SNOMED overview
summary
SNOMED CT is a concept-based clinical ontology with 350,000 clinical codes, immutable identifiers and FSNs, multi-language synonyms, proofed history and inactivation tracing, and relationship attributes that let machines infer things like site, method, or cause. FHIR Terminology Services support lookup, validate, subsumes, translate (maps to ICD‑10‑CM), expand value sets and return a concept’s normal form expression. Reference sets power national reporting (example: a GP refset with 4,289 members) and you can drive dynamic value sets with Expression Constraint Language (ECL) through an open-source FHIR-enabled terminology server.
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chapters (10)
- 0:00Introduction to SNOMED CT
- 2:08Core components of SNOMED
- 4:41Concepts and identifiers
- 7:24Descriptions and translations
- 12:51Relationships and hierarchy
- 16:50Reference sets and value sets
- 20:05FHIR terminology services
- 30:52Advanced data retrieval
- 34:05ECL and advanced querying
- 38:55Conclusion and resources
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