Splitting HL7 Lab Results (ORU) File. What Should MessageType Be?

Question

Hi.
Thank you for reading this. 
This is on BizTalk server 2010 for HL7 verson 2.3. 
Trying to split a batch file in the Pipeline (Disassemble) . For the GetNext method.
Can someone please tell me what should the messageType be?
Have tried, but got suspended saying that there's no subscriber in the message box (for the message): 
  String messageType = "_http://microsoft.com/HealthCare/HL7/2X" + "#" + "ORU_R01_23_GLO_DEF";
  String messageType = "_http://microsoft.com/HealthCare/HL7/2X" + "#" + "MSH_25_GLO_DEF";            
        public IBaseMessage GetNext(IPipelineContext pContext) 
            if (myQ.Count > 0) 
String messageType = "???"; 
                IBaseMessage outMsg = pContext.GetMessageFactory().CreateMessage(); 
                string systemPropertiesNamespace = @"http://schemas.microsoft.com/BizTalk/2003/system-properties";
                for (int i = 0; i < myMsg.Context.CountProperties; i++)   
                    string Name, Namespace; 
                    object PropertyValue = myMsg.Context.ReadAt(i, out Name, out Namespace); 
                    if (myMsg.Context.IsPromoted(Name,
Namespace)) 
                        outMsg.Context.Promote(Name, Namespace, PropertyValue); 
                outMsg.AddPart("Body", pContext.GetMessageFactory().CreateMessagePart(),
true); 
                outMsg.Context.Promote("MessageType",
systemPropertiesNamespace, messageType); 
                string temp = myQ.Dequeue().ToString(); 
                byte[] byteArray = Encoding.ASCII.GetBytes(temp); 
                outMsg.BodyPart.Data = new MemoryStream(byteArray); 
                return outMsg; 
            else 
                return null; 
Can you please help?? 
Thank you so much! 
Thanks

Answer 1

Hi Daniel.
Unfortunately, we're unable to get the HL7 Disassembler to debatch the files. Is there an expected format?
The vendors are sending us sample files with the following repeating segments:
MSH
PID
PV1
ORC
OBR
OBX
OBX
Anyways, I looked at the messageType for the single file that worked and it's this:
String messageType = @"_http://microsoft.com/HealthCare/HL7/2X" + "#" + "ORU_R01_23_GLO_DEF";
The issue is that after it gets through the Receive location it gets suspended b/c there are no subscriber for the message. It turns out that during de-batching it did not promote the messageType with this line:
outMsg.Context.Promote("MessageType",
systemPropertiesNamespace, messageType); 
Any idea what I'm doing wrong? 
Thanks in advance for your help!
Thanks