Terminology owner/maintenance organisation

Name, contact details, website

National Association of Health Data Organizations (NAHDO)

124 South 400 East, Suite 220 | Salt Lake City, Utah 84111-5312y, Utah 84111-5312

Phone: 801-532-2299 - info@nahdo.org

Formal name of the code system

Source of Payment Typology

Short name or abbreviation of the code system name

Technical identifier/s for the code system 

OID: 2.16.840.1.113883.3.221.5
Canonical URL: https://nahdo.org/sopt

Scope/domain statement for the code system

(Official or from HTA)

The Source of Payment Typology is a standardized Payer Type classification system. It is a mechanism for consistent reporting of payer data to state health data organizations and supports data comparisons by payer type across states, various provider types, and to national benchmarks.  Developed by the Public Health Data Standards Consortium (PHDSC) Payer Typology Subcommittee, the typology includes broad hierarchial payer type categories with more specific subcategories. 

The audience for Source of Payment Typology includes researchers, public health advocates, and healthcare analysts. 

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

The Source of Payment Typology is hosted by the National Association of Health Data

See information here:


Arrangement or agreements with HL7 for use of content

Version management - timing and identification of versions

IP Information and Licensing Information

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

Process to request content change

Requests to change the typology should be directed to the Payer Typology
Committee, via the form that is available at www.nahdo.org/. Changes to the Source of
Payment Typology are now made annually. Any interested industry representative can make
recommendations for additions or modifications by sending their comments via the NAHDO
website at: http://www.nahdo.org. These recommendations would be voted on by members
of the Payer Typology Committee for possible inclusion in the Source of Payment Typology.

Other useful Information

Information current as at (date)

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  1. Jessica Bota Is there a THO CS and NS resource for this?

  2. Note that the SoPT has been named by ONC as the applicable Vocabulary Standard for the Coverage Type data element https://www.healthit.gov/isa/taxonomy/term/2351/draft-uscdi-v3 included in the US Core Data for Interoperability (USCDI) Draft Version 3:

    Draft V3 is open for public comment via the ONC's ONDEC system https://www.healthit.gov/isa/ONDEC until April 30, 2022, and ONC plans to release the final USCDI v3 in July 2022.  We are also reviewing this in our ONC Interoperability Standards Workgroup https://www.healthit.gov/hitac/committees/interoperability-standards-workgroup and would welcome input from those involved in maintaining this standard.