|
| 1 | +-- ============================================================================= |
| 2 | +-- 007_clinical_detail.sql |
| 3 | +-- Native relational tables for patient conditions, medications, and allergies. |
| 4 | +-- |
| 5 | +-- Prior to this migration these resource types were imported from Epic and |
| 6 | +-- other EHR sources but only stored as opaque JSON in fhir_resources. They |
| 7 | +-- are now also materialised into structured rows so that: |
| 8 | +-- - the inactivation risk engine can inspect active problem lists and |
| 9 | +-- nephrotoxic / immunosuppressive medication lists |
| 10 | +-- - CDS Hooks services can query conditions and allergies without parsing |
| 11 | +-- JSONB blobs at query time |
| 12 | +-- - OPTN export templates can reference structured clinical context |
| 13 | +-- |
| 14 | +-- Sources: FHIR_R4 (Epic import, direct FHIR POST), HL7_V2, MANUAL entry. |
| 15 | +-- All tables follow the same org-scoped, RLS-protected pattern as 002_clinical. |
| 16 | +-- ============================================================================= |
| 17 | + |
| 18 | +-- --------------------------------------------------------------------------- |
| 19 | +-- patient_conditions |
| 20 | +-- Materialised from FHIR R4 Condition resources. code/system follow SNOMED-CT |
| 21 | +-- or ICD-10-CM as sent by the originating EHR. clinical_status mirrors the |
| 22 | +-- FHIR valueset: active | recurrence | relapse | inactive | remission | |
| 23 | +-- resolved. category mirrors: problem-list-item | encounter-diagnosis. |
| 24 | +-- --------------------------------------------------------------------------- |
| 25 | +CREATE TABLE patient_conditions ( |
| 26 | + id UUID PRIMARY KEY DEFAULT gen_random_uuid(), |
| 27 | + org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE, |
| 28 | + patient_id UUID NOT NULL REFERENCES patients(id) ON DELETE CASCADE, |
| 29 | + code TEXT NOT NULL, |
| 30 | + code_system TEXT, |
| 31 | + display TEXT, |
| 32 | + clinical_status TEXT, |
| 33 | + verification_status TEXT, |
| 34 | + category TEXT, |
| 35 | + onset_date DATE, |
| 36 | + abatement_date DATE, |
| 37 | + notes TEXT, |
| 38 | + source TEXT NOT NULL DEFAULT 'MANUAL' |
| 39 | + CHECK (source IN ('MANUAL', 'FHIR_R4', 'HL7_V2')), |
| 40 | + fhir_resource_id TEXT, |
| 41 | + created_at TIMESTAMPTZ NOT NULL DEFAULT now(), |
| 42 | + updated_at TIMESTAMPTZ NOT NULL DEFAULT now() |
| 43 | +); |
| 44 | + |
| 45 | +CREATE INDEX idx_conditions_patient ON patient_conditions(org_id, patient_id, onset_date DESC); |
| 46 | +CREATE INDEX idx_conditions_code ON patient_conditions(org_id, patient_id, code); |
| 47 | +CREATE INDEX idx_conditions_status ON patient_conditions(org_id, patient_id, clinical_status); |
| 48 | + |
| 49 | +CREATE TRIGGER patient_conditions_updated BEFORE UPDATE ON patient_conditions |
| 50 | + FOR EACH ROW EXECUTE FUNCTION set_updated_at(); |
| 51 | + |
| 52 | +-- --------------------------------------------------------------------------- |
| 53 | +-- patient_medications |
| 54 | +-- Materialised from FHIR R4 MedicationRequest resources. medication_code / |
| 55 | +-- code_system follow RxNorm (system urn:oid:2.16.840.1.113883.6.88) as |
| 56 | +-- returned by Epic. status mirrors the FHIR MedicationRequest.status |
| 57 | +-- valueset: active | on-hold | cancelled | completed | stopped | draft. |
| 58 | +-- --------------------------------------------------------------------------- |
| 59 | +CREATE TABLE patient_medications ( |
| 60 | + id UUID PRIMARY KEY DEFAULT gen_random_uuid(), |
| 61 | + org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE, |
| 62 | + patient_id UUID NOT NULL REFERENCES patients(id) ON DELETE CASCADE, |
| 63 | + medication_code TEXT, |
| 64 | + code_system TEXT, |
| 65 | + medication_name TEXT NOT NULL, |
| 66 | + status TEXT, |
| 67 | + intent TEXT, |
