Paper Title
A STUDY OF MEDICINE INVENTORY MANAGEMENT BY LEAN CONCEPT OF KALASIN HOSPITAL

Abstract
Abstract - This study aims to 1) reduce waste in managing drug warehouses at Kalasin Hospital and 2) enhance the efficacy of drug warehouse management at Kalasin Hospital. The study involved 34 participants, including pharmacists, nurses, pharmaceutical officers, and drug transport officers. Data collection methods included a structured instrument and an activity characteristics table. Value Stream Mapping (VSM) analysis, semi-structured interviews, and identifying the 7 Wastes of the Production Process were employed for data analysis. The findings revealed significant improvements in drug inventory management with Lean thinking implementation. Before optimization, nine primary activities and 19 sub-activities were reduced to 7 and 13 after the improvements. Challenges included personnel's understanding of Lean thinking, time constraints, equipment and workspace limitations, and a narrow scope. Recommendations for implementing Lean principles in Kalasin Hospital are provided to enhance efficiency in the medication warehouse and other departments. Keywords - Lean, Lean Manufacturing, Wastes, Activity.