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00_copied_reference/medicine_lookup_checks/CheckPrescribingByVMP.sql

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+-- Snowflake version: Check prescribing by VMP (Virtual Medicinal Product)
+-- Uses unified PrimaryCareMedication table (combines EMIS + TPP)
+
+SET StartDate = '2025-04-01';
+SET EndDate = '2025-07-31';
+
+WITH SnomedCodes AS (
+    SELECT "ProductSnomedCode"
+    FROM DATA_HUB.DWH."DimMedicineAndDevice"
+    WHERE "MedicinalLatestSnomedCode" = '40326811000001109'  -- Specific VMP
+)
+SELECT DISTINCT
+    pcm."PatientPseudonym",
+    pcm."DateMedicationStart" AS EffectiveDate,
+    CAST(pcm."Quantity" AS VARCHAR(20)) AS Quantity
+FROM DATA_HUB.PHM."PrimaryCareMedication" pcm
+INNER JOIN SnomedCodes sc ON pcm."SNOMEDCode" = sc."ProductSnomedCode"
+WHERE pcm."DateMedicationStart" BETWEEN $StartDate AND $EndDate
+    AND pcm."PatientPseudonym" IS NOT NULL;