<xs:simpleType name="AnesthesiaCategoryCodeType" >
  <xs:restriction base="xs:string">
    <xs:enumeration value="Neuraxial"/>
    <xs:enumeration value="General Anesthesia"/>
    <xs:enumeration value="Monitored Anesthesia Care"/>
    <xs:enumeration value="Peripheral Nerve Block"/>
    <xs:enumeration value="No Anesthesia Provided"/>
    <xs:enumeration value="Unknown"/>
  </xs:restriction>
</xs:simpleType>