MRCM Maintenance Tool User Guide

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How to browse the SNOMED CT domains to view their applicable attributes and constraints for that domain.

Prerequisite steps: Open the MRCM Maintenance Tool (MRCM Browser).

Tell me more about the Machine Readable Concept Model (MRCM).

StepsReferences



The MRCM Maintenance Tool opens in a new tab/window (depending on your web browser options), containing:

  • Branding and identity header
  • Context and actions bar
  • Domain panel
  • Applicable Attributes panel
  • Attribute Range panel
  • Copyright notice, help and contact us footer

The header contains site branding and an MRCM version selector (the default selection is the last published SNOMED CT release).

Below the header, the context and actions bar runs across the three main content panels. Currently selected items appear to the left of this bar (initially empty when nothing is selected), and a RESET button is available to its right (this clears any selections and initialises the content panels).

The Domain panel shows a nested tree-view listing of SNOMED CT domains and sub-domains. Navigate the tree-view listing to browse the domains and sub-domains.

By default the Applicable Attributes panel shows all available attributes. When an applicable attribute is selected, the Attribute Range panel shows that attribute's range details.

The footer contains a copyright notice, help link (which opens this user guide), and a contact us link (identical to that in the Authoring Platform footer).

Browse older versions of the MRCM

Use the header Version drop-down selector to set the version of MRCM to be browsed.


The default option is the most recent SNOMED CT release. The other options are previous published versions of SNOMED CT, each of which shows the MRCM details for that version.

The Domain panel shows a nested tree-view listing of SNOMED CT domains and sub-domains.

Scroll up and down the listing via the scroll-bar to the right of the Domain panel, move up and down the list via your keyboard and keys, or drag your cursor onto the desired Domain name until it is highlighted.

The domain names are active - when highlighted, pressing one will change the context of the Applicable Attributes panel to those matching the domain, and also expand the Domain Details sub-panel at the base of the Domain panel.

The Domain Details sub-panel can be toggled closed/open when a domain name is selected. This presents details corresponding to the MRCM domain reference set fields for the selected domain:

  • Domain Constraint (ECL expression)
  • Proximal Primitive Constraint (ECL expression)
  • Guide URL (link to the relevant section of the SNOMED CT Editorial Guide)
  • Precoordinated Domain Template (ECL expression)
  • Postcoordinated Domain Template (ECL expression)

When open, press on the right of the sub-panel title bar to close the Domain Details sub-panel.

When closed, press in the sub-panel title bar to open it.

The listed domains can be filtered by typing match text into the Filter Domains... text box above the list.

Clear the Filter Domains... box by deleting the text or pressing the X button at the right of the text box, to remove the filtering and re-show all domains.

Alternatively, press RESET to the right of the context and actions bar (upper right corner above the three main content panels). A popup confirmation box overlays the centre of the view, with options to continue with RESET or CANCEL. Pressing RESET in the confirmation box clears all three content panels back to their initial view state (not just the Domain list).

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