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Clinical Vocabulary Standards
Multiple projects in this area continue to promote the development, enhancement, and adoption of clinical vocabulary standards. Inter-terminology mapping promotes the use of standard terminologies by creating maps to administrative terminologies, which allows re-use of encoded clinical data.
- CORE Subset of SNOMED CT: The CORE Problem List Subset is derived from real clinical data from eight large-scale healthcare institutions. It identifies the most frequently used SNOMED CT terms in the problem list.
- Newborn Screening, Coding, & Terminology Guide: The NLM Newborn Screening Coding and Terminology Guide and HRSA/NLM Guidance for Exchanging Electronic Newborn Screening Orders and Results Web site facilitates the use of electronic health data standards (LOINC, SNOMED CT, UCUM, and HL7) in recording and transmitting newborn screening test results. The Guide includes standard codes and terminology for newborn tests and conditions.
- RxNav: RxNav is an interface to the RxNorm database, designed for displaying relations among drug entities. In addition to the browser, we created SOAP-based and RESTful application programming interfaces (APIs) enabling users to integrate RxNorm in their applications.
- RxTerms: RxTerms is a drug interface terminology derived from RxNorm for prescription writing or medication history recording (e.g. in e-prescribing systems, PHRs). The advantages of RxTerms are: Free to use. Directly links to RxNorm, the U.S. drug terminology standard, and facilitates inclusion of RxNorm identifiers in electronic health records. Efficient data entry - RxTerms separates the full names in RxNorm into two parts: drug name + route.