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The information provided on this portal does not contain all necessary tools to complete an integration, rather a focus on information.  The complete SDK is made available via himsa.com.  The complete SDK can be found at 

https://www.himsa.com/members-2/noah-4-business-system-development/

Main items accessible via himsa.com

  • Noah 4 Database Description

  • Noah 4 Database Tester

  • Noah Mobile API Tester

  • Sample Business System with source code

  • Nhax viewer sample application with source code

  • Patient Manager Control

  • Module Bar Control

  • Session Browser Control

  • GAC Files

Data Standards Announcements


Last updated

Noah Alert Dashboard, Service Apps and Noah 4 Compatible Business Systems

As of , HIMSA is announcing the extension of the time period that Noah 4 Compatible Business Systems are required to implement:

  • The Noah Alert Dashboard

  • Support for Service Apps

If a business system developer chooses to not yet support the above features it may apply for a Waiver as discussed at https://himsanoah.atlassian.net/wiki/spaces/AD/pages/1329725526/Full+Business+System+Integration+Procedure#Business-System-Adoption-of-Newer-Versions-of-Noah

Business system developers may apply for a Waiver up to June 30th, 2025.

Further, HIMSA will continually review and potentially extend this date in the future. The review will take place, at minimum, shortly before each HIMSA Advisory Board meeting (each April and October).

This extension is being made due to the slow adoption of the Noah Alert Dashboard. HIMSA still anticipates the eventual usage of this feature as well as service Apps. It is expected that the extensions will cease once 2 HIMSA member companies have announced to HIMSA that they plan to start offering support for the above-noted features. When there is eventual confirmed usage business system suppliers be able to make use of the Waiver program for at least 1 year from the date of the announcement.

HIMSA is sorry for any hardships that they may have caused in project planning efforts and will place greater emphasis on monitoring this topic on a continual basis.


Microsoft released .NET 5 in November 2020. .NET technology is used by HIMSA and also many member companies.

At present, HIMSA does not have any plans to make use of .NET 5 for the features that we deliver (e.g. Noah System 4 user interface) and will continue to target the use of .NET 4.6. HIMSA is, however, aware of member companies that are interested in making use of .NET 5 with their Noah compatible application development.

Making use of .NET 5 with Noah 4 API’s is currently not supported. HIMSA has verified that it is not possible for a .NET 5 application to make use of the below API’s due to HIMSA’s use of .Net Remoting, this is a known incompatibility and impacts the following API’s:

  • Noah 4 Module API

  • Noah 4 Business API

  • Inter Module Communication (IMC)

HIMSA is conducting investigations for options on a potential solution. HIMSA has targeted a solution for availability 1st quarter 2022. More information will be posted here as it becomes available.

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