| 68 | + dosage_text TEXT, |
| 69 | + frequency TEXT, |
| 70 | + route TEXT, |
| 71 | + authored_on DATE, |
| 72 | + prescriber TEXT, |
| 73 | + notes TEXT, |
| 74 | + source TEXT NOT NULL DEFAULT 'MANUAL' |
| 75 | + CHECK (source IN ('MANUAL', 'FHIR_R4', 'HL7_V2')), |
| 76 | + fhir_resource_id TEXT, |
| 77 | + created_at TIMESTAMPTZ NOT NULL DEFAULT now(), |
| 78 | + updated_at TIMESTAMPTZ NOT NULL DEFAULT now() |
| 79 | +); |
| 80 | + |
| 81 | +CREATE INDEX idx_medications_patient ON patient_medications(org_id, patient_id, authored_on DESC); |
| 82 | +CREATE INDEX idx_medications_name ON patient_medications(org_id, patient_id, medication_name); |
| 83 | +CREATE INDEX idx_medications_status ON patient_medications(org_id, patient_id, status); |
| 84 | + |
| 85 | +CREATE TRIGGER patient_medications_updated BEFORE UPDATE ON patient_medications |
| 86 | + FOR EACH ROW EXECUTE FUNCTION set_updated_at(); |
| 87 | + |
| 88 | +-- --------------------------------------------------------------------------- |
| 89 | +-- patient_allergies |
| 90 | +-- Materialised from FHIR R4 AllergyIntolerance resources. criticality mirrors |
| 91 | +-- the FHIR valueset: low | high | unable-to-assess. allergy_type: allergy | |
| 92 | +-- intolerance. category: food | medication | environment | biologic. |
| 93 | +-- --------------------------------------------------------------------------- |
| 94 | +CREATE TABLE patient_allergies ( |
| 95 | + id UUID PRIMARY KEY DEFAULT gen_random_uuid(), |
| 96 | + org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE, |
| 97 | + patient_id UUID NOT NULL REFERENCES patients(id) ON DELETE CASCADE, |
| 98 | + code TEXT, |
| 99 | + code_system TEXT, |
| 100 | + display TEXT NOT NULL, |
| 101 | + allergy_type TEXT, |
| 102 | + category TEXT, |
| 103 | + criticality TEXT, |
| 104 | + clinical_status TEXT, |
| 105 | + verification_status TEXT, |
| 106 | + reaction_description TEXT, |
| 107 | + onset_date DATE, |
| 108 | + notes TEXT, |
| 109 | + source TEXT NOT NULL DEFAULT 'MANUAL' |
| 110 | + CHECK (source IN ('MANUAL', 'FHIR_R4', 'HL7_V2')), |
| 111 | + fhir_resource_id TEXT, |
| 112 | + created_at TIMESTAMPTZ NOT NULL DEFAULT now(), |
| 113 | + updated_at TIMESTAMPTZ NOT NULL DEFAULT now() |
| 114 | +); |
| 115 | + |
| 116 | +CREATE INDEX idx_allergies_patient ON patient_allergies(org_id, patient_id); |
| 117 | +CREATE INDEX idx_allergies_code ON patient_allergies(org_id, patient_id, code); |
| 118 | +CREATE INDEX idx_allergies_criticality ON patient_allergies(org_id, patient_id, criticality); |
| 119 | + |
| 120 | +CREATE TRIGGER patient_allergies_updated BEFORE UPDATE ON patient_allergies |
| 121 | + FOR EACH ROW EXECUTE FUNCTION set_updated_at(); |
| 122 | + |
| 123 | +-- --------------------------------------------------------------------------- |
| 124 | +-- Row-level security — same pattern as every other tenant table |
| 125 | +-- --------------------------------------------------------------------------- |
| 126 | +DO $$ |
| 127 | +DECLARE |
| 128 | + tbl TEXT; |
| 129 | + tables TEXT[] := ARRAY['patient_conditions', 'patient_medications', 'patient_allergies']; |
| 130 | +BEGIN |
| 131 | + FOREACH tbl IN ARRAY tables LOOP |
| 132 | + EXECUTE format('ALTER TABLE %I ENABLE ROW LEVEL SECURITY', tbl); |
| 133 | + EXECUTE format('ALTER TABLE %I FORCE ROW LEVEL SECURITY', tbl); |
| 134 | + EXECUTE format( |
| 135 | + 'CREATE POLICY %I ON %I USING (org_id = app_current_org_id()) ' |
| 136 | + 'WITH CHECK (org_id = app_current_org_id())', |
| 137 | + 'tenant_isolation_' || tbl, tbl |
| 138 | + ); |
| 139 | + END LOOP; |
| 140 | +END |
| 141 | +$$; |
| 142 | + |
| 143 | +-- ============================================================================= |
| 144 | +-- 007_clinical_detail.sql complete |
| 145 | +-- ============================================================================= |
0 commit comments