Order with Dosage with a Pre-Condition - Alprazolam - dosageInstructions includes boundsPeriod with periodMax and asNeededCodeableConcept (id = "medrx0305")

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

<MedicationRequest xmlns="http://hl7.org/fhir">
    <id value="medrx0305"/> 
    <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p> <b> Generated Narrative: MedicationRequest</b> <a name="medrx0305"> </a> </p> <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">Resource MedicationRequest &quot;medrx0305&quot; </p> </div> <p> <b> identifier</b> : id: 12345689 (OFFICIAL)</p> <p> <b> status</b> : completed</p> <p> <b> intent</b> : order</p> <h3> Medications</h3> <table class="grid"><tr> <td> -</td> <td> <b> Reference</b> </td> </tr> <tr> <td> *</td> <td> <span title="  Linked to a RESOURCE Medication  "><a name="med0314"> </a> </span> <blockquote> <p/>  <p> <a name="med0314"> </a> </p> <p> <b> code</b> : Alprazolam 0.25mg Oral Tablet <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="http://terminology.hl7.org/3.1.0/CodeSystem-v3-rxNorm.html">RxNorm</a> #308047)</span> </p> </blockquote> </td> </tr> </table> <p> <b> subject</b> : <a href="patient-example-a.html">Patient/pat1: Donald Duck</a>  &quot;Donald DUCK&quot;</p> <p> <b> encounter</b> : <a href="encounter-example-f001-heart.html">Encounter/f001: encounter who leads to this prescription</a> </p> <p> <b> authoredOn</b> : 2015-01-15</p> <p> <b> requester</b> : <a href="practitioner-example-f007-sh.html">Practitioner/f007: Patrick Pump</a>  &quot;Simone HEPS&quot;</p> <blockquote> <p> <b> dose</b> </p> <blockquote> <p> <b> dosageInstruction</b> </p> <p> <b> sequence</b> : 1</p> <p> <b> text</b> : 0.25mg PO every 6-12 hours as needed for menses from Jan 15-20, 2015.  Do not
             exceed more than 4mg per day</p> <p> <b> additionalInstruction</b> : Warning. May cause drowsiness. If affected do not drive or operate machinery.
             Avoid alcoholic drink (qualifier value) <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a> #418914006)</span> </p> <p> <b> timing</b> : Starting 2015-01-15, Do Once per 6-12 hours, Until 2015-01-20</p> <p> <b> asNeededFor</b> : Dysmenorrhea (disorder) <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a> #266599000)</span> </p> <p> <b> route</b> : Oral Route <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a> #26643006)</span> </p> <p> <b> maxDosePerAdministration</b> : 4 mg<span style="background: LightGoldenRodYellow"> (Details: UCUM code mg = 'mg')</span> </p> </blockquote> </blockquote> <blockquote> <p> <b> dispenseRequest</b> </p> <p> <b> validityPeriod</b> : 2015-01-15 --&gt; 2016-01-15</p> <p> <b> numberOfRepeatsAllowed</b> : 1</p> <p> <b> quantity</b> : 30 TAB<span style="background: LightGoldenRodYellow"> (Details: http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm code TAB
             = 'Tablet')</span> </p> <h3> ExpectedSupplyDurations</h3> <table class="grid"><tr> <td> -</td> <td> <b> Value</b> </td> <td> <b> Unit</b> </td> <td> <b> System</b> </td> <td> <b> Code</b> </td> </tr> <tr> <td> *</td> <td> 10</td> <td> days</td> <td> <a href="http://terminology.hl7.org/3.1.0/CodeSystem-v3-ucum.html">Unified Code for Units of Measure (UCUM)</a> </td> <td> d</td> </tr> </table> </blockquote> <h3> Substitutions</h3> <table class="grid"><tr> <td> -</td> <td> <b> Allowed[x]</b> </td> <td> <b> Reason</b> </td> </tr> <tr> <td> *</td> <td> true</td> <td> formulary policy <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="http://terminology.hl7.org/3.1.0/CodeSystem-v3-ActReason.html">ActReason</a> #FP)</span> </td> </tr> </table> </div> </text> <contained> 
      <Medication> 
          <id value="med0314"/> 
          <code> 
              <coding> 
                  <system value="http://www.nlm.nih.gov/research/umls/rxnorm"/> 
                  <code value="308047"/> 
                  <display value="Alprazolam 0.25mg Oral Tablet"/> 
              </coding> 
          </code> 
      </Medication> 
  </contained> 
    <identifier> 
        <use value="official"/> 
        <system value="http://www.bmc.nl/portal/prescriptions"/> 
        <value value="12345689"/> 
    </identifier> 
