TOPIC
Terminology
9 entries across the knowledge base
UCUM unitsOne unambiguous code for every unit of measure — because mg/dL vs mmol/L confusion is a patient-safety issue, not a formatting nit.concept · 2 min · foundationLOINCThe universal codes for lab tests and observations — answering 'which question was asked?' while SNOMED answers 'what was found?'concept · 3 min · foundationICD-11WHO's classification for counting disease — fully digital, API-first, with a traditional-medicine chapter India helped shape.concept · 3 min · foundationECL — querying SNOMEDExpression Constraint Language: one line that selects exactly the set of concepts you mean — subtypes, attributes, refinements and all.interactive · 12 min · practitionerPost-coordination & expressionsWhen no single code says it, compose one: pre-coordinated codes vs. expressions built from parts, in compositional grammar.concept · 9 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 · 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 · foundationConcepts, descriptions & FSNsA concept is the meaning; descriptions are its names. The FSN is the one name engineered to be unambiguous.concept · 7 min · foundation