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+
+# Expiring Items - Next Month
+
+> Inventory items expiring in the next calendar month, with batch, supplier, and supply details
+
+## Purpose
+
+Lists active inventory products at a specific facility whose `expiration_date` falls within the next calendar month. Each row shows the batch / lot number, stock name, quantity supplied, supply date, expiry date, and the originating supplier.
+
+## Parameters
+
+| Parameter | Type | Description | Example |
+|-----------|------|-------------|---------|
+| `stock_name` | TEXT | Filter by stock / product name (exact match on `emr_productknowledge.name`) | `'Paracetamol'` |
+| `supplier` | TEXT | Filter by supplier organization name (exact match on `emr_organization.name`) | `'MedSupplier Pvt Ltd'` |
+
+---
+
+## Query
+
+```sql
+SELECT
+    p.batch ->> 'lot_number' AS batch,
+    pk.name AS stock_name,
+    sd.supplied_item_quantity AS quantity,
+    sd.created_date AS supply_date,
+    p.expiration_date AS expiry_date,
+    org.name AS supplier_name
+FROM emr_inventoryitem ii
+JOIN emr_product p ON ii.product_id = p.id
+JOIN emr_productknowledge pk ON p.product_knowledge_id = pk.id
+JOIN emr_supplydelivery sd ON sd.supplied_inventory_item_id = ii.id
+JOIN emr_deliveryorder d ON sd.order_id = d.id
+JOIN emr_organization org ON d.supplier_id = org.id
+WHERE p.status = 'active'
+  AND p.facility_id = 11
+  AND sd.status = 'completed'
+  AND p.expiration_date >= date_trunc('month', CURRENT_DATE + INTERVAL '1 month')
+  AND p.expiration_date <  date_trunc('month', CURRENT_DATE + INTERVAL '2 months')
+  --[[AND pk.name = {{stock_name}}]]
+  --[[AND org.name = {{supplier}}]]
+ORDER BY p.expiration_date, pk.name, batch;
+```
+
+## Notes
+
+- The date window covers **the next calendar month** (from the 1st of next month up to but not including the 1st of the month after). Adjust the `INTERVAL` values to widen or shift the window.
+- `p.facility_id = 11` is hardcoded — change this to target a different facility.
+- Only products with `status = 'active'` and supply deliveries in `completed` / `in_progress` status are included.
+- Batch number is extracted from the `p.batch` JSONB column via `->> 'lot_number'`.
+- Results are ordered by earliest expiry first, then stock name and batch.
+
+*Last updated: 2026-06-17*