diff --git a/src/app/api/settings/item/index.ts b/src/app/api/settings/item/index.ts
index e85933e0..f23c1145 100644
--- a/src/app/api/settings/item/index.ts
+++ b/src/app/api/settings/item/index.ts
@@ -66,6 +66,9 @@ export type ItemsResult = {
   latestMarketUnitPrice?: number;
   latestMupUpdatedDate?: string;
   purchaseUnit?: string;
+  uomId?: number;
+  uom?: string;
+  uomDesc?: string;
 };
 
 export type Result = {
diff --git a/src/app/api/stockAdjustment/actions.ts b/src/app/api/stockAdjustment/actions.ts
index c42e0c09..f7742248 100644
--- a/src/app/api/stockAdjustment/actions.ts
+++ b/src/app/api/stockAdjustment/actions.ts
@@ -16,6 +16,7 @@ export interface StockAdjustmentLineRequest {
   expiryDate: string;
   warehouseId: number;
   uom?: string | null;
+  uomId?: number | null;
   remarks?: string | null;
 }
 
diff --git a/src/components/InventorySearch/InventoryLotLineTable.tsx b/src/components/InventorySearch/InventoryLotLineTable.tsx
index 237112dc..c3a886a5 100644
--- a/src/components/InventorySearch/InventoryLotLineTable.tsx
+++ b/src/components/InventorySearch/InventoryLotLineTable.tsx
@@ -44,6 +44,7 @@ type AdjustmentEntry = InventoryLotLineResult & {
   isNew?: boolean;
   isOpeningInventory?: boolean;
   remarks?: string;
+  uomId?: number;
 };
 
 
@@ -61,7 +62,7 @@ interface Props {
     onStockAdjustmentSuccess?: () => void | Promise<void>;
 }
 
-/** FP-MTMS Version Checklist | Functions Ref. No. 3 | v1.0.8 | 2026-09-10 */
+/** FP-MTMS Version Checklist | Functions Ref. No. 3 | v1.0.9 | 2026-09-16 */
 const InventoryLotLineTable: React.FC<Props> = ({
   inventoryLotLines, pagingController, setPagingController, totalCount, inventory,
   filterLotNo,
@@ -157,6 +158,7 @@ const prevAdjustmentModalOpenRef = useRef(false);
                     adjustedQty: line.availableQty ?? 0,
                     originalQty: line.availableQty ?? 0,
                     remarks: '',
+                    uomId: inventory.stockUomId ?? inventory.uomId,
                 }));
                 setAdjustmentEntries(initial);
                 originalAdjustmentLinesRef.current = initial;
@@ -276,6 +278,7 @@ const prevAdjustmentModalOpenRef = useRef(false);
             expiryDate,
             warehouseId: line.warehouse?.id ?? 0,
             uom: line.uom ?? null,
+            uomId: line.uomId ?? null,
             remarks: line.remarks?.trim() || null,
         };
     }, []);
@@ -345,6 +348,7 @@ const prevAdjustmentModalOpenRef = useRef(false);
             status: 'available',
             availableQty: addEntryForm.qty,
             uom: inventory.uomUdfudesc || inventory.uomShortDesc || inventory.uomCode,
+            uomId: inventory.stockUomId ?? inventory.uomId,
             qtyPerSmallestUnit: inventory.qtyPerSmallestUnit ?? 1,
             baseUom: inventory.baseUom || '',
             stockInLineId: 0,
diff --git a/src/components/InventorySearch/InventorySearch.tsx b/src/components/InventorySearch/InventorySearch.tsx
index 170f051e..8e908e23 100644
--- a/src/components/InventorySearch/InventorySearch.tsx
+++ b/src/components/InventorySearch/InventorySearch.tsx
@@ -62,6 +62,7 @@ type ItemLookupRow = {
   type?: string;
   uom?: string;
   uomDesc?: string;
+  uomId?: number;
   purchaseUnit?: string;
 };
 
@@ -83,7 +84,7 @@ const inventoryPageRowKey = (row: InventoryResult, byLocation: boolean) =>
     ? `${row.itemId}-${row.uomId ?? row.stockUomId ?? row.uomUdfudesc ?? ''}`
     : String(row.id);
 
-/** FP-MTMS Version Checklist | Functions Ref. No. 18 | v1.0.4 | 2026-09-10 */
+/** FP-MTMS Version Checklist | Functions Ref. No. 18 | v1.0.5 | 2026-09-16 */
 const InventorySearch: React.FC<Props> = ({
   inventories,
   printerCombo,
@@ -108,10 +109,11 @@ const InventorySearch: React.FC<Props> = ({
       onHoldQty: 0,
       unavailableQty: 0,
       availableQty: 0,
+      uomId: item.uomId != null ? Number(item.uomId) : undefined,
       uomCode: item.uom || uom,
       uomUdfudesc: uom,
       uomShortDesc: item.uom || uom,
-      stockUomId: undefined,
+      stockUomId: item.uomId != null ? Number(item.uomId) : undefined,
       qtyPerSmallestUnit: 1,
       baseUom: uom,
       price: 0,