<xsd:simpleType name="SpecimenTypes">
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="Blood" />
        <xsd:enumeration value="FingerNail" />
        <xsd:enumeration value="Hair" />
        <xsd:enumeration value="Saliva" />
        <xsd:enumeration value="Urine10panel" />
        <xsd:enumeration value="Urine9panel" />
        <xsd:enumeration value="Urine5panel" />
        <xsd:enumeration value="Urine" />
        <xsd:enumeration value="Breath" />
        <xsd:enumeration value="Sweat" />
        <xsd:enumeration value="OralFluid" />
        <xsd:enumeration value="Other" />
        <xsd:enumeration value="Unknown" />
    </xsd:restriction>
</xsd:simpleType>