curl -v -H "accept: application/fhir+xml" -X GET "http://fhirserver/Encounter/?_id=Encounter-Read-In-Progress-Example" 

{
  "locationCol": 1653,
  "severity": "INFORMATION",
  "locationString": "Bundle.entry[0].resource/*Encounter/Encounter-Read-In-Progress-Example*/.diagnosis[0].use",
  "messageId": "Terminology_TX_NoValid_3_CC",
  "locationLine": 2,
  "message": "None of the codings provided are in the value set 'DiagnosisRole' (http://hl7.org/fhir/ValueSet/diagnosis-role|4.0.1), and a coding is recommended to come from this value set) (codes = http://fhir.de/CodeSystem/KontaktDiagnoseProzedur#treatment-diagnosis)"
}

{
  "locationCol": 1868,
  "severity": "INFORMATION",
  "locationString": "Bundle.entry[0].resource/*Encounter/Encounter-Read-In-Progress-Example*/.hospitalization.admitSource",
  "messageId": "Terminology_TX_NoValid_3_CC",
  "locationLine": 2,
  "message": "None of the codings provided are in the value set 'Admit source' (http://hl7.org/fhir/ValueSet/encounter-admit-source|4.0.1), and a coding is recommended to come from this value set) (codes = http://fhir.de/CodeSystem/dgkev/Aufnahmeanlass#E)"
}

{
  "locationCol": 296,
  "severity": "WARNING",
  "locationString": "Bundle.entry[0].resource/*Encounter/Encounter-Read-In-Progress-Example*/.meta.profile[0]",
  "messageId": "Validation_VAL_Profile_Unknown",
  "locationLine": 2,
  "message": "Profile reference 'https://gematik.de/fhir/isik/StructureDefinition/ISiKKontaktGesundheitseinrichtung' has not been checked because it is unknown"
}

{
  "severity": "WARNING",
  "messageId": "REFV_WARN_PASSED_PROFILE_DIFFERS_FROM_META_PROFILE",
  "message": "Resource meta.profile differs from the passed profile for validation: meta.profile=[]; passed=https://hl7.org/fhir/StructureDefinition/Bundle"
}

{"empty": false}