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

CodeDisplayDefinition
central Central SupplySupply is stored and requested from central supply.
nonstock Non-StockSupply is not onsite and must be requested from an outside vendor using a non-stock requisition.
 <status value="draft"/> <experimental value="false"/> <date value="2023-07-17T22:16:15-06:00"/> <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 Category of supply."/> <caseSensitive value="true"/> <valueSet value="http://terminology.hl7.org/ValueSet/supplyrequest-kind"/> <content value="complete"/> <concept> <code value="central"/> <display value="Central Supply"/> <definition value="Supply is stored and requested from central supply."/> </concept> <concept> <code value="nonstock"/> <display value="Non-Stock"/> <definition value="Supply is not onsite and must be requested from an outside vendor using a non-stock requisition."/> </concept> </CodeSystem>