Exhibit 21.1

Emdeon Inc.

Subsidiaries of the Registrant

Entity Name	State of Organization
Advanced Business Fulfillment, LLC	Delaware
Chamberlin Edmonds & Associates, Inc.	Delaware
Chamberlin Edmonds Holdings, Inc.	Delaware
Chapin Revenue Cycle Management, LLC	Delaware
Dakota Imaging LLC	Delaware
EBS Holdco I, LLC	Delaware
EBS Holdco II, LLC	Delaware
EBS Master LLC	Delaware
Emdeon Business Services LLC	Delaware
Emdeon FutureVision LLC	Delaware
Envoy LLC	Delaware
EquiClaim, LLC	Delaware
eRx Network, L.L.C.	Texas
eRx Network Canada, Inc.	British Columbia
ExpressBill LLC	Delaware
Healthcare Technology Management Services LLC	Delaware
IMS-Net of Arkansas, Inc. (1)	Arkansas
IXT Solutions, Inc.	Tennessee
Kinetra LLC	Delaware
MedE America of Ohio LLC	Delaware
Medi, Inc.	California
MediFax-EDI Holding Company	Delaware
Medifax-EDI Holdings, Inc.	Delaware
MediFax-EDI, LLC	Tennessee
Minnesota Medical Communication Network LLC1	Colorado
TC3 Health, Inc.	Delaware
The Sentinel Group Services LLC	Delaware

⁽¹⁾  Less than 100% owned.