initial commit

00_copied_reference/medicine_lookup_checks/CheckDispeningByVMP.sql

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+-- Snowflake version: Check dispensing by VMP (Virtual Medicinal Product)
+-- Uses GPMeds dispensing data from NATIONAL.GPMED
+
+WITH SnomedCodes AS (
+    SELECT "ProductSnomedCode"
+    FROM DATA_HUB.DWH."DimMedicineAndDevice"
+    WHERE "MedicinalLatestSnomedCode" = '40326811000001109'  -- Specific VMP
+),
+LatestPeriod AS (
+    SELECT MAX("ProcessingPeriodDate") AS MaxPeriodDate
+    FROM NATIONAL.GPMED."MedicinesDispensedInPrimarycare"
+)
+SELECT
+    gpm."ProcessingPeriodDate",
+    dos."OrganisationName",
+    COUNT(DISTINCT gpm."PatientPseudonym") AS UniquePatientCount,
+    SUM(gpm."ItemCount") AS TotalItemsDispensed,
+    SUM(gpm."PaidQuantity") AS TotalQuantityDispensed
+FROM NATIONAL.GPMED."MedicinesDispensedInPrimarycare" gpm
+INNER JOIN SnomedCodes sc ON gpm."PaiddmdCode" = sc."ProductSnomedCode"
+LEFT JOIN DATA_HUB.DWH."DimOrganisationAndSite" dos
+    ON gpm."CostCentreODSCode" = dos."SiteCode"
+CROSS JOIN LatestPeriod lp
+WHERE gpm."ProcessingPeriodDate" > DATEADD(MONTH, -12, lp.MaxPeriodDate)
+    AND gpm."ProcessingPeriodDate" <= lp.MaxPeriodDate
+GROUP BY gpm."ProcessingPeriodDate", dos."OrganisationName", gpm."CostCentreODSCode"
+ORDER BY gpm."ProcessingPeriodDate", dos."OrganisationName";

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;

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;

00_copied_reference/medicine_lookup_checks/CheckPrescribingByVTM.sql

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+-- Snowflake version: Check prescribing by VTM (Virtual Therapeutic Moiety)
+-- Uses unified PrimaryCareMedication table (combines EMIS + TPP)
+
+SET StartDate = '2025-11-01';
+SET EndDate = '2025-12-31';
+
+WITH SnomedCodes AS (
+    SELECT "ProductSnomedCode", "ProductDescription"
+    FROM DATA_HUB.DWH."DimMedicineAndDevice"
+    WHERE "TherapeuticMoietySnomedCode" = '41145911000001106'  -- Tirzepatide VTM
+)
+SELECT DISTINCT
+    dos."OrganisationName",
+    dp."PersonKey",
+    pcm."DateMedicationStart" AS EffectiveDate,
+    sc."ProductDescription",
+    CAST(pcm."Quantity" AS VARCHAR(20)) AS Quantity,
+    pcm."QuantityText" AS Dosage
+FROM DATA_HUB.PHM."PrimaryCareMedication" pcm
+INNER JOIN DATA_HUB.DWH."DimPerson" dp
+    ON pcm."PatientPseudonym" = dp."PatientPseudonym"
+INNER JOIN SnomedCodes sc
+    ON pcm."SNOMEDCode" = sc."ProductSnomedCode"
+INNER JOIN DATA_HUB.DWH."DimOrganisationAndSite" dos
+    ON dp."CurrentGeneralPractice" = dos."SiteCode"
+WHERE pcm."DateMedicationStart" BETWEEN $StartDate AND $EndDate
+    AND pcm."PatientPseudonym" IS NOT NULL
+    AND dos."OrganisationSubType" = 'GP Practice'
+    AND dos."IsSiteNorfolkAndWaveney" = 'Yes'
+    AND dos."IsSiteActive" = 'Yes';

00_copied_reference/medicine_lookup_checks/CheckPrescribingByVTMMonthlyCount.sql

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+-- Snowflake version: Check prescribing by VTM (Virtual Therapeutic Moiety)
+-- Uses unified PrimaryCareMedication table (combines EMIS + TPP)
+
+SET StartDate = '2025-05-01';
+SET EndDate = '2025-11-30';
+
+WITH SnomedCodes AS (
+    SELECT "ProductSnomedCode", "ProductDescription"
+    FROM DATA_HUB.DWH."DimMedicineAndDevice"
+    WHERE "TherapeuticMoietySnomedCode" = '41145911000001106'  -- Tirzepatide VTM
+)
+SELECT
+    DATE_TRUNC('MONTH', pcm."DateMedicationStart") AS PrescribingMonth,
+    COUNT(DISTINCT dp."PersonKey") AS UniquePatientCount
+FROM DATA_HUB.PHM."PrimaryCareMedication" pcm
+INNER JOIN DATA_HUB.DWH."DimPerson" dp
+    ON pcm."PatientPseudonym" = dp."PatientPseudonym"
+INNER JOIN SnomedCodes sc
+    ON pcm."SNOMEDCode" = sc."ProductSnomedCode"
+INNER JOIN DATA_HUB.DWH."DimOrganisationAndSite" dos
+    ON dp."CurrentGeneralPractice" = dos."SiteCode"
+WHERE pcm."DateMedicationStart" BETWEEN $StartDate AND $EndDate
+    AND pcm."PatientPseudonym" IS NOT NULL
+    AND dos."OrganisationSubType" = 'GP Practice'
+    AND dos."IsSiteNorfolkAndWaveney" = 'Yes'
+    AND dos."IsSiteActive" = 'Yes'
+GROUP BY DATE_TRUNC('MONTH', pcm."DateMedicationStart")
+ORDER BY PrescribingMonth

00_copied_reference/medicine_lookup_checks/CheckPrescribingByVTM_3Months.sql

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+-- Snowflake version: Check prescribing by VTM for last 3 months
+-- Uses unified PrimaryCareMedication table (combines EMIS + TPP)
+-- Dynamically calculates date range from latest data
+
+WITH LatestDate AS (
+    SELECT DATEADD(DAY, 1, MAX("DateMedicationStart")::DATE) AS EndDate
+    FROM DATA_HUB.PHM."PrimaryCareMedication"
+    WHERE "DateMedicationStart" >= DATEADD(MONTH, -6, CURRENT_DATE())
+),
+DateRange AS (
+    SELECT
+        EndDate,
+        DATEADD(MONTH, -3, EndDate) AS StartDate
+    FROM LatestDate
+),
+SnomedCodes AS (
+    SELECT "ProductSnomedCode", "ProductDescription"
+    FROM DATA_HUB.DWH."DimMedicineAndDevice"
+    WHERE "TherapeuticMoietySnomedCode" = '775477008'  -- Tirzepatide VTM
+),
+AllPatients AS (
+    SELECT DISTINCT pcm."PatientPseudonym"
+    FROM DATA_HUB.PHM."PrimaryCareMedication" pcm
+    INNER JOIN SnomedCodes sc ON pcm."SNOMEDCode" = sc."ProductSnomedCode"
+    CROSS JOIN DateRange dr
+    WHERE pcm."DateMedicationStart" > dr.StartDate
+        AND pcm."DateMedicationStart" <= dr.EndDate
+        AND pcm."PatientPseudonym" IS NOT NULL
+)
+SELECT
+    COUNT(DISTINCT "PatientPseudonym") AS UniquePatientCount,
+    (SELECT StartDate FROM DateRange) AS StartDate,
+    (SELECT EndDate FROM DateRange) AS EndDate
+FROM AllPatients;