FHIR IG analytics| Package | silfhirprofileig |
| Resource Type | StructureMap |
| Id | StructureMap-ExtractCpapMonitoringChart.json |
| FHIR Version | R5 |
| Source | https://build.fhir.org/ig/savannahghi/sil_fhir_profile_ig/StructureMap-ExtractCpapMonitoringChart.html |
| URL | https://fhir.slade360.co.ke/fhir/StructureMap/ExtractCpapMonitoringChart |
| Version | 0.1.0 |
| Status | active |
| Date | 2026-09-11T12:18:36+00:00 |
| Name | ExtractCpapMonitoringChart |
| Title | CPAP Monitoring Chart Extraction |
| Description | One settings panel per reading rather than three loose Observations, for the same reason as the ventilator chart: a flow of 8 L/min means one thing at a distending pressure of 5 cmH2O and another at 8, and nobody joins three separate Observations by timestamp to see it. The panel is coded to LOINC 35410-0, continuous positive airway pressure, and the three columns ride as components under the codes the paper actually labels them with. |
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Generated Narrative: StructureMap ExtractCpapMonitoringChart
/// url = 'https://fhir.slade360.co.ke/fhir/StructureMap/ExtractCpapMonitoringChart' /// name = 'ExtractCpapMonitoringChart' /// title = 'CPAP Monitoring Chart Extraction' /// status = 'active' /// description = 'One settings panel per reading rather than three loose Observations, for the same reason as the ventilator chart: a flow of 8 L/min means one thing at a distending pressure of 5 cmH2O and another at 8, and nobody joins three separate Observations by timestamp to see it. The panel is coded to LOINC 35410-0, continuous positive airway pressure, and the three columns ride as components under the codes the paper actually labels them with.' uses "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse" alias QR as source uses "http://hl7.org/fhir/StructureDefinition/Bundle" alias Bundle as target uses "http://hl7.org/fhir/StructureDefinition/Observation" alias Observation as target group ExtractCpapMonitoringChart(source qr : QR, target bundle : Bundle) { qr -> bundle.type = 'transaction' "setBundleType"; qr.item as row where ((linkId = 'reading') and item.answer.value.exists()) -> bundle.entry as entry, entry.resource = create('Observation') as obs then { qr -> obs, entry then BuildObsBase(qr, obs, entry) "base"; qr -> obs then SetExamCategory(qr, obs) "category"; row -> obs.code as cc then { row -> cc.coding as cg then { row -> cg.system = 'http://loinc.org' "sys"; row -> cg.code = '35410-0' "cd"; row -> cg.display = 'Continuous positive airway pressure Respiratory system' "dsp"; } "coding"; row -> cc.text = 'CPAP settings on the monitoring chart' "codeText"; } "code"; // The paper labels this column PEEP, and on a CPAP circuit the distending // pressure and the end-expiratory pressure are the same number. Coded to // 20075-8 rather than repeating the panel code, so a query for PEEP across // the ventilator chart and this one finds both. row.item as it where ((linkId = 'reading/peep') and answer.value.exists()) -> obs.component as comp then { it -> comp.code as cc then { it -> cc.coding as cg then { it -> cg.system = 'http://loinc.org' "sys"; it -> cg.code = '20075-8' "cd"; it -> cg.display = 'PEEP Respiratory system' "dsp"; } "coding"; } "code"; it -> comp then SetComponentValue(it, comp) "value"; } "comp_20075_8"; row.item as it where ((linkId = 'reading/flow') and answer.value.exists()) -> obs.component as comp then { it -> comp.code as cc then { it -> cc.coding as cg then { it -> cg.system = 'http://loinc.org' "sys"; it -> cg.code = '3151-8' "cd"; it -> cg.display = 'Inhaled oxygen flow rate' "dsp"; } "coding"; } "code"; it -> comp then SetComponentValue(it, comp) "value"; } "comp_3151_8"; row.item as it where ((linkId = 'reading/fio2') and answer.value.exists()) -> obs.component as comp then { it -> comp.code as cc then { it -> cc.coding as cg then { it -> cg.system = 'http://loinc.org' "sys"; it -> cg.code = '3150-0' "cd"; it -> cg.display = 'Inhaled oxygen concentration' "dsp"; } "coding"; } "code"; it -> comp then SetComponentValue(it, comp) "value"; } "comp_3150_0"; // Changes and remarks go to note, not to a component. A component needs a // code saying what its value means, and "what the nurse wanted to add" is // not one. row.item as it where (linkId = 'reading/changes') then { it.answer first as a then { a.value as txt -> obs.note as n, n.text = txt "text"; }; } "note"; row.item as