Resources

We want your feedback

X12 welcomes feedback, as well as questions, comments, or suggestions related to its activities and programs. 

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Policies and Procedures

Corporate and Committee level policies and procedures

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Frequently Used Forms

Online forms for requests, suggestions, applications, and more.

Useful Forms
Code Maintenance Request
Request for Interpretation
Maintenance Requests
Member Representative Request for Workspace Access
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Requests for Interpretation

Request clarification related to implementation and use of X12 work.

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Wordbook

Terms and definitions pertinent to X12 that are either specific to X12 or incorporated from other recognized sources,.

Wordbook

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Not sure where to find what you're looking for or what you might need? Please contact us.

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About

Introducing neX12

X12 continues to serve its members and large install base by supporting the existing metadata, standards, and implementation tools while also focusing on several key collaborative initiatives.

Logo for X12 product: Glass

X12's online viewer provides easy and convenient web-based access to many X12 products, both free and subscription-based.

Logo for X12 initiative: Bridge

A new web resource providing a view of X12’s extensive standardized metadata vocabulary in a syntax neutral form.

Logo for X12 initiative: ARC

Annual Release Cycle: X12 has simplified and centralized the submission of maintenance requests for all work products.

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Organization Structure

Led by a diverse Board of Directors that, in collaboration with committee leadership, are responsible for X12's organizational and operational activities and obligations.

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Officers

Board Directors and Committee Leadership

List of Officers
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Committees

The Accredited and Registered Standards Committees

List of Committees
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Liaisons

Representing X12 interests to other organizations

Directory of Liaisons
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Groups and Caucuses

Assembling of members with shared interests

Group Summaries

X12 Awards

Recognizing members and industry representatives with significant contributions and achievements

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Products

X12’s Online Viewer

Online access to all available versions of X12 products, including the EDI Standard, Code Source Directory, Control Standards, EDI Standard Figures, Guidelines and Technical Reports.

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Licensing Program

Multi-tier licensing categories are based on how licensees benefit from X12's work, replacing traditional one-size-fits-all approaches.

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Commercial Use Partner

Embeds X12 work into a commercial product or service
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Internal Use Partner

Embeds X12 work into an internal product or service
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User

Uses software or service that has X12 work embedded
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Developer

Uses X12 work in a development environment
License Types

Featured Licensing Partners

Use X12's work to create innovative and value-added solutions for internal or commercial use.

Licensing Partners
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External Code Lists

These external code lists, referenced in other X12 work are maintained by X12 and related organizations with all published by WPC on their behalf.

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Technical Reports

X12 produces three types of documents to facilitate consistency across implementations of its work.

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Reference Model

Models business processes, applications, or data flows.
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Implementation Guide

Unique guidance to a specific business purpose.
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Clarification Paper

Describes the use, intentions, or activities related to X12 work.
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Featured Industries

X12 is honored to work with these featured industries who rely on its standards. See all industries.

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Supply Chain

The complementary use of X12 Standards and GS1 Standards enable efficiencies - across the supply chain.

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Rail

The North American railroad industry relies on X12 transactions, exchanging millions of messages each day.

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Defense

X12 transactions have enabled the management and movement of goods for the DoD consistently for decades.

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Intellectual Property (IP) Use

Membership

Who are X12 Members?

Representatives of these members include dedicated technologists and business process experts, meeting regularly to develop and maintain high quality standards in an open consensus environment.

MCNA Dental
State Farm Insurance Companies
Macannie, Inc.
Blue Cross Blue Shield Association
State of California Department of Health Care Access and Information
Accenture
Adeptia, Inc.
The Cirius Group, Inc.
PNC Bank
Verna Schultz
Laboratory Corporation of America
State of California Department of Health Care Services
See All Members

Membership Benefits

Join other member organizations in continuously adapting the expansive vocabulary and language used by millions of organizations while leveraging more than 40 years of cross-industry standards development knowledge.

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X12 Standards Development

Influence change and ensure your interests are represented.
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Meetings, Conferences and Educational Venues

Complimentary registration to X12 Standing Meetings.
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Standards and Publications

Complimentary access to Glass, X12's online viewer.
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Networking and Visibility

Network with decision makers and technology innovators.

Informational Forum for the 270/271, Health Care Eligibility/Benefit Inquiry and Information Response (007030X332) and the Code Value Usage in Eligibility Benefit Inquiry and Subsequent Response (007030X347)

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X12 will conduct an informational forum related to the above technical report

News + Events

Upcoming Meetings

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Winter 2026 Standing

Portland, OR
Onsite: –

Meeting Details
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Summer 2026 Standing

Philadelphia, PA
Onsite: –

Meeting Details
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Fall 2026 Standing

Jacksonville, FL
Onsite: –

Meeting Details
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By ChatGPT 4.0

What's the difference between XML and EDI? XML is what you use when you want to look smart. EDI is what you use when you actually want to get things done!

Important Dates

Jan
16
Batch 136 member review ends ASC Ballot: Maintenance Request Package ends
Jan
25
Winter 2026 X12 Standing Meeting On-Site Portland, OR 1/25-1/29/2026
Feb
02
Continuation of Winter X12J Technical Assessment meeting, 3-5 PM ET
Feb
04
Winter Procedures Review Board meeting, 3-3:30 PM ET
Feb
16
ASC Ballot: Maintenance Request Package begins
Mar
06
Deadline for submitting code maintenance requests for member review of Batch 137
Mar
13
Batch 137 member review begins
Mar
18
ASC Ballot: Maintenance Request Package ends
Apr
03
Batch 137 member review ends
Apr
13
April Technical Assessment Meeting 1:30-3:30 PM ET Monday & Tuesday - 1:30-2:30 PM ET Wednesday
Apr
15
April PRB Meeting - 2:30-3 PM ET
May
01
Deadline for submitting code maintenance requests for member review of Batch 138
May
08
Batch 138 member review begins
May
29
Batch 138 member review ends
Jun
07
Summer 2026 X12 Standing Meeting Onsite in Philadelphia, PA 6/7-6/11/2026
See All Important Dates

2019 Award Recipients

X12 is proud and honored to recognize outstanding participants.

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Stacey Barber and Mary Kay McDaniel

Lifetime Achievement Award
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Joel Prater

Bass Achievement Award

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