    <status value="completed"/> 
    <intent value="order"/> 
    <medication>  <!--    Linked to a RESOURCE Medication    -->
        <reference> 
           <reference value="#med0314"/> 
        </reference> 
    </medication>  
    <subject>  <!--    Linked to the resource patient who needs the medication    -->
        <reference value="Patient/pat1"/> 
        <display value="Donald Duck"/>         
    </subject> 
    <encounter>  <!--    Linked to a resource Encounter between patient and practitioner   -->
        <reference value="Encounter/f001"/> 
        <display value="encounter who leads to this prescription"/> 
    </encounter> 
    <authoredOn value="2015-01-15"/> 
    <requester> 
        <reference value="Practitioner/f007"/> 
        <display value="Patrick Pump"/> 
    </requester> 
    <dose> 
    <dosageInstruction> 
        <sequence value="1"/> 
        <text value="0.25mg PO every 6-12 hours as needed for menses from Jan 15-20, 2015.  Do not exceed
       more than 4mg per day"/> 
        <additionalInstruction> 
            <coding> 
                <system value="http://snomed.info/sct"/> 
                <code value="418914006"/> 
                <display value="Warning. May cause drowsiness. If affected do not drive or operate machinery. Avoid
           alcoholic drink (qualifier value)"/> 
            </coding> 
        </additionalInstruction> 
        <timing> 
            <repeat> 
                <boundsPeriod> 
                    <start value="2015-01-15"/> 
                    <end value="2015-01-20"/> 
                </boundsPeriod> 
                <frequency value="1"/> 
                <period value="6"/> 
                <periodMax value="12"/> 
                <periodUnit value="h"/> 
            </repeat> 
        </timing> 
        <asNeededFor> 
            <coding> 
                <system value="http://snomed.info/sct"/> 
                <code value="266599000"/> 
                <display value="Dysmenorrhea (disorder)"/> 
            </coding> 
        </asNeededFor> 
        <route> 
            <coding> 
                <system value="http://snomed.info/sct"/> 
                <code value="26643006"/> 
                <display value="Oral Route"/> 
            </coding> 
        </route> 
        <doseAndRate> 
            <type> 
                <coding> 
                    <system value="http://terminology.hl7.org/CodeSystem/dose-rate-type"/> 
                    <code value="ordered"/> 
                    <display value="Ordered"/> 
                </coding> 
            </type> 
            <doseQuantity> 
                <value value="1"/> 
                <unit value="TAB"/> 
                <system value="http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm"/> 
                <code value="TAB"/>  
            </doseQuantity> 
        </doseAndRate> 
        
        <maxDosePerAdministration> 
            <value value="4"/> 
            <unit value="mg"/> 
            <system value="http://unitsofmeasure.org"/> 
            <code value="mg"/>  
        </maxDosePerAdministration> 
    </dosageInstruction> 
    </dose> 
    <dispenseRequest> 
        <validityPeriod> 
            <start value="2015-01-15"/> 
            <end value="2016-01-15"/> 
        </validityPeriod> 
        <numberOfRepeatsAllowed value="1"/> 
        <quantity> 
            <value value="30"/> 
            <unit value="TAB"/> 
            <system value="http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm"/> 
            <code value="TAB"/>  
        </quantity> 
        <expectedSupplyDuration> 
            <value value="10"/> 
            <unit value="days"/> 
            <system value="http://unitsofmeasure.org"/> 
            <code value="d"/>  
        </expectedSupplyDuration> 
    </dispenseRequest>    
    <substitution> 
       <allowedBoolean value="true"/> 
        <reason> 
            <coding> 
                <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/> 
                <code value="FP"/> 
                <display value="formulary policy"/>              
            </coding> 
        </reason> 
    </substitution> 
</MedicationRequest>