it where (linkId = 'reading/remarks') then { it.answer first as a then { a.value as txt -> obs.note as n, n.text = txt "text"; }; } "note2"; } "cpapReading"; } // ───────────────────────────────────────────────────────────────────────────── // Shared scaffolding. Repeated in each map rather than imported: the transform // engine resolves `imports` against whatever StructureMaps happen to be on the // server, and a form that stops extracting because a shared map was not // uploaded is a worse failure than a duplicated group. // Two notes on what the publisher's StructureMap validator says about this file. // Source parameters below are left untyped on purpose. Writing `: Element` makes // the validator compare QuestionnaireResponse.item against the literal 'Element' // and report them as incompatible with each other, which is noise, not a finding. // `evaluate(context, expression)` is flagged as "takes 1 parameter but 2 were // found". Leave it. The FML parser in the same jar refuses the one-argument form // outright -- it wants a parameter, a comma, then the FHIRPath -- so the // publisher is objecting to what its own compiler emits. Two arguments is the // only form that compiles, and it is what the R5 transform engine executes. // ───────────────────────────────────────────────────────────────────────────── group BuildObsBase(source qr : QR, target obs : Observation, target entry) { qr -> obs then SetResponseProvenance(qr, obs) "responseProvenance"; qr -> obs.id = uuid() then SetObservationFullUrl(obs, entry) "idAndFullUrl"; qr -> entry.request as request then { qr -> request.method = 'POST' "requestMethod"; qr -> request.url = 'Observation' "requestUrl"; } "entryRequest"; qr -> obs.status = 'final' "status"; qr.subject as s -> obs.subject = s; qr.encounter as e -> obs.encounter = e; qr.authored as t -> obs.effective = t "effective"; qr.source as src -> obs.performer = src "performerFromSource"; qr where (source.exists().not()) then { qr.author as a -> obs.performer = a "performerFromAuthor"; } "performerFallback"; // A stored response's id already reads "QuestionnaireResponse/<id>", so it is // a relative reference as it stands. The hasValue() guard is what stops an // unsaved response -- one posted straight to $extract rather than saved first // -- from writing "QuestionnaireResponse/null" into the record. qr.id as qid where ($this.hasValue()) -> obs.derivedFrom = create('Reference') as ref, ref.reference = qid "linkQuestionnaireResponse"; } group SetObservationFullUrl(source obs : Observation, target entry) { obs.id as id -> entry.fullUrl = append('https://fhir.slade360.co.ke/fhir/Observation/', id) "assignFullUrl"; } // The two answer shapes a component can carry. Both read the answer through the // untyped `.value` accessor: reading `valueCoding` or `valueQuantity` by its // typed property name fails at transform time on HAPI R5 with "Attempt to read // invalid property ... on QuestionnaireResponse.item.answer". group SetComponentCodedValue(source it, target comp) { it.answer first as a then { a.value as cv -> comp.value = create('CodeableConcept') as cc then { cv -> cc.coding = cv "valueCoding"; cv.display as d -> cc.text = d "valueText"; } "codedValue"; } "componentAnswer"; } group SetComponentValue(source it, target comp) { it.answer first as a then { a.value as v -> comp.value = v "plainValue"; } "componentAnswer"; } group SetExamCategory(source qr : QR, target obs : Observation) { qr -> obs.category as cat then { qr -> cat.coding as coding then { qr -> coding.system = 'http://terminology.hl7.org/CodeSystem/observation-category' "categorySystem"; qr -> coding.code = 'exam' "categoryCode"; qr -> coding.display = 'Exam' "categoryDisplay"; } "categoryCoding"; } "category"; } // ── Provenance and tenancy ─────────────────────────────────────────────────── // Two tags on everything this map creates. The first says which questionnaire // produced it, so a form that reopens mid-admission recalls its own earlier // entries and not another form's. The second copies the tenant tags off the // response, because nothing else on the path puts them there. // The code is the form's document type, not the questionnaire's id: every // environment mints its own ids, and there is only one set of maps, so an id // here would tie the tag to whichever environment stamped it. // ── Provenance and tenancy ─────────────────────────────────────────────────── group SetResponseProvenance(source qr : QR, target r) { qr -> r.meta as m then { qr -> m.tag as t then { qr -> t.system = 'http://slade360edi.com/questionnaire-provenance' "provenanceSystem"; qr -> t.code = 'cpap-monitoring-chart' "provenanceCode"; qr -> t.display = 'CPAP monitoring chart' "provenanceDisplay"; } "provenanceTag"; } "provenanceMeta"; // Every tag the response carries, onto the resource. `meta` is 0..1, so this // lands on the same meta the rule above created rather than a second one. qr.meta as qm then { qm.tag as qt -> r.meta as m, m.tag = qt "copyTag"; } "tenantTags"; }
