The National Library of Medicine (NLM) Value Set Authority Center (VSAC) has updated VSAC with the most recent provisional terminology codes published by RxNorm and LOINC® in response to the COVID-19 pandemic.

These RxNorm investigational and LOINC® pre-release special use provisional codes were developed in response to the COVID-19 pandemic and they are based on the most up to date information available at the time of their creation.

• Code System: RxNorm
• VSAC Code System Version: Provisional_2020-10-01
• Additional Information: Investigational Drugs in RxNorm

• Code System: LOINC
• VSAC Code System Version: Provisional_2020-09-28
• Additional Information: LOINC Prerelease Terms, Special Use Codes Only

Value set authors who create COVID-19 related value sets can Contact NLM to request their COVID-19 value sets be included in a prefiltered VSAC search.

Find information about COVID-19 provisional codes in VSAC.

Questions? Contact Us

Last Reviewed: October 7, 2020