<xsd:simpleType name="ScreeningTestReasonCodeEnumType">
    <xsd:annotation>
        <xsd:documentation>An list of reason codes describing the condition that trigger the substance testing process.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:normalizedString">
        <xsd:enumeration value="PreEmployment" />
        <xsd:enumeration value="Random" />
        <xsd:enumeration value="ReasonableSuspicionOrCause" />
        <xsd:enumeration value="BlindSample" />
        <xsd:enumeration value="FollowUp" />
        <xsd:enumeration value="Periodic" />
        <xsd:enumeration value="PostAccident" />
        <xsd:enumeration value="PostRehabilitation" />
        <xsd:enumeration value="SiteAccess" />
        <xsd:enumeration value="PrePlacement" />
        <xsd:enumeration value="Promotion" />
        <xsd:enumeration value="ReturnToDuty" />
        <xsd:enumeration value="RuleViolation" />
        <xsd:enumeration value="SportsTesting" />
        <xsd:enumeration value="NotSpecified" />
    </xsd:restriction>
</xsd:simpleType>