FHIR
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"dependent": [
{
"name": "SetObservationFullUrl",
"parameter": [
{
"valueId": "obs"
},
{
"valueId": "entry"
}
]
}
]
},
{
"name": "entryRequest",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "entry",
"element": "request",
"variable": "request"
}
],
"rule": [
{
"name": "requestMethod",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "request",
"element": "method",
"transform": "copy",
"parameter": [
{
"valueString": "POST"
}
]
}
]
},
{
"name": "requestUrl",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "request",
"element": "url",
"transform": "copy",
"parameter": [
{
"valueString": "Observation"
}
]
}
]
}
]
},
{
"name": "status",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "obs",
"element": "status",
"transform": "copy",
"parameter": [
{
"valueString": "final"
}
]
}
]
},
{
"name": "subject",
"source": [
{
"context": "qr",
"element": "subject",
"variable": "s"
}
],
"target": [
{
"context": "obs",
"element": "subject",
"transform": "copy",
"parameter": [
{
"valueId": "s"
}
]
}
]
},
{
"name": "encounter",
"source": [
{
"context": "qr",
"element": "encounter",
"variable": "e"
}
],
"target": [
{
"context": "obs",
"element": "encounter",
"transform": "copy",
"parameter": [
{
"valueId": "e"
}
]
}
]
},
{
"name": "effective",
"source": [
{
"context": "qr",
"element": "authored",
"variable": "t"
}
],
"target": [
{
"context": "obs",
"element": "effective",
"transform": "copy",
"parameter": [
{
"valueId": "t"
}
]
}
]
},
{
"name": "performerFromSource",
"source": [
{
"context": "qr",
"element": "source",
"variable": "src"
}
],
"target": [
{
"context": "obs",
"element": "performer",
"transform": "copy",
"parameter": [
{
"valueId": "src"
}
]
}
]
},
{
"name": "performerFallback",
"source": [
{
"context": "qr",
"condition": "source.exists().not()"
}
],
"rule": [
{
"name": "performerFromAuthor",
"source": [
{
"context": "qr",
"element": "author",
"variable": "a"
}
],
"target": [
{
"context": "obs",
"element": "performer",
"transform": "copy",
"parameter": [
{
"valueId": "a"
}
]
}
]
}
]
},
{
"name": "linkQuestionnaireResponse",
"source": [
{
"context": "qr",
"element": "id",
"variable": "qid",
"condition": "$this.hasValue()"
}
],
"target": [
{
"context": "obs",
"element": "derivedFrom",
"variable": "ref",
"transform": "create",
"parameter": [
{
"valueString": "Reference"
}
]
},
{
"context": "ref",
"element": "reference",
"transform": "copy",
"parameter": [
{
"valueId": "qid"
}
]
}
],
"documentation": "A stored response's id already reads \"QuestionnaireResponse/<id>\", so it is\r\na relative reference as it stands. The hasValue() guard is what stops an\r\nunsaved response -- one posted straight to $extract rather than saved first\r\n-- from writing \"QuestionnaireResponse/null\" into the record."
}
]
},
{
"name": "SetObservationFullUrl",
"input": [
{
"name": "obs",
"type": "Observation",
"mode": "source"
},
{
"name": "entry",
"mode": "target"
}
],
"rule": [
{
"name": "assignFullUrl",
"source": [
{
"context": "obs",
"element": "id",
"variable": "id"
}
],
"target": [
{
"context": "entry",
"element": "fullUrl",
"transform": "append",
"parameter": [
{
"valueString": "https://fhir.slade360.co.ke/fhir/Observation/"
},
{
"valueId": "id"
}
]
}
]
}
]
},
{
"name": "SetComponentCodedValue",
"documentation": "The two answer shapes a component can carry. Both read the answer through the\r\nuntyped `.value` accessor: reading `valueCoding` or `valueQuantity` by its\r\ntyped property name fails at transform time on HAPI R5 with \"Attempt to read\r\ninvalid property ... on QuestionnaireResponse.item.answer\".",
"input": [
{
"name": "it",
"mode": "source"
},
{
"name": "comp",
"mode": "target"
}
],
"rule": [
{
"name": "componentAnswer",
"source": [
{
"context": "it",
"element": "answer",
"listMode": "first",
"variable": "a"
}
],
"rule": [
{
"name": "codedValue",
