bluebutton/_site/lib/parsers/ccda/immunizations.js

BlueButton.js helps developers navigate complex health data with ease.

/*
 * Parser for the CCDA immunizations section
 */

Parsers.CCDA.immunizations = function (ccda) {
  
  var parseDate = Documents.parseDate;
  var parseName = Documents.parseName;
  var parseAddress = Documents.parseAddress;
  var administeredData = [], declinedData = [], el, product;
  
  var immunizations = ccda.section('immunizations');
  
  immunizations.entries().each(function(entry) {
    
    // date
    el = entry.tag('effectiveTime');
    var date = parseDate(el.attr('value'));

    // if 'declined' is true, this is a record that this vaccine WASN'T administered
    el = entry.tag('substanceAdministration');
    var declined = el.boolAttr('negationInd');

    // product
    product = entry.template('2.16.840.1.113883.10.20.22.4.54');
    el = product.tag('code');
    var product_name = el.attr('displayName'),
        product_code = el.attr('code'),
        product_code_system = el.attr('codeSystem'),
        product_code_system_name = el.attr('codeSystemName');

    // translation
    el = product.tag('translation');
    var translation_name = el.attr('displayName'),
        translation_code = el.attr('code'),
        translation_code_system = el.attr('codeSystem'),
        translation_code_system_name = el.attr('codeSystemName');

    // misc product details
    el = product.tag('lotNumberText');
    var lot_number = el.val();

    el = product.tag('manufacturerOrganization');
    var manufacturer_name = el.tag('name').val();
    
    // route
    el = entry.tag('routeCode');
    var route_name = el.attr('displayName'),
        route_code = el.attr('code'),
        route_code_system = el.attr('codeSystem'),
        route_code_system_name = el.attr('codeSystemName');
    
    // instructions
    el = entry.template('2.16.840.1.113883.10.20.22.4.20');
    var instructions_text = Core.stripWhitespace(el.tag('text').val());
    el = el.tag('code');
    var education_name = el.attr('displayName'),
        education_code = el.attr('code'),
        education_code_system = el.attr('codeSystem');

    // dose
    el = entry.tag('doseQuantity');
    var dose_value = el.attr('value'),
        dose_unit = el.attr('unit');
    
    var data = (declined) ? declinedData : administeredData;
    data.push({
      date: date,
      product: {
        name: product_name,
        code: product_code,
        code_system: product_code_system,
        code_system_name: product_code_system_name,
        translation: {
          name: translation_name,
          code: translation_code,
          code_system: translation_code_system,
          code_system_name: translation_code_system_name
        },
        lot_number: lot_number,
        manufacturer_name: manufacturer_name
      },
      dose_quantity: {
        value: dose_value,
        unit: dose_unit
      },
      route: {
        name: route_name,
        code: route_code,
        code_system: route_code_system,
        code_system_name: route_code_system_name
      },
      instructions: instructions_text,
      education_type: {
        name: education_name,
        code: education_code,
        code_system: education_code_system
      }
    });
  });
  
  return {
    administered: administeredData,
    declined: declinedData
  };
};