<xs:schema xmlns="http://www.rixg.org.uk/" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.rixg.org.uk/">
    <xs:include schemaLocation="../Types/Clinician.xsd"/>
    <xs:include schemaLocation="../Types/CodedField.xsd"/>
    <xs:include schemaLocation="../Types/DrugProduct.xsd"/>
    <xs:include schemaLocation="../Types/Location.xsd"/>
    <xs:include schemaLocation="../Types/CommonMetadata.xsd"/>
    <xs:complexType name="Medication">
        <xs:sequence>
            <xs:element name="PrescriptionNumber" minOccurs="0">
                <xs:annotation>
                    <xs:appinfo>medication.prescriptionnumber</xs:appinfo>
                    <xs:documentation>Prescription Id</xs:documentation>
                </xs:annotation>
                <xs:simpleType>
                    <xs:restriction base="xs:string">
                        <xs:maxLength value="100"/>
                    </xs:restriction>
                </xs:simpleType>
            </xs:element>
            <xs:element name="FromTime" type="xs:dateTime">
                <xs:annotation>
                    <xs:appinfo>medication.fromtime</xs:appinfo>
                    <xs:documentation>Start Time of the prescription</xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="ToTime" type="xs:dateTime" minOccurs="0">
                <xs:annotation>
                    <xs:appinfo>medication.totime</xs:appinfo>
                    <xs:documentation>End Time of the prescription</xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="OrderedBy" type="Clinician" minOccurs="0">
                <xs:annotation>
                    <xs:documentation>Prescriber - National Id</xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="EnteringOrganization" type="Location" minOccurs="0">
                <xs:annotation>
                    <xs:documentation>Where the Medicine was Prescribed</xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="Route" minOccurs="0">
                <xs:annotation>
                    <xs:documentation>Medication Route</xs:documentation>
                </xs:annotation>
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="CodingStandard" minOccurs="0">
                            <xs:simpleType>
                                <xs:restriction base="xs:string">
                                    <xs:enumeration value="SNOMED"/>
                                    <xs:enumeration value="RR22"/>
                                </xs:restriction>
                            </xs:simpleType>
                        </xs:element>
                        <xs:element name="Code" minOccurs="0">
                            <xs:simpleType>
                                <xs:restriction base="xs:string">
                                    <xs:maxLength value="18"/>
                                </xs:restriction>
                            </xs:simpleType>
                        </xs:element>
                        <xs:element name="Description" minOccurs="0">
                            <xs:simpleType>
                                <xs:restriction base="xs:string">
                                    <xs:maxLength value="100"/>
                                </xs:restriction>
                            </xs:simpleType>
                        </xs:element>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="DrugProduct" type="DrugProduct"/>
            <xs:element name="Frequency" minOccurs="0">
                <xs:annotation>
                    <xs:appinfo>medication.frequency</xs:appinfo>
                    <xs:documentation>Frequency</xs:documentation>
                </xs:annotation>
                <xs:simpleType>
                    <xs:restriction base="xs:string">
                        <xs:maxLength value="255"/>
                    </xs:restriction>
                </xs:simpleType>
            </xs:element>
            <xs:element name="Comments" minOccurs="0">
                <xs:annotation>
                    <xs:appinfo>medication.commenttext</xs:appinfo>
                    <xs:documentation>Other instructions</xs:documentation>
                </xs:annotation>
                <xs:simpleType>
                    <xs:restriction base="xs:string">
                        <xs:maxLength value="255"/>
                    </xs:restriction>
                </xs:simpleType>
            </xs:element>
            <xs:element name="DoseQuantity" type="xs:decimal" minOccurs="0">
                <xs:annotation>
                    <xs:appinfo>medication.dosequantity</xs:appinfo>
                    <xs:documentation>Dose</xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="DoseUoM" type="CodedField" minOccurs="0"/>
            <xs:element name="Indication" minOccurs="0">
                <xs:annotation>
                    <xs:appinfo>medication.indication</xs:appinfo>
                    <xs:documentation>The condition or problem for which the drug is being prescribed</xs:documentation>
                </xs:annotation>
                <xs:simpleType>
                    <xs:restriction base="xs:string">
                        <xs:maxLength value="100"/>
                    </xs:restriction>
                </xs:simpleType>
            </xs:element>
            <xs:element name="EncounterNumber" type="xs:string" minOccurs='0'>
                <xs:annotation>
                    <xs:documentation>This is used to associate the prescribing of a Medication with the activity in a particular Encounter record. This element should not be submitted without prior discussion with the UKRR.
                    </xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:group ref="CommonMetadata"/>
        </xs:sequence>
    </xs:complexType>
</xs:schema>