1. Add a new row to the table here:   https://build.fhir.org/codesystem.html#filters Property name = code Operation = regex Value = string Definition = Matches any concept with the code matching the supplied string. Notes: The regex flavor is determined by the server. 2. Update the section and table here:   https://build.fhir.org/codesystem.html#defined-props Change the heading from Standard Properties to Standard $lookup Properties Change the text in the usage column to the following values display:  The recommended display for the concept, if one is known. designation: Other designations for the concept lang.X: add a right parens at the end name: Remove the sentence "Note this was also known as system, but this is deprecated