description: Renal function can be determined by laboratory measurement of serum creatinine, from which the estimated glomerular (eGFR_CKD_EPI) filtration rate can be calculated. package_name: ch.fhir.ig.ch-lab-report derivation: constraint name: ChLabObservation_eGFR_CKD_EPI_female type: Observation elements: code: short: eGFR_CKD_EPI mustSupport: true pattern: type: CodeableConcept value: coding: - {code: 50044-7, system: 'http://loinc.org', display: 'Glomerular filtration rate/1.73 sq M.predicted among females [Volume Rate/Area] in Serum, Plasma or Blood by Creatinine-based formula (MDRD)'} index: 0 referenceRange: array: true min: 1 max: 3 index: 1 slicing: rules: open ordered: false description: Reference range by age discriminator: - {path: age.low.value, type: value} min: 1 max: 3 slices: child: match: age: low: {value: 0} schema: mustSupport: true index: 2 elements: low: elements: value: pattern: {type: Decimal, value: 90} index: 3 unit: pattern: {type: String, value: mL/min} index: 4 age: elements: low: elements: value: pattern: {type: Decimal, value: 0} index: 5 unit: pattern: {type: String, value: a} index: 6 required: [value] high: elements: value: pattern: {type: Decimal, value: 30} index: 7 unit: pattern: {type: String, value: a} index: 8 text: pattern: {type: String, value: Die Formel ist nur ab 18 Jahre validiert.} index: 9 youth: match: age: low: {value: 18} schema: mustSupport: true index: 10 elements: low: elements: value: pattern: {type: Decimal, value: 90} index: 11 unit: pattern: {type: String, value: mL/min} index: 12 age: elements: low: elements: value: pattern: {type: Decimal, value: 18} index: 13 unit: pattern: {type: String, value: a} index: 14 required: [value] high: elements: value: pattern: {type: Decimal, value: 30} index: 15 unit: pattern: {type: String, value: a} index: 16 text: pattern: {type: String, value: Die Formel ist ab 18 bis 93 Jahre validiert.} index: 17 adult: match: age: low: {value: 31} schema: mustSupport: true index: 18 elements: low: elements: value: pattern: {type: Decimal, value: 60} index: 19 unit: pattern: {type: String, value: mL/min} index: 20 age: elements: low: elements: value: pattern: {type: Decimal, value: 31} index: 21 unit: pattern: {type: String, value: a} index: 22 required: [value] high: elements: value: pattern: {type: Decimal, value: 100} index: 23 unit: pattern: {type: String, value: a} index: 24 text: pattern: {type: String, value: Die Formel ist nur bis 93 Jahre validiert.} index: 25 component: mustSupport: true array: true min: 2 max: 2 index: 26 slicing: rules: closed ordered: false description: '2 possibilities: black - non-black' discriminator: - {path: code, type: value} min: 2 max: 2 slices: blacks: match: code: coding: - {code: 88293-6, system: 'http://loinc.org', display: 'Glomerular filtration rate/1.73 sq M.predicted among blacks [Volume Rate/Area] in Serum, Plasma or Blood by Creatinine-based formula (CKD-EPI)'} schema: short: eGFR_CKD_EPI among blacks mustSupport: true _required: true index: 27 extensions: value-r5: {url: null, index: 28} elements: extension: index: 28 slicing: slices: value-r5: match: {} schema: {index: 28} code: short: eGFR_CKD_EPI among blacks code pattern: type: CodeableConcept value: coding: - {code: 88293-6, system: 'http://loinc.org', display: 'Glomerular filtration rate/1.73 sq M.predicted among blacks [Volume Rate/Area] in Serum, Plasma or Blood by Creatinine-based formula (CKD-EPI)'} index: 29 value: short: Lab Result Component Value mustSupport: true choices: [valueQuantity] index: 31 slicing: slices: valueQuantity: match: {} schema: short: Lab Result Component Value mustSupport: true choices: [valueQuantity] index: 31 valueQuantity: type: Quantity short: Lab Result Component Value mustSupport: true choiceOf: value index: 32 slicing: slices: valueQuantity: match: {} schema: {type: Quantity, short: Lab Result Component Value, mustSupport: true, choiceOf: value, index: 32} value[x]: elements: value: {mustSupport: true, index: 33} unit: {mustSupport: true, index: 34} code: pattern: {type: Code, value: mL/min} index: 35 required: [value, unit] non-blacks: match: code: coding: - {code: 88294-4, system: 'http://loinc.org', display: 'Glomerular filtration rate/1.73 sq M.predicted among non-blacks [Volume Rate/Area] in Serum, Plasma or Blood by Creatinine-based formula (CKD-EPI)'} schema: short: eGFR_CKD_EPI among non-blacks mustSupport: true _required: true index: 36 extensions: value-r5: {url: null, index: 37} elements: extension: index: 37 slicing: slices: value-r5: match: {} schema: {index: 37} code: short: eGFR_CKD_EPI among non-blacks code pattern: type: CodeableConcept value: coding: - {code: 88294-4, system: 'http://loinc.org', display: 'Glomerular filtration rate/1.73 sq M.predicted among non-blacks [Volume Rate/Area] in Serum, Plasma or Blood by Creatinine-based formula (CKD-EPI)'} index: 38 value: short: Lab Result Component Value mustSupport: true choices: [valueQuantity] index: 40 slicing: slices: valueQuantity: match: {} schema: short: Lab Result Component Value mustSupport: true choices: [valueQuantity] index: 40 valueQuantity: type: Quantity short: Lab Result Component Value mustSupport: true choiceOf: value index: 41 slicing: slices: valueQuantity: match: {} schema: {type: Quantity, short: Lab Result Component Value, mustSupport: true, choiceOf: value, index: 41} value[x]: elements: value: {mustSupport: true, index: 42} unit: {mustSupport: true, index: 43} code: pattern: {type: Code, value: mL/min} index: 44 required: [value, unit] package_version: 1.0.0-ballot class: profile kind: resource url: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ch-lab-observation-egfr-female base: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ChLab-observation-single-test version: 1.0.0-ballot required: [referenceRange]