Hi Team,
In our EMR system, we currently maintain CVX codes to represent vaccine information in our HL7 VXU messages, as per the usual immunization data exchange standards.
However, during validation using the NIST tool, we noticed that NDC codes are being referenced or expected in the message structure. We would like to clarify the following:
We want to ensure that our implementation aligns with the latest standards and certification expectations, and would appreciate your guidance on this.
Looking forward to your response.
Regards,
Jyothi Yella
Hi Jyothi,
It depends on what you are referring to as “certification”.
For ONC certification, NDC codes are required. ONC using the HL7 2.5.1 Immunization Implementation Guide but also adds additional criterion in the final rule. Use of NDC is one of those.
Here is a summary for your question in the NIST documentation:
Vaccine Codes Required for Immunization Messages
ONC Certification Testing Only
Example Scenario
• A Z22 VXU message is transmitted from an EHR to an IIS with an NDC for a new vaccine administered
• A query for an Evaluated Immunization History and Forecast (Z44 QBP message) is performed via the EHR the next day
• The response for the Evaluated Immunization History and Forecast (Z42 RSP message) is transmitted from the IIS with a CVX code for the vaccine sent with an NDC in the Z22 VXU the day before, as this vaccine now exists as a historical record in the IIS
Regards,
Rob
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