using System;

using Hl7.Fhir.Model;

namespace fic_allergy

{

    class Program

    {

        static void Main(string[] args)

        {

            string PatientId = "43";

            string AllergyList = GetPatientAllergies(PatientId);

            Console.WriteLine(AllergyList);

        }

​

        public static string GetPatientAllergies(string PatientId)

​

        {

            string FHIR_EndPoint = "http://fhirserver.hl7fundamentals.org/fhir";

​

            var client = new Hl7.Fhir.Rest.FhirClient(FHIR_EndPoint);

            var p = new Hl7.Fhir.Rest.SearchParams();

            p.Add("patient", PatientId);

            var results = client.Search<AllergyIntolerance>(p);

            string output = "";

            while (results != null)

            {

                if (results.Total == 0) output = "No allergies found";

​

                foreach (var entry in results.Entry)

                {

                    var Alrgy = (AllergyIntolerance)entry.Resource;

                    string Content = Alrgy.Code.Coding[0].Display

                        + " / " + Alrgy.VerificationStatus.Coding[0].Code

                        + " (" + Alrgy.ClinicalStatus.Coding[0].Code + ")";

                    output = output + Content; //+ char(13) + char(10);   

                }

                 // get the next page of results

                results = client.Continue(results);

            }

            return output;

        }

    }

}

​

​