-	A unique number assigned by the healthcare provider to identify an Encounter.
-	Note: It will help the provider and insurer locate the Encounter.
-	This number will also facilitate posting of payment information and identification of the billed Encounter.

<xs:simpleType name="EncounterID">
    <xs:annotation>
        <xs:documentation>
        -	A unique number assigned by the healthcare provider to identify an Encounter.
        -	Note: It will help the provider and insurer locate the Encounter.
        -	This number will also facilitate posting of payment information and identification of the billed Encounter.
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base="xs:string">
        <xs:minLength value="1" />
        <xs:maxLength value="50" />
    </xs:restriction>
</xs:simpleType>