<![CDATA[This study aims to analyze the blood supply inventory control at the Blood Transfusion Unit (UTD) of PMI of Malang city, in response to its suboptimal management. Data shows that there were 15 stockouts and 19 overstocks during the 34-month period from January 2022 to October 2024. This study incorporates the deterministic Economic Order Quantity (EOQ) method, combined with safety stock and reorder point methods. All of which were performed to optimize the blood supply inventory control and to minimize the total inventory cost for all blood types-A, B, O and AB. The Holt’s exponential smoothing was applied to the data pattern indicate certain identifiable trends. The result of the calculations predict the optimal quantity of blood bags for each resupply period, the optimal safety stock, and the optimal reorder point for each blood type. Further, the EOQ method was found to be able to cut the total inventory cost by more than 50% each year for every blood type.]]>
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