Inventory Management in Medical Stores of Secondary Care Unit Service Level Hospitals in Northeast of Thailand

doi: 10.14456/mijet.2018.4


  • Siwadol Kanyakam Rajabhat Maha Sarakham University
  • Wongphaka Pimpa Rajabhat Maha Sarakham University
  • Kiattibhum Kamlai Rajabhat Maha Sarakham University


ABC-VED matrix, forecasting, EOQ, ROP, government hospital


Non-profit organizations such as the government hospitals have a core function to provide high quality services for the people and societies. However, most hospitals encountered problems of high cost for inventory controlling for the drugs in the medical stores. This research presents the inventory management model that aims to improve efficient inventory control for the medical stores while enhancing the satisfaction of the service of the secondary care unit service level hospitals in the Northeast of Thailand. The proposed ABC-VED matrix analytical model was proposed to classify and define criticality for the drug items under study. The analytical results obtained from the proposed model showed that the vital and expensive drug category (category I) contained the highest cost by 70.85% (164,056,376 baht) of the total expenditure. In addition, the always used and essential drugs (AE) sub-category I was the most influent category on the cost of the drug control under the study, which affected by 95.75% (157,087,143 baht) of the total expenditure of category I. The analysis based exponential smoothing technique was also adopted to predict the demand of 95 drug items of AE sub-category I and was measured by the economic order quantity (EOQ) and re-order point (ROP) analytical model. The result finally showed that the proposed ABC-VED model could reduce the total costs by 0.046% (6,283,485.72 baht) compared to the conventional First Expire-First Oupt (FEFO) model.

Author Biographies

Siwadol Kanyakam, Rajabhat Maha Sarakham University

Department of Management Engineering,

Rajabhat Maha Sarakham University,

Amphur Muang,

Maha Sarakham, 44000


Wongphaka Pimpa, Rajabhat Maha Sarakham University

Department of Management Engineering,

Rajabhat Maha Sarakham University,

Amphur Muang,

Maha Sarakham, 44000


Kiattibhum Kamlai, Rajabhat Maha Sarakham University

Department of Management Engineering,

Rajabhat Maha Sarakham University,

Amphur Muang,

Maha Sarakham, 44000



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How to Cite

Kanyakam, S., Pimpa, W., & Kamlai, K. (2018). Inventory Management in Medical Stores of Secondary Care Unit Service Level Hospitals in Northeast of Thailand: doi: 10.14456/mijet.2018.4. Engineering Access, 4(1), 17–23. Retrieved from



Research Papers