Items define which Commodity/Product systems they belong to
Items may belong to many Commodity/Product systems
Has a definition for Item serial #
Orderable Commodities/Products define just enough attributes in addition to the Commodity classification that give them use in two parties carrying out a re-supply request and fulfillment cycle. This allows a store that needs more of a commodity, to order that commodity, and gives the fulfilling store choice in which items will be used to fulfill for that ordered commodity.
Inventory
Transactions / movements are immutable.
Stock events/movements may be recorded
By Location (Facility, Store room, Refrigerator, etc)
By Program - you know how many bandages you have accepted by the Malaria program as opposed to how many were accepted by the EPI program
By Commodity
By Item
By Lot
By Serial #
By expiration date (without knowing Lot)
By date the physical event occurred
By date entered into system
Expressed fundamentally by Credits and Debits
Define Stock Adjustment Reasons for an event occurring (e.g. stock was received, stock was lost due to cold chain failure, etc)
Stock Reasons may be grouped into larger semantics (e.g. these 3 debit reasons together define Open Vial Wastage, and these other two define Closed Vial Wastage).