This code system http://hl7.org/fhir/clinical-use-definition-category defines the following codes:

Code Display
Pregnancy Pregnancy and Lactation
Overdose Overdose
DriveAndMachines Effects on Ability to Drive and Use Machines
<status value="draft"/> <experimental value="false"/> <date value="2021-01-05T10:01:24+11:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/clinical-use-definition-category"/> <content value="complete"/> <concept> <code value="Pregnancy"/> <display value="Pregnancy and Lactation"/> </concept> <concept> <code value="Overdose"/> <display value="Overdose"/> </concept> <concept> <code value="DriveAndMachines"/> <display value="Effects on Ability to Drive and Use Machines"/> </concept> </CodeSystem>