<xsd:simpleType name="ReasonForTestTypes">
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="AccidentOrInjury" />
        <xsd:enumeration value="BlindSample" />
        <xsd:enumeration value="Followup" />
        <xsd:enumeration value="Other" />
        <xsd:enumeration value="Periodic" />
        <xsd:enumeration value="PostAccident" />
        <xsd:enumeration value="PostRehabilitation" />
        <xsd:enumeration value="Pre-employment" />
        <xsd:enumeration value="Promotion" />
        <xsd:enumeration value="Random" />
        <xsd:enumeration value="ReasonableSuspicion/Cause" />
        <xsd:enumeration value="ReturnToDuty" />
        <xsd:enumeration value="RuleViolation" />
        <xsd:enumeration value="Sports Testing" />
        <xsd:enumeration value="Unknown" />
        <xsd:enumeration value="NotIndicated" />
        <xsd:enumeration value="PreSiteAccess" />
        <xsd:enumeration value="PrePlacement" />
    </xsd:restriction>
</xsd:simpleType>