Companion Guides

ANSI ASC X12N District of Columbia Companion Guides

Companion Guides are intended for trading partner use in conjunction with the ANSI ASC X12N National Implementation Guide.  The ANSI ASC X12N Implementation Guides can be accessed at http://www.wpc-edi.com/Insurance_40.asp.  This guide outlines the procedures necessary for engaging in Electronic Data Interchange (EDI) with ACS EDI Gateway, Inc. and specifies data clarification where applicable.

• ANSI ASC X12N 278 Companion Guide Version 3.0
  ANSI ASC X12N 278 (Prior Authorization Transaction)
   
• ANSI ASC X12N 835 Companion Guide Version 2.0
  ANSI ASC X12N 835 (Healthcare Claim Payment/Advice Transactions - Institutional, Professional and Dental)
   
• ANSI ASC X12N 835 (Pharmacy) Companion Guide Version 1.0
  ANSI ASC X12N 835 (Healthcare Claim Payment/Advice Transactions - Pharmacy)
   
• ANSI ASC X12N 834 Companion Guide Version 3.0
  ANSI ASC X12N 834 (Healthcare Benefit Enrollment and Maintenance Transactions - Institutional, Professional and Dental)
   
• ANSI ASC X12N 820 Companion Guide Version 3.0
  ANSI ASC X12N 820 (Healthcare Premium Payment Transactions - Institutional, Professional and Dental)
   
• ANSI ASC X12N 837P Companion Guide Version 3.0
  ANSI ASC X12N 837 (Healthcare Claim Transactions - Professional)
   
• ANSI ASC X12N 837I Companion Guide Version 3.0
  ANSI ASC X12N 837 (Healthcare Claim Transactions - Institutional)
   
• ANSI ASC X12N 837D Companion Guide Version 3.0
  ANSI ASC X12N 837 (Healthcare Claim Transactions - Dental)
   
• ANSI ASC X12N 837 PID Companion Guide Supplement for NPI and NDC 2008
  ANSI ASC X12N 837 PID Companion Guide Supplement for NPI and NDC 2008
   
• ANSI ASC X12N 270/271Companion Guide Version 1.0
  ANSI ASC X12N 270/271 (Benefit Eligibility Request/Response Transactions)
   
• ANSI ASC X12N 276/277Companion Guide Version 2.0
  ANSI ASC X12N 276/277 (Claims Inquiry/Response Transactions)