The following IN2 fields are related to a specific US entity, ENVOY Corporation, and have field names that should be reserved for more general purposes:

6.5.7.25 IN2-25   Payor ID   (CX)   00496

Definition:  In the US this field is required for ENVOY Corporation (a US claims clearing house) processing, and it identifies the organization from which reimbursement is expected.  This field can also be used to report the National Health Plan ID.  The assigning authority and identifier type code are strongly recommended for all CX data types.

6.5.7.26 IN2-26   Payor Subscriber ID   (CX)   00497

Definition:  In the US this field is required for ENVOY Corporation processing, and it identifies the specific office within the insurance carrier that is designated as responsible for the claim.  The assigning authority and identifier type code are strongly recommended for all CX data types.

6.5.7.27 IN2-27   Eligibility Source   (CWE)   00498

Definition:  In the US this field is required for ENVOY Corporation processing, and it identifies the source of information about the insured's eligibility for benefits.  Refer to User-defined Table 0144 - Eligibility Source in Chapter 2C, Code Tables, for suggested values.