Terminology owner/maintenance organisation

Name, contact details, website


1405 S Fern St #92957
Arlington, Virginia 22202 703.970.4480

Contact Information can be found here: https://x12.org/index.php/resources/contact-us

Formal name of the code system

See additional sub-pages for indivudual code system information

Short name or abbreviation of the code system name

See additional sub-pages for indivudual code system information
Technical identifier/s for the code system 

See additional sub-pages for indivudual code system information

Canonical URL:

Scope/domain statement for the code system

(Official or from HTA)

"X12, chartered by the American National Standards Institute for more than 40 years, develops and maintains EDI standards and XML schemas which drive business processes globally. X12's diverse membership includes technologists and business process experts in health care, insurance, transportation, finance, government, supply chain and other industries."

Link to information about the code system - including how to obtain the content

External code lists maintained by X12 and external code lists maintained by others and distributed by WPC on behalf of the maintainer. Can be found here:


Click on the name of any external code list to access more information about the code list, view the codes, or submit a maintenance request. These external code lists were previously published on either www.wpc-edi.com/reference or www.x12.org/codes.

Arrangement or agreements with HL7 for use of content

Statment of Understanding between HL7 and X12 can be found here
Version management - timing and identification of versionsSee additional sub-pages for indivudual code system information

IP Information and Licensing Information

Intellectual Property Information

"All X12 products are subject to this IP policy, including published and draft works.

X12 is the only organization authorized to grant permission for use of X12 products. Users of all X12 products should make sure that they understand the permissible uses, as well as the limitations on such usage, as outlined below."

Additional IP information can be found here: https://x12.org/products/ip-use

Licensing Information

"Send an email to ip@x12.org to request permission to reproduce X12 IP. Include your name, organization, title, address, city, state, zip, email, a detailed description of the Submitted Artifact, including the underlying or cited X12 Product, and a detailed description of the intended audience and planned distribution method for the Artifact."

Additional information on X12 licensing program can be found here:


Purchasing Information:

To purchase code list subscriptions call (425) 562-2245 or email admin@wpc-edi.com.

HL7 users of this information - which HL7 products use this link (if known)

Financial Management

Process to request content change

If you have questions about these lists, submit them on the X12 Feedback form.

Other useful Information


Information current as at (date)

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