C-CDA R2.1 Updated Value Sets Available
C-CDA R2.1 Updated Value Sets Available
The National Library of Medicine is pleased to announce the Value Set Authority Center (VSAC) publication and downloadable files for the 2021-08-10 release of the HL7 Consolidated Clinical Document Architecture (C-CDA) R2.1 value sets, authored by the HL7 Terminology group. This release contains 143 C-CDA value sets. There are four new value sets in this release compared to last year's release:
| Value Set Name | Value Set OID |
|---|---|
| Transmission Based Precaution Types | 2.16.840.1.113883.10.20.22.5.300 |
| Organism | 2.16.840.1.113883.10.20.22.5.304 |
| Microbiology and Antimicrobial Susceptibility Tests | 2.16.840.1.113883.10.20.22.5.305 |
| Infectious Disease | 2.16.840.1.113883.10.20.22.5.306 |
There are several ways you can access the C-CDA value sets:
- VSAC Welcome Page: The Search button of the HL7 C-CDA Value Sets program block leads you to the VSAC Search Value Sets web browser, presorted by this HL7 C-CDA release. The Download link leads you to the C-CDA Value Sets section of the Download tab and supplies prepackaged downloadable files.
- VSAC Download Tab: Here, you can download the Excel, pipe-delimited text files, and XML files of the C-CDA value sets; Code System Versions Currently in C-CDA R2.1 Value Sets; a list of C-CDA R2.1 Value Sets Available in VSAC; and, a list of C-CDA R2.1 Value Sets Unavailable in VSAC. The published downloadable C-CDA R2.1 2021-08-10 release excludes 23 C-CDA value sets for which VSAC does not have the required supporting code systems.
- VSAC Search Value Sets Tab: In the VSAC web browser, you can search, sort, filter and view details for all or individual C-CDA value sets; use the Export Search Results button to download a catalog of C-CDA value set expansions; increase the paging up to 120 rows, and use the checkboxes to download all C-CDA value set expansions as Excel, XML, or Text files.
- VSAC SVS API: Given a C-CDA value set identifier (OID) that you can obtain by any of the above methods, use an SVS API call, such as:
[https://vsac.nlm.nih.gov/vsac/svs/RetrieveMultipleValueSets?id=2.16.840.1.113883.1.11.16866&release=C-CDA R2.1 2021-08-10&ticket=your-service-ticket]
For additional information on API authentication and usage, see our API documentation.
Please send any questions or feedback regarding VSAC functionality to: NLM Customer Support.
Sincerely, The NLM VSAC Team
Last Reviewed: July 27, 2021