The [Subsumes](https://cql.hl7.org/04-logicalspecification.html#subsumes) and [SubsumedBy](https://cql.hl7.org/04-logicalspecification.html#subsumedby) functions are terminological operators that determine if codes are equivalent or if one subsumes the other. This is a complex terminological operation that requires the capabilities of a terminology server.
The Subsumes and SubsumedBy functions are terminological operators that determine if codes are equivalent or if one subsumes the other.
This is a complex terminological operation that requires the capabilities of a terminology server.