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Step 10: Verify the Interrogative Scenario

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In this step, you verify the end-to-end scenario for this tutorial.

To send the query message

  1. Open a command prompt.

  2. In the command prompt, move to <drive>:\Program Files\Microsoft BizTalk <version> Accelerator for HL7\SDK\MLLP Utilities.

  3. In the command prompt, type MllpReceive /P 24000, and then press Enter. This runs the MLLP listener application listening to port 24000 and displays any messages received to the screen. This application is simulating the Hospital Information System.

  4. Open an additional command prompt.

  5. In the second Command Prompt window, move to <drive>:\Program Files\Microsoft BizTalk <version> Accelerator for HL7\SDK\MLLP Utilities.

  6. In the second command prompt, type MllpSend /SB 11 /EB 28 /CR 13 /TWOWAY /P 22000 /F "<drive>:\Program Files\Microsoft BizTalk <version> Accelerator for HL7\SDK\Interrogative Tutorial\QRY^Q01.txt, and then press Enter.

    Note

    This command sends the query message you created at the beginning of this tutorial to MLLP port 22000 and waits for a response (acknowledgment). The ADT receive port picks up this message and processes it.

  7. Verify that you have the following results:

    • The MLLP listener application should display a message with the following values:

      MSH|^~\&|ADT||HIS||19990303||QRY^Q01|MSG00001|P|2.4  
QRD|200307231012|D|I|4387|||20^LI|12233|RES|ALL

    • In addition, the MllpSend utility creates an acknowledgment file in the <drive>:\Program Files\Microsoft BizTalk <version> Accelerator for HL7\SDK\Interrogative Tutorial folder named QRY^Q01.txt.RESPONSE. This file contains the following information as the acknowledgment:

      MSH|^~\&|HIS||ADT||20040331154031.2222-0800||ACK^Q01^ACK|10000GSM|P|2.4  
MSA|CA|MSG00001  
****END ACK****

To send the response message

  1. In the command prompt running the MllpReceive application, press Ctrl-C to cancel the previous operation.

  2. At the command prompt, type MllpReceive /P 25000, and then press Enter.

    Note

    Step 2 runs the MLLP listener application listening to port 25000 and displays any messages received to the screen. This application is simulating the ADT system.

  3. In the second command prompt, type MllpSend /SB 11 /EB 28 /CR 13 /P 23000 /F "<drive>:\Program Files\Microsoft BizTalk <version> Accelerator for HL7\SDK\Interrogative Tutorial\DSR.txt", then press Enter.

    Note

    Step 3 sends the response message you created at the beginning of this tutorial to MLLP port 23000. The HIS receive port picks up this message and processes it.

  4. Verify that you have the following results:

    • The MLLP listener application should display a message with the following values:

      MSH|^~\&|HIS||ADT||19990505||DSR^Q01|ZXT23469|P|2.4  
MSA|AA|MSG00003  
QRD|200307231012|D|I|4387|||20^LI|12233|RES|ALL  
DSP|||RESULTS FOR PATIENT#12233 SMITH, JOHN H. 07/23/03  
DSP|||SPECIMEN#H85 COLLECTED 07/22/03 /07/0/0  
DSP|||ELECTROLYTES  
DSP||| SODIUM 136 [135-148] MEQ/L STAT  
DSP||| POTASSIUM 4.2 [3.5-5.0] MEQ/L STAT  
DSP||| CHLORIDE 91 [95-111] MEQ/L STAT  
DSP||| CO2 25 [20-30] MEQ/L STAT  
DSP|||CO2 25 [20-30] MEQ/L STAT|LB

    Note

    If the messages above do not appear correctly, use the Health and Activity Tracking (HAT) tool to troubleshoot the error.

    Congratulations! You have successfully completed the BTAHL7 Interrogative Tutorial.

See Also

Batching Tutorial
End-to-End Tutorial
Message Enrichment Tutorial