Version 3.5.0 Revision Requests

Updated January 23, 2018

Careful consideration of posted requests for revisions to the NEMSIS 3.4.0 standard began in early October, during the NEMSIS V3 Implementation meeting, and continue through bimonthly V3 Implementation webinars and NASEMSO Data Managers Committee calls.  For a brief overview of major topic areas under consideration for revision, click here.  A calendar schedule of upcoming discussions can be found here.

As the work continues, finalized revision decisions will be posted here:

Addition of a Universally Unique Identifier

Description of UUID addition to the standard

Final recommendations from the Workgroup

List of Questions and Answers

PowerPoint presentation

Demotion (and Promotion) of Elements as National

PowerPoint presentation


New element constraints

Splitting of eDisposition.12

PowerPoint presentation

Element and value changes

eDisposition.12 V3.5.0 Split 3 Dispositions Mapping

Approved Individual Revision Requests (Batch #1)

Approved Individual Revision Requests (Batch #2)

Additional revision requests to be considered during the Spring of 2018 are listed here:

Elements with Mandated Value Lists (will be posted in mid-February) 

Revision Requests associated with Individual Elements (Batch #3) (will be considered in mid-March) 

Revision Requests associated with Individual Elements (Batch #4) (will be reviewed in April)

A revised timeline associated with the versioning of the NEMSIS standard can be found here.  As indicated by this timeline, all potential revisions to the NEMSIS V3.4.0 standard are scheduled to be finalized by May of 2018, and reviewed during the NASEMSO 2018 Annual Meeting, held May 21 – 24.