Search API

This section last updated: 2024-02-29 (9 months ago)

Regenstrief is piloting a new API to allow users to search the extensive LOINC database. This is the same API which powers the SearchLOINC API web app.

A valid LOINC username/password must be passed as basic authentication.

EndPoints

All of these endpoints search the scope specified and utilize the same parameters.

https://loinc.regenstrief.org/searchapi/loincs
https://loinc.regenstrief.org/searchapi/answerlists
https://loinc.regenstrief.org/searchapi/parts
https://loinc.regenstrief.org/searchapi/groups

Parameters

• query – search string
• rows* – integer value to indicate the number of rows to return
• offset* – integer value to indicate the offset, for paging
• sortorder* – string value, specifying which field to sort on and order (desc and asc)
• language* – integer value to indicate which language to return. The integer value for specific languages can be found in the LingusticVariants.csv file in the LOINC release.
• includefiltercounts* – boolean value to indicate if information for filters should be returned with the results

*All of these parameters have default values and are optional.

Example Queries

Without Optional Parameters
https://loinc.regenstrief.org/searchapi/loincs?query=glucose

With All Optional Parameters
https://loinc.regenstrief.org/searchapi/loincs?query=glucose&rows=100&offset=100&sortorder=loinc_num