This code system http://hl7.org/fhir/supplydelivery-supplyitemtype defines the following codes:

CodeDisplayDefinition
medication MedicationSupply is a kind of medication.
device DeviceWhat is supplied (or requested) is a device.
biologicallyderivedproduct Biologically Derived ProductSupply is a kind of biologically derived product.
<status value="active"/><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><description value="Status of the supply delivery."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/supplydelivery-supplyitemtype"/><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><concept><code value="biologicallyderivedproduct"/><display value="Biologically Derived Product"/><definition value="Supply is a kind of biologically derived product."/></concept></CodeSystem>