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00_copied_reference/medicine_lookup_checks/CheckDispeningByVTM.sql

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+-- Snowflake version: Check dispensing by VTM (Virtual Therapeutic Moiety)
+-- Uses GPMeds dispensing data from NATIONAL.GPMED
+
+WITH SnomedCodes AS (
+    SELECT "ProductSnomedCode", "ProductDescription"
+    FROM DATA_HUB.DWH."DimMedicineAndDevice"
+    WHERE "TherapeuticMoietySnomedCode" = '41145911000001106'  -- Tirzepatide VTM
+),
+LatestPeriod AS (
+    SELECT MAX("ProcessingPeriodDate") AS MaxPeriodDate
+    FROM NATIONAL.GPMED."MedicinesDispensedInPrimarycare"
+)
+SELECT *
+FROM NATIONAL.GPMED."MedicinesDispensedInPrimarycare" gpm
+INNER JOIN SnomedCodes sc ON gpm."PaiddmdCode" = sc."ProductSnomedCode"
+CROSS JOIN LatestPeriod lp
+WHERE gpm."ProcessingPeriodDate" > DATEADD(MONTH, -1, lp.MaxPeriodDate)
+    AND gpm."ProcessingPeriodDate" <= lp.MaxPeriodDate
+limit 100;
+
+
+SELECT
+    COUNT(DISTINCT gpm."PatientPseudonym") AS UniquePatientCount,
+    MAX(gpm."ProcessingPeriodDate") AS LatestPeriod
+FROM NATIONAL.GPMED."MedicinesDispensedInPrimarycare" gpm
+INNER JOIN SnomedCodes sc ON gpm."PaiddmdCode" = sc."ProductSnomedCode"
+CROSS JOIN LatestPeriod lp
+WHERE gpm."ProcessingPeriodDate" > DATEADD(MONTH, -1, lp.MaxPeriodDate)
+    AND gpm."ProcessingPeriodDate" <= lp.MaxPeriodDate;