This is a HL7 FHIR server, and as you appear to be accessing this page from a web browser you are seeing a HTML version of the requested resource(s). You can also access this URL from a FHIR client as a ReSTful API call. For more details please see the HL7 FHIR specification.
<?xml version="1.0" encoding="UTF-8" standalone="no"?><ValueSet xmlns="">
   <id value="CareConnect-AllergyVerificationStatus-1"/>
   <extension url="">
         <reference value=""/>
   <extension url="">
      <valueUri value=""/>
   <extension url="">
      <valueCode value="pc"/>
   <extension url="">
      <valueInteger value="3"/>
   <extension url="">
      <valueString value="Informative"/>
   <url value=""/>
      <system value="urn:ietf:rfc:3986"/>
      <value value="urn:oid:2.16.840.1.113883.4.642.3.115"/>
   <version value="3.0.1"/>
   <name value="AllergyIntoleranceVerificationStatus"/>
   <status value="active"/>
   <date value="2017-04-19T07:44:47+10:00"/>
   <publisher value="HL7 (FHIR Project)"/>
         <system value="url"/>
         <value value=""/>
   <description value="Assertion about certainty associated with a propensity, or potential risk, of a reaction to the identified substance."/>
   <copyright value="Copyright © 2011+"/>
         <system value=""/>
            <code value="unconfirmed"/>
            <display value="Unconfirmed"/>
            <code value="confirmed"/>
            <display value="Confirmed"/>