CodeSystem Operations

• lookup — Concept Look Up & Decomposition — Given a code/system, or a Coding, get additional details about the concept, including definition, status, designations, and properties.
• subsumes — Subsumption Testing — Test the subsumption relationship between code/Coding A and code/Coding B given the semantics of subsumption in the underlying code system (see hierarchyMeaning).
• validate-code — Code System based Validation — Validate that a coded value is in the code system.