"source": [
{
"context": "a",
"element": "value",
"variable": "cv"
}
],
"target": [
{
"context": "comp",
"element": "value",
"variable": "cc",
"transform": "create",
"parameter": [
{
"valueString": "CodeableConcept"
}
]
}
],
"rule": [
{
"name": "valueCoding",
"source": [
{
"context": "cv"
}
],
"target": [
{
"context": "cc",
"element": "coding",
"transform": "copy",
"parameter": [
{
"valueId": "cv"
}
]
}
]
},
{
"name": "valueText",
"source": [
{
"context": "cv",
"element": "display",
"variable": "d"
}
],
"target": [
{
"context": "cc",
"element": "text",
"transform": "copy",
"parameter": [
{
"valueId": "d"
}
]
}
]
}
]
}
]
}
]
},
{
"name": "SetComponentValue",
"input": [
{
"name": "it",
"mode": "source"
},
{
"name": "comp",
"mode": "target"
}
],
"rule": [
{
"name": "componentAnswer",
"source": [
{
"context": "it",
"element": "answer",
"listMode": "first",
"variable": "a"
}
],
"rule": [
{
"name": "plainValue",
"source": [
{
"context": "a",
"element": "value",
"variable": "v"
}
],
"target": [
{
"context": "comp",
"element": "value",
"transform": "copy",
"parameter": [
{
"valueId": "v"
}
]
}
]
}
]
}
]
},
{
"name": "SetExamCategory",
"input": [
{
"name": "qr",
"type": "QR",
"mode": "source"
},
{
"name": "obs",
"type": "Observation",
"mode": "target"
}
],
"rule": [
{
"name": "category",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "obs",
"element": "category",
"variable": "cat"
}
],
"rule": [
{
"name": "categoryCoding",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "cat",
"element": "coding",
"variable": "coding"
}
],
"rule": [
{
"name": "categorySystem",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "coding",
"element": "system",
"transform": "copy",
"parameter": [
{
"valueString": "http://terminology.hl7.org/CodeSystem/observation-category"
}
]
}
]
},
{
"name": "categoryCode",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "coding",
"element": "code",
"transform": "copy",
"parameter": [
{
"valueString": "exam"
}
]
}
]
},
{
"name": "categoryDisplay",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "coding",
"element": "display",
"transform": "copy",
"parameter": [
{
"valueString": "Exam"
}
]
}
]
}
]
}
]
}
]
},
{
"name": "SetResponseProvenance",
"documentation": "── Provenance and tenancy ───────────────────────────────────────────────────\r\nTwo tags on everything this map creates. The first says which questionnaire\r\nproduced it, so a form that reopens mid-admission recalls its own earlier\r\nentries and not another form's. The second copies the tenant tags off the\r\nresponse, because nothing else on the path puts them there.\r\nThe code is the form's document type, not the questionnaire's id: every\r\nenvironment mints its own ids, and there is only one set of maps, so an id\r\nhere would tie the tag to whichever environment stamped it.\r\n── Provenance and tenancy ───────────────────────────────────────────────────",
"input": [
{
"name": "qr",
"type": "QR",
"mode": "source"
},
{
"name": "r",
"mode": "target"
}
],
"rule": [
{
"name": "provenanceMeta",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "r",
"element": "meta",
"variable": "m"
}
],
"rule": [
{
"name": "provenanceTag",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "m",
"element": "tag",
"variable": "t"
}
],
"rule": [
{
"name": "provenanceSystem",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "t",
"element": "system",
"transform": "copy",
"parameter": [
{
"valueString": "http://slade360edi.com/questionnaire-provenance"
}
]
}
]
},
{
"name": "provenanceCode",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "t",
"element": "code",
"transform": "copy",
"parameter": [
{
"valueString": "cpap-monitoring-chart"
}
]
}
]
},
{
"name": "provenanceDisplay",
"source": [
{
"context": "qr"
}
],
"target": [
{
"context": "t",
"element": "display",
"transform": "copy",
"parameter": [
{
"valueString": "CPAP monitoring chart"
}
]
}
]
}
]
}
]
},
{
"name": "tenantTags",
"source": [
{
"context": "qr",
"element": "meta",
"variable": "qm"
}
],
"rule": [
{
"name": "copyTag",
"source": [
{
"context": "qm",
"element": "tag",
"variable": "qt"
}
],
"target": [
{
"context": "r",
"element": "meta",
"variable": "m"
},
{
"context": "m",
"element": "tag",
"transform": "copy",
"parameter": [
{
"valueId": "qt"
}
]
}
]
}
],
"documentation": "Every tag the response carries, onto the resource. `meta` is 0..1, so this\r\nlands on the same meta the rule above created rather than a second one."
}
]
}
]
}