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About ASC X12

ASC X12, chartered by the American National Standards Institute more than 30 years ago, develops and maintains EDI and CICA standards along with XML schemas which drive business processes globally. The diverse membership of ASC X12 includes technologists and business process experts, encompassing health care, insurance, transportation, finance, government, supply chain and other industries. Learn more




ASC X12 Announces new ANSI Accreditation

Online Store

ASC X12 Intellectual Property Use

Online DM Submission

Change Request Submission

ASC X12 Change Request Browser

The DSMO Process

Administrative Simplification Enforcement Tool

WEDI and ASC X12 Joint Companion Guide Template and Guidance Project

ASC X12 Interpretations Portal (RFIs)

ASC X12 Technical Report Newsletters

Tools for Members

What is CICA?

CICA XML Schemas


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8 May 2014 –

June HIX CR1408 Schedule Announcement

4 Feb 2014 –

ASC X12 Announces new American National Standards Institute (ANSI) Accreditation

4 Sep 2013 –

The ASC X12 Transaction Examples Web Site is Available Now

18 Jul 2013 –

ASC X12 Award Nominations Open

24 May 2013 –

Call for Nominations: ASC X12 Chair/Vice Chair-2013-2015 Term

23 Apr 2013 –

IAIABC Adopts the CARC and RARC Usage TR2

22 Apr 2013 –

Public Review Period for the Proposed CARC and RARC Usage TR2

28 Jan 2013 –

ASC X12 Announces a New Publicly Available Change Request System

4 Jan 2013 –

CMS Announces 90-Day Period of Enforcement Discretion for Compliance with Eligibility and Claim Status Operating Rules

20 Dec 2012 –

WEDI & ASC X12 to Partner to Ease HPID Compliance


Upcoming Events

ASC X12 Standing Meeting
May 31-June 4, 2015
San Antonio, TX

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