Products

The 3M HDD - a database built up with software and services to capitalize on your EHR and terminology investments.
A revolutionary model for maintaining multiple versions of terminologies, map sets and values sets concurrently.
A clinical team with vast knowledge in healthcare informatics.
An open source version with basic features, called HDD Access, to get your feet wet.

Feature	3M HDD	HDD Access
Content
Release Schedule	Monthly	Annually
Custom Map Sets	Yes	No
Value Sets	Yes	No
Multiple Versions Concurrently	Yes	No
Additional/Custom Terminologies	* Add-on option	* Add-on option
Software
Graphical User Interface	Yes	Yes
Automated Mapping Tool	Yes	No
Advanced Search and Visualization Features	Yes	No
API (RESTful web services)	Yes	Yes
Content Versioning APIs	Yes	No
Cloud Hosting	Yes	No
Professional Services
Software Support	Yes	* Add-on option
Mapping Services	* Add-on option	* Add-on option
Consulting and Education	* Add-on option	* Add-on option
* Available as an add-on option.