Data Exchange Resources                         ​ 

• CDC Code Sets – One stop shop for immunization related code sets (CVX, NDC, MVX, etc.)
• CDC HL7 Version 2.5.1: Implementation Guide for Immunization Messaging, Release 1.5 – Contains the tables referenced in the CAIR2 HL7 2.5.1 VXU Implementation Guide.
• CAIR2 HL7 2.5.1 VXU Implementation Guide​  – Document for a complete and detailed overview of HL7 message requirements for CAIR2.
• American Immunization Registry Association – The American Immunization Registry Association (AIRA) exists to support and promote the use of immunization information to ensure healthy communities through the development and implementation of immunization information systems (IIS) as a crucial tool in preventing vaccine-preventable diseases.
• NIST Immunization Test Suite – Test your HL7 VXU messages to help correct any content formatting issues before submitting to CAIR2.​​
  
• Updates to HL7 Code for Race and Ethnicity Fields (PDF)
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