Union of http://terminology.hl7.org/CodeSystem/ex-diagnosis-on-admission and http://terminology.hl7.org/CodeSystem/ex-diagnosis-on-admission

This is the CodeSystem that contains all the codes in Example Diagnosis on Admission Codes (http://terminology.hl7.org/CodeSystem/ex-diagnosis-on-admission) and Example Diagnosis on Admission Codes (http://terminology.hl7.org/CodeSystem/ex-diagnosis-on-admission). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 5127f8b7-6ff3-42d1-85bd-471f7469a43a-947

This code system http://hl7.org/fhir/comparison/CodeSystem/5127f8b7-6ff3-42d1-85bd-471f7469a43a-947 defines codes, but no codes are represented here

CodeDisplayDefinition
yes YesDiagnosis was present at time of inpatient admission.
no NoDiagnosis was not present at time of inpatient admission.
unknown UnknownNot known if condition was present at the time of inpatient admission.