TOPIC
SNOMED CT
6 entries across the knowledge base
Post-coordination & expressionsWhen no single code says it, compose one: pre-coordinated codes vs. expressions built from parts, in compositional grammar.concept · 9 min · practitionerECL — querying SNOMEDExpression Constraint Language: one line that selects exactly the set of concepts you mean — subtypes, attributes, refinements and all.interactive · 12 min · practitionerRefsets, extensions & SNOMED IndiaReference sets subset the terminology; national extensions add to it without forking. India's NRCeS makes SNOMED CT free in-country.reference · 8 min · expertWhat SNOMED CT actually isThe world's largest clinical terminology is just three building blocks — concepts, descriptions, relationships. Everything else is detail.article · 6 min · foundationConcepts, descriptions & FSNsA concept is the meaning; descriptions are its names. The FSN is the one name engineered to be unambiguous.concept · 7 min · foundationHierarchies & is-a relationshipsEvery SNOMED concept lives in a tree of meaning. 'Is-a' links are what let one rule catch a thousand diagnoses.article · 10 min · foundation