refs/refs/fhir-omop-ig/input/maps/medication.fml

 1/// url = 'http://hl7.org/fhir/uv/omop/StructureMap/MedicationMap'
 2/// name = 'MedicationMap'
 3/// title = 'Mapping MedicationStatement resource to DrugExposure OMOP Domain'
 4/// status = 'draft'
 5/// description = "This mapping maps FHIR MedicationStatement instances to OMOP Drug Exposure Table objects.  NOTE: It does not map FHIR MedicationRequest instances although there is a discussion of those instances in the notes."
 6
 7uses "http://hl7.org/fhir/StructureDefinition/MedicationStatement" alias MedState as source
 8uses "http://hl7.org/fhir/uv/omop/StructureDefinition/DrugExposure" alias DrugExpTable as target
 9
10group MedExposure(source src : MedState, target tgt : DrugExpTable) {
11        //src.id as id -> tgt.drug_exposure_id = cast(id, "integer");
12        //src.subject as s -> tgt then {
13		//s.identifier as sid -> tgt then {
14		//	sid.value as a -> tgt.person_id = a;
15		//    };
16        //};
17        src.medication : CodeableReference as s -> tgt then {
18          s.concept as scs -> tgt then {
19            scs.coding as sc -> tgt then {
20                sc.code as a -> tgt.drug_concept_id  = a;
21            };
22          };
23        };
24        src.effective : dateTime as edt -> tgt.drug_exposure_start_datetime = edt, tgt.drug_exposure_start_date = cast(edt, "date");
25        src.effective : Period as s -> tgt then {
26            s.start as fps -> tgt.drug_exposure_start_datetime = fps, tgt.drug_exposure_start_date = cast(fps, "date");
27        };
28        src.effective : Period as s -> tgt then {
29            s.end as fpe -> tgt.drug_exposure_end_datetime = fpe, tgt.drug_exposure_end_date = cast(fps, "date");
30        };
31        src.effective : Period as s -> tgt then {
32            s.end as fpe -> tgt.verbatim_end_date = cast(fps, "date");
33        };
34        src.category : CodeableConcept as s -> tgt then {
35            s.coding as sc -> tgt then {
36                sc.code as a -> tgt.drug_type_concept_id = a;
37            };
38        };
39        src.reason : CodeableReference as s -> tgt then {
40          s.concept as scs -> tgt then {
41            scs.coding as sc -> tgt then {
42                sc.code as a -> tgt.stop_reason = a;
43            };
44        };
45    };
46};