Vendor

Change Healthcare (Optum)

Clearinghouses & EDI networks. Now part of Optum. Uses ISA qualifier ZZ; expects trading-partner ID in GS02.

https://www.changehealthcare.com

Supported transactions

Per-transaction requirements

Transaction 835
Details →
ISA05/07 = ZZ/ZZ · GS01 = HP · GS08 = 005010X221A1
1 required · 0 fixed values
Transaction 837P
Details →
ISA05/07 = ZZ/ZZ · GS01 = HC · GS08 = 005010X222A1
2 required · 0 fixed values