description: This profile constrains the ChLabObservationSingleTest profile for the purpose of laboratory platelet count. package_name: ch.fhir.ig.ch-lab-report derivation: constraint name: ChLabPlateletCount type: Observation elements: category: pattern: type: CodeableConcept value: coding: - {code: 18723-7, system: 'http://loinc.org'} index: 0 slicing: slices: studyType: match: {} schema: pattern: type: CodeableConcept value: coding: - {code: 18723-7, system: 'http://loinc.org'} index: 0 specialty: match: {} schema: pattern: type: CodeableConcept value: coding: - {code: '394916005', system: 'http://snomed.info/sct'} index: 1 code: short: Platelets Auto (Bld) [#/Vol] pattern: type: CodeableConcept value: coding: - {code: 777-3, system: 'http://loinc.org'} index: 2 method: pattern: type: CodeableConcept value: coding: - {code: '702659008', system: 'http://snomed.info/sct'} index: 3 specimen: pattern: type: Reference value: {reference: Specimen/BloodCBC} index: 4 package_version: 1.0.0 class: profile kind: resource url: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ch-lab-observation-results-platelets base: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ChLab-observation-single-test version: 1.0.0