Medication_Dosing_and_Warnings"/>
      <title
             value="CP.4.2.2 Patient-Specific Medication Dosing and Warnings (Function)"/>
      <status value="active"/>
      <date value="2025-04-04T11:04:36+11:00"/>
      <publisher value="HL7 International / Electronic Health Records"/>
      <contact>
        <telecom>
          <system value="url"/>
          <value value="http://www.hl7.org/Special/committees/ehr"/>
        </telecom>
      </contact>
      <description
                   value="Render medication dosing and warnings related to a medication order based on patient-specific parameters."/>
      <jurisdiction>
        <coding>
          <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
          <code value="001"/>
          <display value="World"/>
        </coding>
      </jurisdiction>
      <purpose
               value="Provide parameter-based (e.g., weight, lean body mass, age, sensitivity, genomics, body surface area) medication dosing recommendations and warnings for simple medications and compounded medications at the time of order entry."/>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-01"/>
        <label value="CP.4.2.2#01"/>
        <conformance value="SHALL"/>
        <conditionality value="false"/>
        <requirement
                     value="The system SHALL conform to function [CPS.4.2.2](Requirements-EHRSFMR2-CPS.4.2.2.html) (Support for Patient-Specific Dosing and Warnings) to determine potential adverse reactions and render alerts or notifications when new medications are ordered."/>
        <derivedFrom value="EHR-S_FM_R1.1 DC.1.7.1#17"/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-02"/>
        <label value="CP.4.2.2#02"/>
        <conformance value="SHOULD"/>
        <conditionality value="false"/>
        <requirement
                     value="The system SHOULD provide the ability to determine and render weight-specific dose suggestions and auto-populate (e.g., default) medication orders based on the suggested dosage."/>
        <derivedFrom value="EHR-S_FM_R1.1 DC.1.7.1#18"/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-03"/>
        <label value="CP.4.2.2#03"/>
        <conformance value="MAY"/>
        <conditionality value="false"/>
        <requirement
                     value="The system MAY provide the ability to capture alternative patient dosing weight(s) (e.g., ideal body weight or dry weight vs. actual patient weight) for the purpose of dose calculation."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-04"/>
        <label value="CP.4.2.2#04"/>
        <conformance value="SHOULD"/>
        <conditionality value="true"/>
        <requirement
                     value="IF the system provides the ability to capture alternative patient dosing weight(s), THEN the system SHOULD provide the ability to determine and render alternative weight-specific dose recommendations and auto-populate medication orders based on the suggested dosage."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-05"/>
        <label value="CP.4.2.2#05"/>
        <conformance value="SHOULD"/>
        <conditionality value="false"/>
        <requirement
                     value="The system SHOULD provide the ability to render patient-specific medication dosing recommendations based on the patient's age and weight/body surface area."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-06"/>
        <label value="CP.4.2.2#06"/>
        <conformance value="MAY"/>
        <conditionality value="false"/>
        <requirement
                     value="The system MAY provide the ability to render patient-specific medication dosing recommendations based on previous patient experience (e.g., adverse reaction, type, and severity) with the same medication."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-07"/>
        <label value="CP.4.2.2#07"/>
        <conformance value="SHOULD"/>
        <conditionality value="false"/>
        <requirement
                     value="The system SHOULD provide the ability to determine weight-based medication dosing when doses are based on the patient's weight (e.g., mg/kg)."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-08"/>
        <label value="CP.4.2.2#08"/>
        <conformance value="MAY"/>
        <conditionality value="false"/>
        <requirement
                     value="The system MAY provide the ability to determine and render medication orders in which the weight-specific dose suggested employs a starting range with incremental changes toward a target range (e.g., a target therapeutic index)."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-09"/>
        <label value="CP.4.2.2#09"/>
        <conformance value="MAY"/>
        <conditionality value="false"/>
        <requirement
                     value="The system MAY render a notification requesting the parameters (e.g., coefficients, exponents, formulas) required to calculate the body surface area."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-10"/>
        <label value="CP.4.2.2#10"/>
        <conformance value="MAY"/>
        <conditionality value="false"/>
        <requirement
                     value="The system MAY provide the ability to determine and present dose ranges based on patient age."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-11"/>
        <label value="CP.4.2.2#11"/>
        <conformance value="MAY"/>
        <conditionality value="false"/>
        <requirement
                     value="The system MAY provide the ability to manage complex medication orders that include dosing based on either physical status or laboratory values."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-12"/>
        <label value="CP.4.2.2#12"/>
        <conformance value="SHALL"/>
        <conditionality value="false"/>
        <requirement
                     value="The system SHALL provide the ability to determine and present drug dosing based on custom compounded medication components."/>
      </statement>
      <statement>
        <extension
                   url="http://hl7.org/ehrs/uv/ehrsfmr2/StructureDefinition/requirements-dependent">
          <valueBoolean value="false"/>
        </extension>
        <key value="EHRSFMR2-CP.4.2.2-13"/>
        <label value="CP.4.2.2#13"/>
        <conformance value="SHOULD"/>
        <conditionality value="false"/>
        <requirement
                     value="The system SHOULD provide the ability to manage medication orders with patient-specific dose calculations (e.g., by weight, body surface area or genotype)."/>
      </statement>
    </Requirements>