Contents

module HealthDataStandards
  module Import
    module C32
      class AllergyImporter < SectionImporter
    
        def initialize
          @entry_xpath = "//cda:observation[cda:templateId/@root='2.16.840.1.113883.10.20.1.18']"
          @code_xpath = "./cda:participant/cda:participantRole/cda:playingEntity/cda:code"
          @description_xpath = "./cda:code/cda:originalText/cda:reference[@value] | ./cda:text/cda:reference[@value] "
          @id_map = {}
        end
    
        # Traverses that HITSP C32 document passed in using XPath and creates an Array of Entry
        # objects based on what it finds                          
        # @param [Nokogiri::XML::Document] doc It is expected that the root node of this document
        #        will have the "cda" namespace registered to "urn:hl7-org:v3"
        #        measure definition
        # @return [Array] will be a list of Entry objects
        def create_entries(doc,id_map = {})
          @id_map = id_map
          allergy_list = []
          entry_elements = doc.xpath(@entry_xpath)
          entry_elements.each do |entry_element|
            allergy = Allergy.new
            extract_codes(entry_element, allergy)
            extract_dates(entry_element, allergy)
            extract_description(entry_element, allergy, id_map)

            allergy.reaction = extract_code(entry_element, 
              "./cda:entryRelationship[@typeCode='MFST']/cda:observation[cda:templateId/@root='2.16.840.1.113883.10.20.1.54']/cda:value")

            allergy.severity = extract_code(entry_element, 
              "./cda:entryRelationship[@typeCode='MFST']/cda:observation[cda:templateId/@root='2.16.840.1.113883.10.20.1.54']/cda:entryRelationship[@typeCode='SUBJ']/cda:observation[cda:templateId/@root='2.16.840.1.113883.10.20.1.55']/cda:value")

            allergy_list << allergy
          end
          allergy_list
        end
      end
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
health-data-standards-0.8.1	lib/health-data-standards/import/c32/allergy_importer.rb
health-data-standards-0.8.0	lib/health-data-standards/import/c32/allergy_importer.rb
health-data-standards-0.7.1	lib/health-data-standards/import/c32/allergy_importer.rb
health-data-standards-0.7.0	lib/health-data-standards/import/c32/allergy_importer.rb
health-data-standards-0.5.0	lib/health-data-standards/import/c32/allergy_importer.rb