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How to search for concepts with terms in an extension language or dialect.

Prerequisite steps: Log in to the Authoring Platform as an author with extension project access credentials; Open one of my tasks (open task as an Author) within an extension project; Search for concepts by text or SCTID query

See also: Search for concepts using Chinese characters

Tell me more about Working in an extension (Managed Service and Training Authoring differences).


When searching, the search query will match against any content, including translated terms, and the default search results presents the matched concepts using the Preferred Term in the first available extension language or dialect. The search results panel is initially empty, awaiting entry of a search query (type at least three characters to trigger type-ahead searching).

Extension authoring search has two additional filtering options (not available in International authoring), to focus the results based on:

  • Language Reference Set membership (multiple combination options).
  • Extension language or dialect Preferred Terms (single selection option).

These are available below the Active Only | Inactive Only | Active and Inactive publication status filter button and the Switch to ECL button in the search panel header bar (below the search query box).

To constrain the search to a specific language reference set, press the Language Refsets multi-option selector, and make a selection of any combination from those available. The search results will only show matches to content found in the selected language reference sets. The screenshot example shows the options available in the ms-belgium extension, which are:

  • US English
  • Belgian French language reference set
  • Belgian Dutch language reference set
  • GB English

Enable the desired filtering by pressing the relevant checkboxes (toggle on/off). Once a specific selection has been made, the choices made are shown in the button in place of the initial Language Refsets label. The initial search filtering is equivalent to enabling all options.

Some optional combinations can result in no search matches

Be aware that some combinations of language reference set constraints and language or dialect filtering may give no results - for instance searching for a Dutch word with only the French Language Reference Set selected - since the Dutch word is only present in the Belgian Dutch language reference set, it will only be found if that option is selected.

To constrain the search to a specific language or dialect, press the Filter by single option selector. A list of language display options are presented for the Fully Specified Name (FSN) and Preferred Term (PT) for each available language/dialect. As an example these are the options for ms-belgium:

  • FSN in US
  • PT in FR
  • PT in NL

Press an option to select that language/dialect for the Search results preferred terms (PT in FR is the default option for ms-belgium).

Extension language / dialect variations

Each extension will show variations matching the PT language and dialect options presented when editing a new concept. These are defined in the extension baseline branch metadata when the extension is first setup for authoring - as of March 2021 these include:







Chinese Traditional Medicineen-USen-USzh

Common German Community Projecten-USen-USde

The preferred terms in the Search results are updated to show the selected language option.

Preferred terms that are not yet translated

If there is no translated term available in a selected extension language-dialect, the terms will fall back to the en-US PT (required for all concepts), so a mix of the selected language/dialect and en-US terms should be expected if full coverage of PT translations is not available for a given extension and set of search matches.