The HIX data services implement the ASCX12 healthcare industry standard. They use the Health Insurance Exchange protocol to exchange information for government-regulated and standardized health care plans in the United States.
The HIX protocol is based on the HIPAA standard, and data services can process HIPAA messages that are relevant to the ASCX12 standard with Validation Level 1 and 2.
Note: Don't use the HIX data services to validate HIPAA or EDI-X12 messages. The HIX data services contain unique validators to process ASCX12 messages.
HIX message structure
A HIX message is a string that contains fields delimited by special characters. Each field has an identifier followed by data.
The following example shows a sample Related Payments message type (820):