This code system http://terminology.hl7.org/CodeSystem/supply-item-type defines the following codes:

CodeDisplayDefinition
medication MedicationSupply is a kind of medication.
device DeviceWhat is supplied (or requested) is a device.
 <status value="draft"/> <experimental value="false"/> <date value="2021-03-06T13:53:33-07:00"/> <publisher value="FHIR Project team"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> </contact> <description value="This value sets refers to a specific supply item."/> <caseSensitive value="true"/> <valueSet value="http://terminology.hl7.org/ValueSet/supplydelivery-type"/> <content value="complete"/> <concept> <code value="medication"/> <display value="Medication"/> <definition value="Supply is a kind of medication."/> </concept> <concept> <code value="device"/> <display value="Device"/> <definition value="What is supplied (or requested) is a device."/> </concept> </CodeSystem>