Using CQL With FHIR
3.0.0-ballot - STU 3 Ballot International flag

Using CQL With FHIR, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 3.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cql-ig/ and changes regularly. See the Directory of published versions

ValueSet: Selectivity Form Value Set

Official URL: http://hl7.org/fhir/uv/cql/ValueSet/selectivity-form Version: 3.0.0-ballot
Standards status: Trial-use Maturity Level: 1 Computable Name: SelectivityForm
Other Identifiers: OID:2.16.840.1.113883.4.642.40.37.48.10

The form of the selectivity description of an expression, either conjunctive or disjunctive.

References

Logical Definition (CLD)

 

Expansion

Expansion performed internally based on codesystem Selectivity Form Code System v3.0.0-ballot (CodeSystem)

This value set contains 3 concepts

SystemCodeDisplay (en)DefinitionJSONXML
http://hl7.org/fhir/uv/cql/CodeSystem/selectivity-form  totalTotalIndicates the query selectivity completely covers the criteria in the query (i.e. the query is in CNF/DNF, and all terms are sargeable).
http://hl7.org/fhir/uv/cql/CodeSystem/selectivity-form  conjunctiveConjunctiveIndicates the query selectivity represents criteria in Conjunctive Normal Form (CNF) (i.e. a conjunction of disjunctions).
http://hl7.org/fhir/uv/cql/CodeSystem/selectivity-form  disjunctiveDisjunctiveIndicates the query selectivity represents criteria in Disjunctive Normal Form (DNF) (i.e. a disjunction of conjunctions).

Description of the above table(s).