Follow the Yellow-Brick Code (A Terminology journey)
summary
A practical walkthrough of FHIR Terminology Services using a Wizard of Oz clinical journey shows how coded data moves: code systems, value sets, concept maps and operations like expand and validate-code. Examples include a family-history expansion that returns 105 codes, a typeahead search returning six relevance-ranked matches (top: “accident caused by tornado”), and translate/lookup where some SNOMED CT codes are inactive and require implicit concept maps to find replacements. Demonstrates implicit value sets, closure for subsumption queries, and that translations work sometimes but need maintenance and context.
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chapters (11)
- 0:00Introduction and overview
- 12:35Pre-appointment form data entry
- 18:15Recording coded resources
- 20:42Dr Oz’s clinical encounter
- 24:35Validating received codes
- 27:26Dr West’s diagnosis and treatment
- 28:08HIE code translation for billing
- 32:24Researcher cohort selection
- 35:18Terminology-aware search queries
- 38:31Summary of terminology operations
- 39:56Q&A session
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