This page is part of the FHIR Specification v4.1.0: R4B Ballot. About the R4B version of FHIR. The current version which supercedes this version is 5.0.0.  For a full list of available versions, see the Directory of published versions  . Page versions: R5 R4B R4 R3
. Page versions: R5 R4B R4 R3
| Vocabulary  Work Group | Maturity Level: N | Normative (from v4.0.0) | Security Category: Anonymous | Compartments: Not linked to any defined compartments | 
This resource has 4 operations operations associated with it:
| $lookup | Concept Look Up & Decomposition | Normative | 
| $validate-code | Code System based Validation | Normative | 
| $subsumes | Subsumption Testing | Normative | 
| $find-matches | Finding codes based on supplied properties | Trial Use | 
For more information about operations, including how they are invoked, see Operations.