This is a sole source contract to create and update LOINC codes for standardized assessment data elements in the Data Element Library, supporting interoperability in electronic health records. The work aligns with the IMPACT Act of 2014 and the Consolidated Appropriations Act, 2023, which mandate standardized patient assessment data for post-acute care and Inpatient Psychiatric Facilities. The project also supports the Quality Improvement Organizations (QIO) Program by providing critical health IT infrastructure for exchanging assessment content. No specific budget amount or performance location is mentioned in the description. No submission or non-bid timelines are provided.