description: Defines observations specific to continuous glucose monitoring (CGM), capturing glucose levels over time to support ongoing clinical and patient monitoring. package_name: navify.fhir.r5.rdc derivation: constraint name: RdcObservationCGM type: Observation elements: category: {index: 7} referenceRange: {index: 35} hasMember: {index: 36} value[x]: extensions: CGMFlags: {url: 'https://roche.com/fhir/iop/StructureDefinition/ext-CGMFlags', type: Extension, isModifier: false, index: 21} SampledDataTimestamps: {url: 'https://roche.com/fhir/iop/StructureDefinition/ext-SampledDataTimestamps', type: Extension, isModifier: false, index: 22} elements: extension: type: Extension isModifier: false url: https://roche.com/fhir/iop/StructureDefinition/ext-CGMFlags index: 21 slicing: slices: CGMFlags: match: {} schema: {type: Extension, isModifier: false, url: 'https://roche.com/fhir/iop/StructureDefinition/ext-CGMFlags', index: 21} SampledDataTimestamps: match: {} schema: {type: Extension, isModifier: false, url: 'https://roche.com/fhir/iop/StructureDefinition/ext-SampledDataTimestamps', index: 22} factor: {index: 23} lowerLimit: {index: 24} upperLimit: {index: 25} codeMap: {index: 26} instantiates: choices: [] index: 3 derivedFrom: {index: 37} interpretation: {index: 28} encounter: {index: 11} method: {index: 32} specimen: {index: 33} value: choices: [valueSampledData] index: 19 component: elements: code: binding: {strength: example, valueSet: 'https://roche.com/fhir/iop/ValueSet/observation-codes'} index: 38 note: {index: 29} extension: type: Extension url: https://roche.com/fhir/iop/StructureDefinition/ext-CalibrationStatus index: 0 slicing: slices: calibrationStatus: match: {} schema: {type: Extension, url: 'https://roche.com/fhir/iop/StructureDefinition/ext-CalibrationStatus', index: 0} valueSampledData: {type: SampledData, choiceOf: value, index: 20} effectiveDateTime: {type: dateTime, choiceOf: effective, index: 14} effective: choices: [effectiveDateTime, effectivePeriod] index: 13 code: binding: {strength: required, valueSet: 'https://roche.com/fhir/iop/ValueSet/observation-codes'} pattern: type: CodeableConcept value: coding: - {code: '434910001', system: 'http://snomed.info/sct'} type: CodeableConcept index: 8 identifier: {index: 1} bodySite: {index: 30} focus: {index: 10} issued: {index: 16} device: type: Reference refers: ['https://roche.com/fhir/iop/StructureDefinition/rdc-Device-Instance'] index: 34 basedOn: {index: 4} partOf: {index: 6} bodyStructure: {index: 31} triggeredBy: {index: 5} subject: type: Reference refers: ['https://roche.com/fhir/iop/StructureDefinition/rdc-Patient'] index: 9 performer: {index: 17} dataAbsentReason: {index: 27} effectivePeriod: {type: Period, choiceOf: effective, index: 15} package_version: 1.1.0 extensions: calibrationStatus: {url: 'https://roche.com/fhir/iop/StructureDefinition/ext-CalibrationStatus', type: Extension, index: 0} class: profile kind: resource url: https://roche.com/fhir/iop/StructureDefinition/rdc-Observation-CGM base: http://hl7.org/fhir/StructureDefinition/Observation version: null