How to i filter out meetings by itemId in a findItem request

I am making a findItem SOAP request to the exchange server using the following format . I would like to filter the returned values based on the Recurring master ItemId or the changeKey . Any help would be appreciated

<">
   <soap:Header>
      <typ:ExchangeImpersonation>
         <typ:ConnectingSID>
            <typ:PrincipalName>41518</typ:PrincipalName>
         </typ:ConnectingSID>
      </typ:ExchangeImpersonation>
   </soap:Header>
   <soap:Body>
      <mes:FindItem Traversal="Shallow">
         <mes:ItemShape>
            <typ:BaseShape>IdOnly</typ:BaseShape>
            <typ:AdditionalProperties>
               <typ:FieldURI FieldURI="calendar:Start"/>
               <typ:FieldURI FieldURI="calendar:End"/>
               <typ:FieldURI FieldURI="calendar:LegacyFreeBusyStatus"/>
               <typ:FieldURI FieldURI="calendar:AppointmentState"/>
               <typ:FieldURI FieldURI="calendar:IsCancelled"/>
               </typ:AdditionalProperties>
         </mes:ItemShape>
          <mes:CalendarView MaxEntriesReturned="10" StartDate="2013-01-21T00:00:00Z" EndDate="2013-01-22T00:00:00Z"/>
         <mes:ParentFolderIds>
            <typ:DistinguishedFolderId Id="calendar"></typ:DistinguishedFolderId>
                </mes:ParentFolderIds>
      </mes:FindItem>
   </soap:Body>
</soap:Envelope>